Tag Archives: china coupling

China OEM Disc Coupling Manufacturers Flexible Propeller Shaft Coupling

Product Description

Hot Sale Flexible Disc Coupling-Sleeve Double Disc Type /DC-S2 Series/Spline Coupling /Shaft Coupling /Shaft Sleeve

Product Description

Mighty can produce full series of Tyre Coupling;The purpose of the coupling is to connect 2 shafts of different mechanisms (the driving axis and the driven axis) to rotate together and transfer torque.

DC-34-S2:OD 34 mm  Disc Coupling-Sleeve Double Disc Type,Multi-disc with sleeve type coupling

Material: Aluminum or  steel;
ore type: Finished Bore/Stock Bore;
Features: High torque capacity and anticlockwise rotational characteristics

                Stainless steel disc absorbs angular and shaft misalignments

                For servomotor,stepmotor connect

                Clamp type
 

Single Disk type Double Disk type
Disc Coupling-Tubular Single Disc type(DC-T1 Series) Disc Coupling-Tubular Single Disc type(DC-T2 Series)

 

 

Single Disk type Double Disk type
Disc Coupling-Sleeve Single Disc Type(DC-S1 Series) Disc Coupling-Sleeve Single Disc Type(DC-S2 Series)

Single Disk type Double Disk type
Disc Coupling-Sleeve Single Disc Type(DC-S1 Series) Disc Coupling-Sleeve Single Disc Type(DC-S2 Series)

 

Other Type of Couplings:

 

 

Company Information

MIGHTY, a brand belongs to SCMC Corp. which is a wholly state-owned enterprise established in 1980, is specialized in producing precision mechanical power transmission products. After years of hard work, Mighty has already got the certificate of ISO9001:2000 and become a holding company of 3 manufacturing factories.
 

OUR COMPANY

ZheJiang Mighty Machinery Co., Ltd. specializes in offering best service and the most competitive price for our customer.

After over 10 years’ hard work, MIGHTY’s business has grown rapidly and become an important partner for oversea clients in the industrial field and become a holding company for 3 manufacturing factories.

MIGHTY’s products have obtained reputation of domestic and oversea customers with taking advantage of technology, management, quality and very competitive price.

 

Your satisfaction is the biggest motivation for our work, choose us to get high quality products and best service.

 

 

Main Products:

Timing belt pulleys, timing bars, timing belt clamping plates.

Locking elements and shrink discs: could be alternative for Ringfeder, Sati, Chiaravalli, BEA, KBK, Tollok, etc.

V belt pulleys and taper lock bush.

Sprockets, idler, and plate wheels.

Gears and racks: spur gear, helical gear, bevel gear, worm gear, gear rack.

Shaft couplings: miniature coupling, curved tooth coupling, chain coupling, HRC coupling, normex coupling, FCL coupling, GE coupling, rigid and flexible coupling, jaw coupling, disc coupling, multi-beam coupling, universal joint, torque limiter, shaft collars.

Forging, Casting, Stamping Parts.
Other customized power transmission products and Machining Parts (OEM).

Application

 

1. Engineering: machine tools, foundry equipments, conveyors, compressors, painting systems, etc.

2. Pharmaceuticals& Food Processing: pulp mill blowers, conveyor in warehouse, agitators, grain, boiler, bakery machine, labeling machine, robots, etc.

3. Agriculture Industries: cultivator, rice winnower tractor, harvester, rice planter, farm equipment, etc.

4. Texitile Mills: looms, spinning, wrappers, high-speed auto looms, processing machine, twister, carding machine, ruler calendar machine, high speed winder, etc.

5. Printing Machinery: newspaper press, rotary machine, screen printer machine, linotype machine offset printer, etc.

6. Paper Industries: chipper roll grinder, cut off saw, edgers, flotation cell and chips saws, etc.

7. Building Construction Machinery: buffers, elevator floor polisher mixing machine, vibrator, hoists, crusher, etc.

8. Office Equipments: typewriter, plotters, camera, money drive, money sorting machine, data storage equipment, etc.

9. Glass and Plastic Industries: conveyor, carton sealers, grinders, creeper paper manufacturing machine, lintec backing, etc.

10. Home Appliances: vacuum cleaner, laundry machine, icecream machine, sewing machine, kitchen equipments, etc.

 

FAQ

Q: Are you trading company or manufacturer ?
A: We are factory.

Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.

Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.

Q: What is your terms of payment ?
A: Payment=1000USD, 30% T/T in advance ,balance before shippment.
If you have another question, pls feel free to contact us as below:

 

Contacts

We warmly welcome friends from domestic and abroad come to us for business negotiation and cooperation for mutual benefit. To supply customers excellent quality products with good price and punctual delivery time is our responsibility.

Any question or inquiry, pls contact us without hesitate, we assure any of your inquiry will get our prompt attention and reply!

 

disc coupling

Materials Used in Manufacturing Disc Couplings

Disc couplings are typically constructed using a combination of high-quality materials that contribute to their durability, strength, and performance. Some commonly used materials include:

  • Stainless Steel: Stainless steel is a popular choice due to its corrosion resistance and high strength-to-weight ratio. It ensures longevity and can withstand harsh environments.
  • Aluminum: Aluminum is known for its lightweight properties and is often used in applications where weight reduction is essential while maintaining reasonable strength.
  • Steel: Carbon or alloy steel is chosen for its robustness and ability to handle high torque loads and harsh operating conditions.
  • Bronze or Brass: These materials can be used in specific applications where electrical conductivity is a concern, or when friction and wear properties are important.

The selection of materials depends on factors such as the coupling’s intended application, torque requirements, environmental conditions, and the desired balance between strength, weight, and resistance to wear and corrosion.

disc coupling

Unique Construction of Disc Couplings for Vibration Dampening and Resonance Control

The distinctive construction of disc couplings plays a vital role in their ability to dampen vibrations and control resonance:

  • Flexible Disc Packs: Disc couplings consist of multiple thin metal discs stacked alternately. These discs are connected to the hub and spacer, creating a flexible structure that can absorb and dissipate vibrations.
  • Radial Compliance: The flexible discs allow for radial compliance, enabling the coupling to absorb misalignments and shocks, which helps prevent the transmission of vibrations.
  • Torsional Flexibility: The flexible nature of the disc packs provides torsional flexibility, allowing the coupling to absorb torsional vibrations and shocks that may arise from the machinery.
  • Resonance Damping: The design of disc couplings helps dampen resonant frequencies. The unique construction disperses energy across the flexible elements, reducing the risk of resonant vibration buildup.
  • Material Selection: The choice of materials for the discs plays a role in controlling resonance. The right combination of material properties can help mitigate the effects of resonance.

By efficiently absorbing and dissipating vibrations and controlling resonance, disc couplings contribute to smoother operation, reduced wear and tear on machinery components, and enhanced overall system performance.

disc coupling

Types of Disc Couplings for Specific Uses

Disc couplings come in various designs and configurations, each tailored to specific use cases and requirements. Here are some different types of disc couplings designed for specific applications:

  • Single Disc Couplings: These couplings consist of two hubs and a single flexible disc element. They are suitable for applications where angular misalignment compensation is the primary requirement.
  • Double Disc Couplings: These couplings include two flexible disc elements and three hubs. They provide higher torsional flexibility and axial movement absorption, making them suitable for more demanding applications.
  • Spacer Disc Couplings: Spacer disc couplings incorporate a spacer between the flexible disc elements. This design allows for greater axial movement and misalignment compensation.
  • Close-Coupled Disc Couplings: These couplings have a compact design with minimal spacing between the hubs and discs. They are commonly used in applications where space constraints are a concern.
  • Floating Shaft Disc Couplings: Floating shaft disc couplings are designed for applications where there is a need to connect shafts that are not in the same plane. They can accommodate both angular and axial misalignment.
  • High-Speed Disc Couplings: These couplings are specifically engineered to handle high rotational speeds while maintaining precise alignment and minimal vibration.
  • Heavy-Duty Disc Couplings: Heavy-duty disc couplings are built to transmit extremely high levels of torque and are often used in demanding industrial applications.
  • Customizable Disc Couplings: Some manufacturers offer customizable disc couplings that can be tailored to specific application requirements, such as material selection, size, and design parameters.

The choice of disc coupling type depends on factors such as the level of misalignment, torque transmission requirements, space constraints, and environmental conditions. Selecting the appropriate type ensures optimal performance and reliability in various machinery applications.

China OEM Disc Coupling Manufacturers Flexible Propeller Shaft Coupling  China OEM Disc Coupling Manufacturers Flexible Propeller Shaft Coupling
editor by CX 2023-12-14

China OEM High Quality Air Compressor Spare Parts Coupling Element 5.3177.0 for Kaeser Compressor 5.3177e1 5.3177.1 E10

Product Description

High Quality Air Compressor Spare Parts Coupling Element 5.3177.0 for Kaeser Compressor 5.3177E1 5.3177.1 E10 

Product Description

 

The composition of the coupling parts:

There are 2 types of couplings for screw air compressors: Rubber pin type and flexible (diaphragm type) couplings.

1.The rubber pin coupling consists of 2 half couplings, flywheel, transmission core and screws. The rubber drive core of this type of coupling is easy to wear and wear, which will cause the machine to move unevenly, which will have adverse effects on the rotor, bearings, and shaft seals. At present, it is gradually replaced by flexible couplings.

2.The flexible coupling is composed of 2 half couplings, connecting barrels, transmission gaskets and screws. The 2 half-couplings of this coupling are tested for dynamic balance, and the relative positions are fixed during installation.

 

 

The coupling is an important part that transmits the power of the motor to the active rotation of the compressor. Due to the high speed of the screw air compressor, the requirements for the installation accuracy (coaxiality) of the coupling are also high. Improper installation of the coupling will not only cause the machine to run erratically and increase noise, but also cause abnormal damage to the rotor, main bearing, thrust bearing and shaft seal, resulting in overhaul of the main engine.

Coupling Features

  • Good starting performance can change the load starting of the motor to no-load starting, so as to realize the soft starting of the working machine, reduce the current during starting and reduce the starting energy consumption.
  • Save electric energy and equipment cost, which can solve the unreasonable situation of the big horse-drawn trolley with load starting machine, save the motor capacity, improve the power factor and motor efficiency of the grid, reduce reactive power loss, save electric energy, and simplify the motor starting equipment and reduce equipment cost.
  • The transferred torque can be adjusted, easy to achieve overload protection.When the working machine is overloaded or jammed, the steel ball type safety coupling will slip automatically, which can prevent the motor from burning out and other parts damage.
  • Except for the starting and braking stages, the main and driven parts of the steel ball safety coupling have no speed difference, no friction loss and high transmission efficiency.
  • Nonmetallic elastic elements are adopted in the steel ball type safety coupling, which can compensate the offset of the linked 2 axes within a certain range, with a small amount of buffering and damping.
  • Reliable operation, stable performance, convenient installation, disassembly and maintenance.

Determining the right type of flexible coupling starts with the following analysis of the application:

  • Prime mover type (motor, diesel engine, etc.) of the drive side of the system
  • Actual horsepower and/or torque requirements, not prime motor-rated horsepower (note the range of variable torque caused by periodic or unstable loads, worst-case starting loads,
  • Drive system inertia related to prime mover inertia (data available from equipment supplier)
  • vibration, linear and torsional vibration (experienced supplier or consultant can help you evaluate vibration) shaft-to-shaft deviation;
  • Note the degree of Angle offset (axis is not parallel) and parallel offset (distance between axis centers when axes are parallel but not aligned);
  • Also note whether the drive/driven units share the same floor axial (inside/outside) axial motion,
  • whether they share distance (the distance between the drive end and the driven axis), and any other space-related restrictions.

 

Detailed Photos

 

 

We are able to offer a wide range of special couplings, which are based on your samples or drawings.

Due to the refinement of production operations and the high-end technology, we have been able to produce high-quality Rubber Coupling, Trolley Wheel, Flexible Coupling, Flexible Rubber Coupling, Industrial Rubber Coupling, Star Coupling, CHINAMFG type Coupling Spare and other products, widely used in industrial applications.

 

All these products are tested and checked against the set quality parameters before being sent to the customer. This shows that we are willing to provide our customers with updated and perfect product lines to meet their different needs. In addition, we also provide customized solutions to provide customers with a wide range of space, so that they can choose their favorite products according to their needs and requirements.
 

More Products for Choose

Coupling Coupling
1613949900 1613982300
1614873800 1613958500
165710800 165710800
162357100 1619646700
1615678500 165714700
1615682500 1604076100
1613982300 1626510900

Tips:
 
This is only a part of the part numbers, many oil separator filters P/N are not listed, in addition there are replacements filters for many other air compressor brands.

 

Company Profile

       Now over 100,000 quality filters including compressed air filters, Hydraulic Filters and complete filter housing assemblies at wholesale discounts. We offer OEM products as well as high quality replacements, engineered to precise OEM specifications and guaranteed to match the exact form, fit and function as the original equipment. Our company is committed to continuous innovation and further improvement to create, improve the efficiency and productivity of excellence, to achieve the highest level of reliability and performance.

Company team

Our company is located in the beautiful coastal city of HangZhou,is a professional manufacturer of air compressor filters and separators,

We repect the enterprise spirit of “steadyfastness,hard work and responsibility” and creat a good corporate environment based on the operation principle of “Integrity,reliability and innovation”.

 

 

With the survival idea of “perfect technology, good service and excellent quality”,
We always adhere to customer first,
aim at serving customer sincerely and touching customer with our service.

We plunge ourselves to provide clear and sustainable comprssed air to our customer,
meanwhile constantly pursue to save the sunning cost of compressor system for them.
Profession, concentration, focus is our corporate philosophy.

 

 

FAQ

 Q1. What is your product range?
A: Our products cover replacement hydraulic filter, Air compressor filters, Compressed air filter element, Heavy truck insert filters, Vacuum pump filters, and Some spare parts for compressors.

Q2. Is customized filter or OEM available? 
A: Yes, just offer your required specifications and drawings.

Q3. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build new molds, but open new mold fee charged, when you place bulk order, the mold fee can return back.

Q4. What’s your terms of packing?
A: Generally, we pack our goods in neutral boxes,outside brown carton cases. If you have legally registered patent, we can pack the goods in your branded boxes after getting your authorization letters.

Q5. What’s the terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We’ll show you the photos of the products and packages before you pay the balancing.

Q6. What’s your terms of delivery?
A: (1)FOB (2)CFR (3)CIF.

Q7. How about your delivery time?
A: Generally, under MOQ quantity take 5-7 working days after receiving your advance payment. The specific delivery time depends on models and the quantity of your order.
 

elastomeric coupling

Potential Causes of Failure in Elastomeric Couplings and Preventive Measures

Elastomeric couplings are generally robust and reliable components, but certain factors can lead to potential failures. Understanding these causes can help implement preventive measures to ensure optimal performance and longevity. Here are some common causes of failure and their prevention:

1. Overloading:

Exceeding the specified torque or power ratings of the elastomeric coupling can lead to premature failure. Preventive measures include selecting a coupling with appropriate torque and power ratings for the application and avoiding sudden load increases or over-torque conditions.

2. Misalignment:

Misalignment between the shafts connected by the coupling can result in increased stresses on the elastomeric element, leading to wear and failure. Regular alignment checks and adjustments can help prevent excessive misalignment.

3. Environmental Factors:

Harsh environmental conditions, such as extreme temperatures, chemicals, moisture, or corrosive substances, can degrade the elastomeric material over time. Choosing couplings with suitable materials and environmental protection can mitigate these effects.

4. Fatigue and Ageing:

Elastomeric materials can experience fatigue and aging due to cyclic loading and prolonged use. Regular inspection and replacement of couplings based on manufacturer recommendations can prevent failures caused by material deterioration.

5. Improper Installation:

Incorrect installation can lead to stress concentrations or uneven loads on the coupling, causing premature failure. Proper installation procedures, including following manufacturer guidelines, using appropriate tools, and ensuring proper shaft alignment, are essential to prevent installation-related issues.

6. Excessive Vibrations:

Excessive vibrations in the machinery can accelerate wear on the elastomeric coupling. Addressing the root causes of excessive vibrations, such as unbalanced loads or misaligned components, can help extend the coupling’s lifespan.

7. Contaminants:

Foreign particles, dirt, or debris can infiltrate the coupling and lead to abrasive wear or reduced flexibility. Regular cleaning and maintenance can prevent these issues.

8. Poor Maintenance:

Lack of routine inspection and maintenance can allow minor issues to escalate into major problems. Implementing a maintenance schedule that includes regular inspections, lubrication, and replacement of worn components can help identify and address potential failures before they occur.

By proactively addressing these potential failure causes, industrial operators can ensure reliable and efficient performance of elastomeric couplings, minimizing downtime, and reducing maintenance costs in the long run.

elastomeric coupling

Safety Considerations When Using Elastomeric Couplings in High-Speed or Heavy-Load Applications

When using elastomeric couplings in high-speed or heavy-load applications, there are several important safety considerations to ensure reliable and safe operation. These considerations help prevent potential hazards and mitigate risks associated with the coupling’s performance under demanding conditions:

1. Coupling Selection:

Choose an elastomeric coupling specifically designed and rated for high-speed and heavy-load applications. Ensure the coupling’s torque and speed ratings exceed the maximum requirements of your application to prevent overloading.

2. Dynamic Balancing:

For high-speed applications, ensure that the coupling and the connected equipment are dynamically balanced. Imbalances can lead to significant vibrations, which may cause premature wear, fatigue, and ultimately failure of the coupling or connected machinery.

3. Misalignment Limits:

Monitor and control misalignment between shafts within the coupling’s allowable limits. Excessive misalignment can cause additional stresses on the elastomeric material and reduce coupling life.

4. Temperature Monitoring:

Monitor the operating temperature of the coupling, especially during high-speed or high-load operations. Elevated temperatures can accelerate elastomer degradation and affect the coupling’s flexibility and damping characteristics.

5. Regular Inspection:

Perform regular visual inspections of the coupling to check for signs of wear, damage, or misalignment. Promptly address any issues to prevent potential safety risks.

6. Avoid Shock Loads:

Avoid subjecting the coupling to sudden shock loads, especially in high-load applications. Sudden shock loads can lead to excessive stress on the elastomer, causing it to fail prematurely.

7. Load Capacity:

Ensure that the coupling’s load capacity matches or exceeds the maximum loads expected in the application. Operating the coupling near its maximum capacity for prolonged periods may decrease its lifespan.

8. Installation Quality:

Ensure that the elastomeric coupling is installed correctly following the manufacturer’s guidelines. Proper installation prevents misalignment and ensures the coupling can handle the anticipated loads and speeds safely.

By carefully considering these safety measures and adhering to manufacturer recommendations, you can use elastomeric couplings effectively and safely in high-speed or heavy-load applications. Regular maintenance, monitoring, and adherence to safety guidelines will help prevent accidents, minimize downtime, and ensure the longevity and reliability of your coupling system.

elastomeric coupling

Advantages of Using Elastomeric Couplings in Industrial Applications

Elastomeric couplings offer several advantages that make them well-suited for various industrial applications. These advantages stem from their flexible design and the use of elastomeric materials like rubber or polyurethane. Below are the key benefits of using elastomeric couplings:

1. Misalignment Compensation:

Elastomeric couplings can tolerate and compensate for angular, parallel, and axial misalignments between connected shafts. This ability to handle misalignment reduces stress on equipment and extends the lifespan of both the coupling and the connected machinery.

2. Vibration and Shock Absorption:

The elastomeric material in the coupling acts as a natural vibration isolator, absorbing shocks and dampening vibrations. This feature is essential for reducing noise, protecting sensitive components, and enhancing the overall smoothness of operation in industrial systems.

3. No Lubrication Required:

Elastomeric couplings do not need regular lubrication, making them low-maintenance solutions for many industrial applications. This reduces the time and effort spent on maintenance tasks and minimizes the risk of contamination or leakage in certain environments.

4. Cost-Effectiveness:

Compared to some other types of couplings, elastomeric couplings are generally more cost-effective. Their simple construction and use of elastomeric materials make them affordable choices for power transmission in various industries.

5. Electrically Insulating:

Elastomeric couplings are electrically insulating, which can be advantageous in applications where electrical isolation is necessary to prevent current flow between shafts or connected equipment.

6. Fail-Safe Design:

In the event of elastomeric material failure, elastomeric couplings have a fail-safe design that allows them to continue transmitting torque, albeit with some reduction in performance. This feature ensures continued operation and prevents sudden catastrophic failures.

7. Easy Installation:

Elastomeric couplings are relatively simple to install, saving time and effort during the setup of industrial machinery.

8. Diverse Industrial Applications:

Elastomeric couplings find use in various industrial applications, including pumps, compressors, conveyor systems, machine tools, blowers, fans, and more.

Due to their ability to handle misalignment, provide vibration dampening, and require minimal maintenance, elastomeric couplings are widely utilized in industrial settings where reliability, efficiency, and cost-effectiveness are critical considerations.

China OEM High Quality Air Compressor Spare Parts Coupling Element 5.3177.0 for Kaeser Compressor 5.3177e1 5.3177.1 E10  China OEM High Quality Air Compressor Spare Parts Coupling Element 5.3177.0 for Kaeser Compressor 5.3177e1 5.3177.1 E10
editor by CX 2023-12-14

China Standard CNC Turning Pure White Gear Coupling / Linear Threaded Boot gear coupling

Product Description

CNC Turning Pure White Gear Coupling / Linear Threaded Boot

Products Type

We can custom shape,size,color material and quantity for plastic gear coupling as your requirment.

Products Specification
1. Various hardness for your choice.
2. Good abrasion, heat and oil resistance.
3. Good anti-aging performance and gas tightness.
4. Ease of bonding to other material.
5. Excellent oxygen and CHINAMFG resistance.
6. Non-flammable,self-extinguish.  

Material PA,PA6,PA66,PP,PE,LDPE,HDPE,UWHDPE,PTFE,POM,ABS,or Custom Compound
(Any custom compound plastic is available)
Size According to samples or drawings
Color Black,white,red,green,transparent or any color according to Pantone colors
Finish High Gloss,Fine Grain,Electroplating,Painting,Printing,Texture etc,or as request
Type Round,square,rectangular,or any nonstandard shape as request
Logo Debossed,embossed,printed logo or as request

Plastic Material Properties

Company Profile
 
Zhongde (ZheJiang ) Machinery Equipment Co.,LTD is a company integrated in design,OEM&ODM plastic&rubber&CNCparts production.We can provide the best products and service at a competitive price.

Main Products

We can provide OEM service,which means producing base on your drawings or samples,also we can design according to its application or customer`s requirments.

Order Operation Flow

We execute each step according to the operation process flow, strictly, seriously and meet the requirements of customers with good quality on time.

For Fast Quotation,Please Inform Below Details
1. Production type
2. Material specification (or let us know the using environmental)
3. Size details? (or provide drawings or samples for refference)
4. Quantity request
5. Prefer color
 

flange coupling

Are There Any Safety Considerations When Using Gear Couplings in Rotating Machinery?

Yes, there are several safety considerations to keep in mind when using gear couplings in rotating machinery:

  • Guarding: It is essential to provide adequate guarding around gear couplings and other rotating parts to prevent accidental contact with moving components. Proper guarding helps protect personnel from potential entanglement, pinch points, or other hazards.
  • Maintenance and Inspection: Regular maintenance and inspection of gear couplings are critical to ensure their safe and reliable operation. This includes checking for signs of wear, lubrication levels, and any abnormalities in the coupling’s performance.
  • Lubrication: Proper lubrication of the gear coupling is essential to reduce friction, wear, and heat generation. Follow the manufacturer’s guidelines for lubrication intervals and use the recommended lubricant type.
  • Temperature Monitoring: In high-speed or high-temperature applications, it is advisable to monitor the temperature of the gear coupling during operation. Excessive heat can indicate issues with lubrication or alignment that need immediate attention.
  • Alignment: Ensure proper alignment of the connected shafts and gear coupling during installation. Misalignment can lead to increased wear, vibration, and premature failure of the coupling.
  • Torque and Speed Limitations: Adhere to the specified torque and speed limitations provided by the gear coupling manufacturer. Operating the coupling beyond its rated capacity can result in failures and safety hazards.
  • Emergency Shutdown: Machinery equipped with gear couplings should have an accessible and effective emergency shutdown mechanism to quickly stop the equipment in case of emergencies.
  • Training: Provide proper training to personnel who work with or around machinery equipped with gear couplings. Training should cover safety protocols, coupling maintenance procedures, and the potential hazards associated with the equipment.
  • Replace Damaged Couplings: If a gear coupling shows signs of damage, excessive wear, or malfunction, it should be replaced promptly to prevent potential accidents or equipment breakdowns.

Following these safety considerations can help ensure the safe and efficient operation of rotating machinery equipped with gear couplings. Regular maintenance, adherence to safety guidelines, and proper training contribute to a safer working environment and prolong the service life of gear couplings and the connected equipment.

China Standard CNC Turning Pure White Gear Coupling / Linear Threaded Boot  gear couplingChina Standard CNC Turning Pure White Gear Coupling / Linear Threaded Boot  gear coupling
editor by CX 2023-12-14

China Standard Clamped Compressio Flexible Rubber Motor Quick Release Spline Fluid Shaft Flange Sleeve Split Threaded Stainless Steel Hydrodynamic Custom Rigid Coupling

Product Description

Clamped compressio Flexible Rubber Motor Quick Release Spline Fluid Shaft flange sleeve split threaded stainless steel Hydrodynamic custom rigid Coupling 

Spline fluid shafts are used in a variety of applications, including:

  • Hydraulic pumps and motors
  • Gearboxes
  • Compressors
  • Turbines
  • Machine tools
  • Robots
  • Material handling equipment
  • Construction equipment
  • Mining equipment
  • Aerospace and defense applications

Spline fluid shafts are characterized by their ability to transmit high torque and power while minimizing vibration and noise. They are also relatively easy to manufacture and install, making them a cost-effective solution for a wide range of applications.

Here are some specific examples of how spline fluid shafts are used in different applications:

  • In hydraulic pumps and motors, spline fluid shafts transmit the power from the motor to the pump. This allows the pump to operate at high speeds and pressures without the risk of damage.
  • In gearboxes, spline fluid shafts transmit the power from the input shaft to the output shaft. This allows the gearbox to change the speed and direction of rotation of the output shaft.
  • In compressors, spline fluid shafts transmit the power from the motor to the compressor. This allows the compressor to operate at high speeds and pressures without the risk of damage.
  • In turbines, spline fluid shafts transmit the power from the rotating shaft to the generator. This allows the turbine to generate electricity at high speeds and pressures.
  • In machine tools, spline fluid shafts transmit the power from the motor to the cutting tool. This allows the cutting tool to operate at high speeds and pressures without the risk of damage.
  • In robots, spline fluid shafts transmit the power from the motor to the actuator. This allows the actuator to move the robot arm at high speeds and with precise control.
  • In material handling equipment, spline fluid shafts transmit the power from the motor to the conveyor belt. This allows the conveyor belt to move materials at high speeds and with precise control.
  • In construction equipment, spline fluid shafts transmit the power from the motor to the hydraulic cylinders. This allows the hydraulic cylinders to lift and move heavy objects at high speeds and with precise control.
  • In mining equipment, spline fluid shafts transmit the power from the motor to the drill bits. This allows the drill bits to penetrate hard rock at high speeds and with precise control.
  • In aerospace and defense applications, spline fluid shafts are used in a variety of components, including jet engines, helicopter rotors, and missile guidance systems.

Spline fluid shafts are a versatile and reliable component that can be used in a wide range of applications. They are characterized by their ability to transmit high torque and power while minimizing vibration and noise. Spline fluid shafts are also relatively easy to manufacture and install, making them a cost-effective solution for a wide range of applications.

fluid coupling

Contribution of Fluid Coupling to the Longevity of Connected Equipment

A fluid coupling plays a crucial role in enhancing the longevity and protecting the connected equipment by providing the following benefits:

  • Shock Load Damping: When the equipment starts or stops, there can be sudden changes in torque, resulting in shock loads. The fluid coupling absorbs and dampens these shock loads, reducing stress and wear on the connected equipment.
  • Torsional Vibration Damping: Torsional vibrations can occur during the operation of the connected equipment, which can be damaging over time. The fluid coupling acts as a torsional damper, reducing these vibrations and preventing potential fatigue failure in the equipment.
  • Overload Protection: In case of sudden overloads or jamming of the connected equipment, the fluid coupling can slip and decouple the load, protecting both the equipment and the driving motor from excessive stress and damage.
  • Smooth Startup: During startup, the fluid coupling allows a gradual increase in torque, enabling a smooth and controlled acceleration of the connected equipment. This eliminates sudden jerks and reduces mechanical stress during the startup phase.
  • Load Distribution: The fluid coupling distributes the load evenly across the connected equipment, minimizing wear and tear on specific components and extending the overall lifespan of the machinery.
  • Reduced Maintenance: By reducing shock loads and vibrations, the fluid coupling helps decrease the frequency of maintenance and repairs required for the connected equipment, resulting in cost savings and improved uptime.
  • Energy Efficiency: The fluid coupling allows for efficient power transmission by reducing losses during startup and load changes. This, in turn, helps in lowering the overall energy consumption of the system and contributes to equipment longevity.
  • Contamination Prevention: The fluid coupling encapsulates the driving and driven components, providing a barrier that helps prevent contaminants such as dust, dirt, and moisture from entering the equipment’s internal components. This protection can extend the life of bearings and other sensitive parts.

Overall, a fluid coupling acts as a protective intermediary between the driving motor and the connected equipment, enhancing the system’s reliability, efficiency, and longevity by mitigating the effects of shocks, vibrations, and overloads.

fluid coupling

Fluid Couplings in High-Temperature Environments

Fluid couplings are versatile power transmission devices commonly used in various industrial applications. However, their suitability for high-temperature environments depends on several factors, including the design, materials, and the specific operating conditions.

Here are some key considerations regarding the use of fluid couplings in high-temperature environments:

  • Fluid Type: The type of fluid used inside the coupling greatly influences its temperature capabilities. Some fluid couplings are designed to handle higher temperatures by using specially formulated high-temperature fluids that can withstand elevated heat levels without degradation.
  • Materials: The materials used in the construction of the fluid coupling play a crucial role in determining its maximum temperature tolerance. High-quality materials with good heat resistance properties are required to ensure reliable performance in high-temperature conditions.
  • Lubrication: Proper lubrication is essential to reduce friction and heat generation within the fluid coupling. In high-temperature environments, ensuring sufficient and appropriate lubrication is crucial to prevent excessive wear and potential damage.
  • Cooling: Some fluid couplings come equipped with cooling systems, such as cooling fins or external cooling circuits, to dissipate excess heat generated during operation. These cooling mechanisms can enhance the coupling’s capacity to handle higher temperatures.
  • Application Considerations: The specific application and load requirements must be taken into account. In some cases, high-temperature conditions may be intermittent or occasional, allowing the fluid coupling to cool down between cycles. However, continuous high-temperature operation may require a more robust and specialized fluid coupling.

It is important to consult with the fluid coupling manufacturer to understand the temperature limitations and performance capabilities of their products. Manufacturers can provide guidance on selecting the appropriate fluid coupling for specific high-temperature applications.

While fluid couplings can be suitable for moderate to high-temperature environments, it is essential to operate them within their specified temperature range to ensure optimal performance and longevity. Extreme temperatures beyond the coupling’s rated limits can lead to accelerated wear, reduced efficiency, and potential damage, ultimately affecting the reliability of the power transmission system.

In summary, fluid couplings can be used in high-temperature environments, provided that the coupling’s design, materials, and lubrication are suitable for the specific application and operating conditions. Regular maintenance and adherence to the manufacturer’s guidelines are essential to ensure reliable performance and durability in such environments.

fluid coupling

Improvement of Starting Performance in Large Machines with Fluid Couplings

Fluid couplings play a crucial role in enhancing the starting performance of large machines, especially those with high inertia loads. Here’s how a fluid coupling achieves this improvement:

  • Smooth Startup: When a machine equipped with a fluid coupling starts, the input shaft begins to rotate, and the impeller starts to churn the fluid inside the coupling. This action creates a hydrodynamic torque transfer between the impeller and the turbine. As the fluid circulates and builds up torque, the output shaft begins to accelerate smoothly without any sudden jolts or shocks.
  • Inertia Compensation: In large machines, the rotating mass and initial resistance to motion can be significant. The fluid coupling’s ability to transmit torque gradually allows it to compensate for the inertia of the driven load. This means that even with heavy loads, the fluid coupling can slowly bring the machine up to its operating speed without subjecting the mechanical components to excessive stress.
  • Overload Protection: During startup, if the machine encounters an unexpected overload or jam, the fluid coupling provides a level of protection. The fluid coupling will slip, limiting the torque transmitted to the output shaft, thus preventing damage to the machine and associated components.
  • Reduction of Electrical Stress: In machines powered by electric motors, the use of a fluid coupling reduces the electrical stress during startup. As the fluid coupling gradually accelerates the load, it prevents abrupt spikes in electrical current, resulting in a smoother and controlled power draw from the electrical supply.

By offering smooth startup, inertia compensation, overload protection, and reduced electrical stress, a fluid coupling significantly improves the starting performance of large machines, ensuring their longevity, reliability, and overall operational efficiency.

China Standard Clamped Compressio Flexible Rubber Motor Quick Release Spline Fluid Shaft Flange Sleeve Split Threaded Stainless Steel Hydrodynamic Custom Rigid Coupling  China Standard Clamped Compressio Flexible Rubber Motor Quick Release Spline Fluid Shaft Flange Sleeve Split Threaded Stainless Steel Hydrodynamic Custom Rigid Coupling
editor by CX 2023-12-14

China best UL/FM/CE Fire Protection Ductile Iron Grooved Fitting Rigid Flexible Coupling

Product Description

LAMAT PIPING – Ductile Iron Grooved Fittings
Name Rigid coupling, Flexible coupling, 90° Elbow, 45° Elbow, 22.5° Elbow, 11.25° Elbow, Split Flange, Adaptor Flange, Cap
Tee, Reducing Tee(Grooved/Threaded), Mechnical Tee(Grooved/Threaded), U-bolted Mechnical Tee
Cross, Reducing Cross(Grooved/Threaded), Mechnical Cross(Grooved/Threaded)
Reducer(Grooved/Threaded), Grooved Eccentric Reducer
H.S. CODE 735710000
Technology Casting
Connections Grooved-Thread End, Grooved End
Pressure Rate 300PSI / 2.07MPa
Size 1” – 12”
Pipe O.D. 33.7MM – 323.9MM
Surface Finish Epoxy Powder,Painting,Galvanization,Dacromet (in Red/Orange/Blue/White Color)
Design Standard American Standard ANSI/ASTM
European Standard EN
British Standard BS
Germany Standard DIN
Japanese Standard JIS
ISO Standard ISO
Thread Standard ASME B.1.20.1 / EN15716 / DIN2999 / ISO7-1 / ISO228 / IS554 / BS EN15716 / BS 21.173
Material Standard Ductile Iron confirms to ASTM A-536 Gr65-45-12,EN1563,JIS G5502,QT450-12
Gasket Material EPDM,NBR or Silicon Rubber
Bolts & Nuts ISO 898-1class 8.8
Flanges Standard PN series or Class series
Packages Plywood Cases or Plywood Pallets or Boxes
Application Fire Fighting System,Petrochemical & Gas Industry,Chemical,Machinery,Electric Power,Construction Water Works,Valve Industry,etc.
Advantages High Quality + Ready Stock + Faster Delivery + Customized
Brand LMP
Certificate ISO9001,API,CE,UL/FM

 

Products Details

Factory & Workshop Show

 

Company Profile

WHO WE ARE

Lamat Piping established in 2002s,is 1 of China’s leading piping manufacturing and exporting suppliers,specialized in qualified steel flanges, butt weld pipe fittings and malleable cast iron fittings for clients from over 60 countries and regions worldwide.

Lamat Piping is the single and independent exporting department of NPCC(National Piping Construction Cooperation),who is a group company with 5 factories located in ZheJiang and ZheJiang , where the regions have very long histories in manufacturing Steel & Iron products dating back to 1990s. CHINAMFG Piping(NPCC) aims to combine and intergrade some leading and high quality industries to become a modern and international piping supplier in the new century. Now we have more than 30 producing and machining lines with over 1000 normal workers and 80 technical employees. Our factories covers over 300,000 square meters,and has an annual output of 500,000Tons.

WHAT WE PRODUCE

Lamat Piping(NPCC) is producing flanges from 1/2” to 144” – Standards including ASTM B16.5, EN1092-1, BS4504, BS10, SANS1123, DIN, JIS, UNI, GOST, KS, AS, etc. Products including Plate Flanges FF/RF, Slip On Flanges FF/RF, Blind Flanges FF/RF, Welding Neck Flanges, Screwed Flange, Socketed Flanges, Lap Joint Flanges,Backing Rings Flanges,etc. Pressures includes 150LBS to 2500LBS in ASTM B16.5,PN6(T6/3/4/8) to PN100(T100/3/4/8) in EN1092-1/BS4504/BS10, T600/3/4/8 to T4000/3/4/8 in SANS1123.

Lamat Piping(NPCC) is producing butt weld fittings from 1/2” to 144” – Standards including ASTM B16.9, JIS B2311, EN15713, DIN, GOST…etc. Products including 45/90/180 Degree Short/Long Radius Elbow,Equal/Reducing Tee,Cross,Concentric/Eccentric Reducer,End Cap.

Lamat Piping(NPCC) is also producing malleable cast iron fittings from 1/2” to 6” – Standards ASME B16.3, ASME B16.14,BS EN15712,BS1256,DIN2950, BNR6943, ISO49,etc. Products including Elbow,Bend,Tee,Socket,Nipple,Bushing,Union,Cap,Plug,Back Nut.

WHAT WE SOURCE

With 30+ years constant efforts and experience,now CHINAMFG Piping(NPCC) has become our customers’ expert manufacturer and supplier for a very wide range of piping products.And today CHINAMFG Piping is not only supplying Flanges,BW fittings & Malleable Iron Fittings produced by ourselves,but also sourcing and exporting various Pipe Fittings & Valves s from China’s leading industries,including Cast Iron Valves, Ductile Iron Pipe Fitting, Stainless Steel 1,2,3PC Ball Valve, Stainless Steel 150LBS NPT/BSP Fittings, Wrought Steel Fittings,Grooved Fittings,Forged Steel Fittings,HDPE Pipes Fittings Valves,PVC Pipes Fittings Valves, Brass Valves Fittings,etc.

WHAT WE PROMISE

”BETTER QUALITY, BETTER SERVICES” is our promise to all of our customers and ”CREATE VALUE FOR CUSTOMERS” is our ultimate goal. CHINAMFG Piping promises that we’ll continue to put quality in the first place;besides,we will not lose our fixed-focus on the service aspect of our business,which has been,and will continue to be the foundation of our success and our future growth.

WHAT YOU CHOOSE

If you’d like to trust CHINAMFG Piping,Lamat people will do the best to be worthy of your trust!

 

Producing Process & Inspection

 

Pipeline System Application

 

Packaging & Shipping

FAQ

Q0: Are you a factory or trading company?
A: We are a factory mainly producing pipe fittings & flanges. We also have cooperated factories to supply other piping products.
 
Q1: How do your Control the Quality?
A: We have QA & QC department who will follow up all the producing process to make sure we’re supplying correctly.
 
Q2: What Machines are you using for Manufacturing and Machining?
A: We have Forging/Stamping Machine,CNC Machine,Hole-Drilling Machine,Sandblasting Machine. All producing is in our factory except Galvanization.
 
Q3: Can we get Samples for Testing?
A: Yes,sapmles are supplied free of charge.
 
Q4: Can you accept OEM & marking our LOGO?
A: Yes,no problem if you can provide Authorization.
 
Q5: Can you offer Drawings & Datasheets?
A: Yes,Drawings & Datasheets will be sent for your confirmation before Bulk Production.
 
Q6: Can you supply MTC with EN15714 3.1/3.2 Certificate?
A: Yes,MTC will be provided after production is finished.
 
Q7: Can we visit your factory to inspect the goods before delivery?
A: Yes sure. Welcome to our factory,and we also accept Third Party Inspection like SGS,TUV,BV,etc.
 
Q8: Can you combine goods from our other suppliers to ship together?
A: Yes,we’d like to assist you to ship together to save your time and money.
 
Q9: How long is your Delivery Time?
A: It depends on quantity and products. It can be delivered in 1 week if we have Ready-Stock; if not,the General Production Time is 25 – 50 Days.
 
Q10: What’s your Payment Terms?
A: Currently we’re working with our clients under T/T,L/C,O/A,Western Union,etc.

rigid coupling

What Are the Maintenance Requirements for Rigid Couplings?

Rigid couplings are known for their simplicity and low maintenance requirements. Since they do not have moving parts or flexible elements, there are minimal wear and tear issues. However, some maintenance considerations for rigid couplings include:

1. Regular Inspection: It is essential to perform periodic inspections of the rigid couplings to check for any signs of wear, damage, or misalignment. Regular inspections can help identify potential issues early and prevent further problems.

2. Shaft Alignment: Proper shaft alignment is critical for rigid couplings. During installation or whenever maintenance work is performed on the connected machinery, the shaft alignment must be checked and adjusted if necessary. Misalignment can lead to premature coupling failure and cause additional stress on connected equipment.

3. Lubrication: Most rigid couplings do not require lubrication since they have no moving parts. However, some special designs or large-sized couplings may have set screws or other fasteners that require lubrication. It is essential to follow the manufacturer’s guidelines regarding lubrication, if applicable.

4. Corrosion Protection: In corrosive environments, protecting the rigid couplings from corrosion is crucial. This can be achieved through the use of corrosion-resistant materials or coatings.

5. Periodic Re-tightening: If the rigid coupling uses set screws or other fasteners, periodic re-tightening may be necessary to maintain the integrity of the connection. This is particularly important in applications with high vibrations or heavy loads.

6. Temperature Considerations: Rigid couplings may experience thermal expansion or contraction, especially in high-temperature environments. It is essential to consider the thermal expansion characteristics of the coupling material and the connected shafts to ensure proper functioning under varying temperatures.

7. Professional Maintenance: In complex systems or critical applications, it is advisable to seek professional maintenance and alignment services. Expert technicians can ensure proper installation, alignment, and maintenance of rigid couplings, reducing the risk of unexpected failures.

Overall, rigid couplings are designed for reliability and longevity, and proper maintenance practices can further enhance their performance and lifespan. Regular inspections and alignment checks are vital for identifying and addressing potential issues before they escalate into costly problems.

rigid coupling

What Industries Commonly Use Rigid Couplings for Power Transmission?

Rigid couplings are widely used in various industries for power transmission applications that require a solid and reliable connection between rotating shafts. Some of the industries that commonly utilize rigid couplings include:

  • Manufacturing: In the manufacturing industry, rigid couplings are employed in a wide range of equipment, such as conveyors, mixers, pumps, compressors, and machine tools. These couplings ensure precise power transmission and alignment, making them ideal for maintaining accuracy in manufacturing processes.
  • Material Handling: Material handling equipment, including cranes, hoists, and elevators, often rely on rigid couplings to transfer power between shafts efficiently. Rigid couplings provide a robust connection that can handle the heavy loads and continuous operation common in material handling applications.
  • Automotive: The automotive industry employs rigid couplings in various automotive systems, including drive shafts, transmissions, and steering systems. Rigid couplings contribute to the overall performance and reliability of these components, ensuring smooth power transfer and minimizing vibration.
  • Mining and Construction: In the mining and construction industries, rugged and durable power transmission components are crucial. Rigid couplings are used in equipment like crushers, mills, and heavy-duty conveyors, where they can withstand the harsh conditions and heavy loads commonly found in these applications.
  • Oil and Gas: The oil and gas industry often utilizes rigid couplings in pumps, compressors, and drilling equipment. Rigid couplings offer consistent and dependable power transmission, which is essential for critical operations in this sector.
  • Marine: In marine applications, such as ship propulsion systems and marine pumps, rigid couplings are used to transmit power between the ship’s engine and various equipment. They can handle the dynamic forces and vibrations encountered in marine environments.
  • Aerospace: In aerospace applications, where precision and reliability are paramount, rigid couplings play a role in power transmission between various aircraft components.

Rigid couplings are chosen in these industries for their ability to maintain shaft alignment, resist misalignment, and provide a backlash-free connection. Their robust construction and simple design make them suitable for high torque and high-speed applications, where precision and efficiency are crucial.

rigid coupling

What is a Rigid Coupling and How Does it Work?

A rigid coupling is a type of mechanical coupling used to connect two shafts together at their ends to transmit torque and rotational motion without any flexibility or misalignment accommodation. Unlike flexible couplings, rigid couplings do not allow for angular, parallel, or axial misalignment between the shafts. The main purpose of a rigid coupling is to provide a strong and solid connection between two shafts, ensuring precise and synchronous power transmission between them.

Structure and Design:

Rigid couplings are typically made from durable materials such as steel, stainless steel, or aluminum, which can withstand high torque and load applications. The coupling consists of two halves, each with a cylindrical bore that fits tightly onto the respective shafts. The two halves are then fastened together using bolts or set screws to ensure a secure and rigid connection.

Working Principle:

The working principle of a rigid coupling is straightforward. When the two shafts are aligned precisely and the coupling is securely fastened, any torque applied to one shaft gets directly transferred to the other shaft. The rigid coupling essentially makes the two shafts act as one continuous shaft, allowing for synchronous rotation without any relative movement or play between them.

Applications:

Rigid couplings are commonly used in applications where precise alignment and torque transmission are essential. Some common applications of rigid couplings include:

  • High-precision machinery and equipment
  • Robotics and automation systems
  • Precision motion control systems
  • Machine tools
  • Shaft-driven pumps and compressors

Advantages:

The key advantages of using rigid couplings include:

  • High Torque Transmission: Rigid couplings can handle high torque and power transmission without any loss due to flexibility.
  • Precision: They provide accurate and synchronous rotation between the shafts, making them suitable for precise applications.
  • Simple Design: Rigid couplings have a simple design with minimal moving parts, making them easy to install and maintain.
  • Cost-Effective: Compared to some other coupling types, rigid couplings are generally more cost-effective.

Limitations:

Despite their advantages, rigid couplings have certain limitations:

  • No Misalignment Compensation: Rigid couplings cannot accommodate any misalignment between the shafts, making precise alignment during installation crucial.
  • Transmits Vibrations: Since rigid couplings do not dampen vibrations, they can transmit vibrations and shocks from one shaft to the other.
  • Stress Concentration: In some applications, rigid couplings can create stress concentration at the ends of the shafts.

In summary, rigid couplings are ideal for applications that require precise alignment and high torque transmission. They offer a robust and straightforward solution for connecting shafts and ensuring synchronous power transmission without any flexibility or misalignment accommodation.

China best UL/FM/CE Fire Protection Ductile Iron Grooved Fitting Rigid Flexible Coupling  China best UL/FM/CE Fire Protection Ductile Iron Grooved Fitting Rigid Flexible Coupling
editor by CX 2023-12-14

China Good quality Elastomeric Coupling CHINAMFG Coupling E2 E3 E4 E5 E10 E20 E30 E40 E50 E60 E70 E80

Product Description

Product Description

OMEGA COUPLING

Feature
1. Split  in half design for simple installation, maintain free.
2. High misalignment capacity.
3. Facility protection for twirl, twist, impact and abrasion.
4. No lubrication for polyurethane flex element.
5. Available for bore to size hubs and taper lock bushes.
6. Very low noise.

 

 

 
 

FAQ

Q1: Are you trading company or manufacturer ?
A: We are factory.
 

Q2: How long is your delivery time and shipment?
1.Sample Lead-times: 10-20 days.
2.Production Lead-times: 30-45 days after order confirmed.

Q3: What is your advantages?
1. The most competitive price and good quality.
2. Perfect technical engineers give you the best support.
3. OEM is available.

 

 

elastomeric coupling

Design Considerations for Enhancing Elastomeric Coupling Durability

Elastomeric couplings can be designed to enhance their durability and performance in various mechanical power transmission applications. Here are some key design considerations:

1. Material Selection:

Choosing the appropriate elastomeric material based on the specific application requirements is critical for ensuring durability. Factors such as temperature range, chemical exposure, load capacity, and resistance to wear and tear should guide the material selection process.

2. Torque and Load Ratings:

The coupling’s design should consider the expected torque and load requirements of the application. Ensuring that the coupling’s torque and load ratings are well-matched to the operating conditions helps prevent premature failure due to overloading.

3. Misalignment Compensation:

Elastomeric couplings are known for their ability to accommodate misalignment between shafts. Properly designing the coupling to handle the anticipated misalignment angles and offset distances will prevent excessive stress on the elastomer and increase its longevity.

4. Damping and Vibration Control:

Integrating features to enhance the coupling’s damping capabilities can help reduce vibrations and dampen shocks and impacts. This reduces the overall stress on the coupling and connected equipment, contributing to improved durability.

5. Torsional Flexibility:

Providing adequate torsional flexibility in the coupling design allows it to absorb sudden torque spikes and fluctuations, preventing potential damage to the machinery and enhancing durability.

6. Corrosion Resistance:

In environments where corrosion or chemical exposure is a concern, incorporating corrosion-resistant materials or protective coatings in the coupling design can extend its service life.

7. Lubrication and Maintenance:

Some elastomeric couplings may require periodic lubrication to minimize friction and wear. Designing the coupling to facilitate easy maintenance can ensure it remains in optimal condition throughout its operational life.

8. Finite Element Analysis (FEA):

Using FEA during the design phase allows engineers to simulate real-world operating conditions and identify potential stress concentrations. This enables the optimization of the coupling’s shape and material distribution for enhanced durability.

By carefully considering these design aspects, engineers can create robust and durable elastomeric couplings that provide reliable performance and contribute to the overall efficiency and longevity of the mechanical systems they serve.

elastomeric coupling

Standard Specifications and Industry Norms for Elastomeric Couplings

Yes, there are standard specifications and industry norms that govern the design, manufacturing, and performance of elastomeric couplings. These standards ensure that elastomeric couplings meet specific criteria for quality, reliability, and safety. Some of the widely recognized standards and norms for elastomeric couplings include:

1. American National Standards Institute (ANSI):

ANSI provides standards and guidelines for elastomeric couplings used in various industrial applications. ANSI standards cover design considerations, dimensions, materials, torque ratings, and performance testing for elastomeric couplings.

2. International Organization for Standardization (ISO):

ISO develops international standards for elastomeric couplings, ensuring consistency and interoperability across different regions and industries. ISO standards cover coupling performance, dimensions, and testing methods.

3. American Society of Mechanical Engineers (ASME):

ASME standards include guidelines for elastomeric couplings, providing information on design, installation, maintenance, and inspection practices to ensure safe and reliable operation.

4. American Gear Manufacturers Association (AGMA):

AGMA publishes standards related to elastomeric couplings used in power transmission systems. These standards cover coupling design, selection, application, and maintenance guidelines.

5. European Committee for Standardization (CEN):

CEN develops European standards for elastomeric couplings to promote uniformity and compliance across European countries.

Manufacturers often use these standards as a reference when designing and testing elastomeric couplings. Compliance with these standards helps ensure that the couplings meet minimum quality and performance requirements. Additionally, many industries have specific regulations and norms related to safety, which elastomeric couplings must adhere to when used in their applications.

When selecting an elastomeric coupling, it is essential to verify if it complies with the relevant standards and industry norms to guarantee its suitability and safety for your specific application. Manufacturers typically provide documentation stating the compliance of their couplings with the applicable standards.

elastomeric coupling

Maintenance Requirements for Elastomeric Couplings to Ensure Optimal Performance and Longevity

Elastomeric couplings are known for their relatively low maintenance requirements, but regular inspection and care are essential to ensure their optimal performance and longevity. Here are the key maintenance practices for elastomeric couplings:

1. Visual Inspection:

Regularly inspect the coupling for signs of wear, damage, or misalignment. Look for cracks, tears, or deformations in the elastomeric element and any visible signs of deterioration.

2. Lubrication:

Most elastomeric couplings do not require lubrication, as the elastomeric material acts as a self-lubricating element. However, check with the manufacturer’s recommendations to ensure your specific coupling type does not require any lubrication.

3. Misalignment Check:

Monitor the misalignment between the connected shafts to ensure it stays within the coupling’s allowable limits. Excessive misalignment can lead to premature wear and reduced coupling life.

4. Temperature Limits:

Keep the operating temperature within the specified limits for the elastomeric material. Extreme temperatures can degrade the elastomer and affect its flexibility and performance.

5. Environmental Protection:

Protect the coupling from exposure to chemicals, abrasive particles, and other harsh environmental elements that may accelerate wear and deterioration of the elastomeric material.

6. Regular Maintenance Schedule:

Follow a maintenance schedule recommended by the manufacturer or based on the specific operating conditions of your application. Regularly inspect and replace elastomeric couplings as needed to prevent unexpected failures.

7. Proper Installation:

Ensure the coupling is correctly installed following the manufacturer’s guidelines. Proper installation helps maintain the coupling’s alignment and prevents undue stresses on the elastomeric element.

8. Load Monitoring:

Regularly monitor the load and torque requirements of your application. Avoid overloading the coupling beyond its specified capacity, as this can lead to premature failure.

By following these maintenance practices, you can extend the life of your elastomeric couplings and ensure they continue to provide reliable and efficient power transmission in your industrial system. Remember that each application may have specific maintenance needs, so always refer to the manufacturer’s instructions and consult with experts if needed.

China Good quality Elastomeric Coupling CHINAMFG Coupling E2 E3 E4 E5 E10 E20 E30 E40 E50 E60 E70 E80  China Good quality Elastomeric Coupling CHINAMFG Coupling E2 E3 E4 E5 E10 E20 E30 E40 E50 E60 E70 E80
editor by CX 2023-12-12

China Good quality CHINAMFG Customized Mol Hydraulic Fluid Coupling for Belt Conveyor Machine

Product Description

Densen Customized MOL Hydraulic Fluid Coupling For Belt Conveyor Machine,Friction Coupling Manufacture

Product Name Hydraulic coupling device for Coal mine scraper conveyor, Fricton Coupling,Friction Coupler
DN mm 12~160mm
Rated Torque 25~25000 N·m
Allowable speed 15300~1500 N·m
Material 35CrMo/ZG270/45# steel/Aluminum alloy
Application Widely used in metallurgy, mining, engineering and other fields.

Product show

Company Information

Equipment

 

Application Case

Typical case of diaphragm coupling applied to variable frequency speed control equipment

JMB type coupling is applied to HangZhou Oilfield Thermal Power Plant

According to the requirements of HangZhou Electric Power Corporation, HangZhou Oilfield Thermal Power Plant should dynamically adjust the power generation according to the load of the power grid and market demand, and carry out the transformation of the frequency converter and the suction fan. The motor was originally a 1600KW, 730RPM non-frequency variable speed motor matched by HangZhou Motor Factory. The speed control mode after changing the frequency is manual control. Press the button speed to increase 10RPM or drop 10RPM. The coupling is still the original elastic decoupling coupling, and the elastic de-coupling coupling after frequency conversion is frequently damaged, which directly affects the normal power generation.

It is found through analysis that in the process of frequency conversion speed regulation, the pin of the coupling can not bear the inertia of the speed regulation process (the diameter of the fan impeller is 3.3 meters) and is cut off, which has great damage to the motor and the fan.

Later, they switched to the JMB460 double-diaphragm wheel-type coupling of our factory (patent number: ZL.99246247.9). After 1 hour of destructive experiment and more than 1 year of operation test, the equipment is running very well, and there is no Replace the diaphragm. 12 units have been rebuilt and the operation is in good condition.

 

Other Application Case

 

Spare parts

 

Packaging & Shipping

Why Choose Us

1. One stop service:
We have 5 own factories and 50+ sub-contractors located in different areas of China to offer you one-stop manufacturing and purchasing services to help you save time and reduce procurement cost.

2. Your eyes in China:

Our commitment to quality permeates from quoting, scheduling, production, inspection to deliver into your warehouse, our QC team will remark the errors if has on QC documents for your checking before delivery as your 3rd party.

3. Your R&Dconsultant:
With professional engineers team and 29 years manufacture experience ,we would help you work out problems during new parts’ development, optimize design and recommend the most cost-effective solution.

4. Your Emergency Solver:
With continued grown factories team and our QC teams located in different areas, if customers need to expedite the delivery, we would be able to adopt another factory to produce together immediately.

5. Quality Guaranty:
No matter how long time the products delivered, we are responsible for the quality. In case the products be rejected, we would replace them or return fund according to your demand without hesitation

FAQQ1. Are you a manufacturer or a trader?

Manufacture, we have 5 own foundries, 4 in ZheJiang Province, 1 in ZHangZhoug Province

Q2. Do you have MOQ request?

1 pcs per order is ok with us , unless material is seldom used.

Q3. If I only have a sample,without drawings, can you quote then manufacture for me?

Just send us the sample, we would have the sample simulated and measured by professional equipment then issue formal drawings for
you , at the same time, we could help you optimize the design according to your demand and related processes’ feasibility.

fluid coupling

Fluid Coupling and Smooth Power Transmission during Starting and Stopping

A fluid coupling is designed to facilitate smooth power transmission during the starting and stopping phases of machinery and equipment. It achieves this by utilizing the principle of hydrodynamic torque transmission through a fluid medium.

Starting Phase: When power is initially supplied to the input shaft of the fluid coupling, the impeller (also known as the pump) begins to rotate, imparting energy to the fluid inside the coupling. As the fluid gains kinetic energy, it starts moving outward towards the turbine (also called the driven element) due to centrifugal force.

The kinetic energy of the moving fluid causes the turbine to start rotating, transmitting torque to the output shaft. During this starting phase, there is a slight time lag, known as the “slip,” between the impeller and the turbine. However, as the fluid coupling reaches its operational speed, the slip reduces, and the turbine matches the speed of the impeller, resulting in smooth power transmission from the input to the output shaft.

The fluid coupling’s ability to control the slip ensures a gradual and controlled acceleration of the driven equipment, minimizing stress on the drivetrain components and preventing sudden shock loads.

Stopping Phase: When power to the input shaft is reduced or cut off, the impeller slows down, and the kinetic energy in the fluid decreases. As a result, the fluid moves away from the turbine towards the center of the coupling, reducing the torque transmission between the input and output shafts.

This characteristic of the fluid coupling aids in smoothly decelerating the connected equipment, preventing sudden jolts or jerks during the stopping process. The ability to control the slip during deceleration ensures that the driven machinery comes to a gradual and controlled stop, enhancing safety and protecting the equipment from damage.

The combination of hydrodynamic torque transmission and the ability to control the slip makes fluid couplings ideal for applications where smooth power transmission during starting and stopping is essential. Industries such as mining, construction, metal processing, marine propulsion, and power generation benefit from the reliable and efficient performance of fluid couplings in various machinery and equipment.

fluid coupling

Role of Fluid Coupling in Torque Multiplication and Power Transfer

A fluid coupling is a mechanical device used to transmit power between two shafts without direct physical contact. It operates on the principles of fluid dynamics and hydrokinetics to enable torque multiplication and efficient power transfer. Here’s how a fluid coupling achieves these functions:

  • Hydrodynamic Torque Converter: A fluid coupling is essentially a hydrodynamic torque converter. When the input shaft (driving shaft) rotates, it sets the transmission fluid inside the coupling in motion. The fluid experiences centrifugal forces, creating a high-velocity zone near the outer circumference and a low-velocity zone near the center. This velocity difference generates torque in the fluid coupling, allowing power to be transmitted from the input shaft to the output shaft (driven shaft).
  • Torque Multiplication: One of the primary advantages of a fluid coupling is its ability to provide torque multiplication. During startup or when the load on the driven shaft is initially low, the fluid coupling slips to some extent, which allows the input shaft to rotate at a higher speed than the output shaft. This speed difference results in torque multiplication, enabling the fluid coupling to handle higher loads during acceleration or heavy starting conditions.
  • Power Transfer Efficiency: Fluid couplings offer high power transfer efficiency due to the hydrodynamic nature of their operation. The smooth and continuous transmission of power through the fluid medium minimizes energy losses and mechanical wear, leading to more efficient power transmission compared to mechanical clutches or direct-coupling methods.
  • Load Adaptability: Fluid couplings automatically adjust their slip to adapt to changing load conditions. When the load on the output shaft increases, the fluid coupling slips more, allowing the output shaft to slow down slightly and match the load demand. This load adaptability ensures smooth and stable power transfer even under varying operating conditions.

Fluid couplings are commonly used in applications where torque multiplication and smooth power transfer are essential. They find widespread use in heavy machinery, mining equipment, conveyors, crushers, marine propulsion systems, and many other industrial applications. By efficiently transferring power while providing torque multiplication, fluid couplings help optimize the performance and longevity of power transmission systems.

Proper selection of the fluid coupling based on the application’s torque and power requirements is crucial to ensure optimal torque multiplication and power transfer. Additionally, regular maintenance and monitoring of the fluid coupling’s condition are essential to maintain its efficiency and reliability over time.

fluid coupling

Advantages of Using Fluid Couplings in Power Transmission Systems

Fluid couplings offer several advantages in power transmission systems, making them well-suited for various industrial applications. Here are some of the key benefits:

  • Smooth Power Transmission: Fluid couplings provide a smooth and gradual transfer of power from the engine or motor to the driven load. This helps to reduce shock and stress on the entire powertrain, leading to smoother operation and extended equipment life.
  • Overload Protection: Fluid couplings act as a mechanical fuse in power transmission systems. When the load exceeds a certain threshold, the fluid coupling will slip, preventing excessive torque from reaching the driven load and protecting the machinery from damage.
  • Torsional Vibration Damping: They effectively dampen torsional vibrations, reducing the risk of resonance and fatigue failure in the drivetrain. This is particularly important in applications with varying loads and speeds.
  • No Mechanical Wear: Fluid couplings have no physical contact between the input and output components, resulting in minimal mechanical wear. This characteristic reduces maintenance and extends the service life of the coupling.
  • Simple Design: The design of fluid couplings is relatively simple compared to other mechanical power transmission devices, leading to lower manufacturing costs and ease of maintenance.
  • Energy Efficiency: In certain operating conditions, such as during startup or idling, fluid couplings can offer energy-saving benefits. They allow the engine to run at a constant speed while smoothly transmitting power to the load.
  • Wide Range of Applications: Fluid couplings are versatile and can be used in various industrial machinery, including conveyors, crushers, pumps, fans, marine propulsion systems, and more.

Despite these advantages, fluid couplings also have limitations, such as a slight power loss due to slip and limited torque multiplication compared to torque converters. Therefore, the choice between a fluid coupling and other power transmission devices depends on the specific requirements of the application.

China Good quality CHINAMFG Customized Mol Hydraulic Fluid Coupling for Belt Conveyor Machine  China Good quality CHINAMFG Customized Mol Hydraulic Fluid Coupling for Belt Conveyor Machine
editor by CX 2023-12-06

China Custom Rigid Conduit Fittings PVC Electrical Conduit Fittings Soild Coupling

Product Description

Product Description

Rigid Conduit Fittings PVC Electrical Conduit Fittings Soild Coupling

conduit coupling:
– with high-impact 100% new pvc material to make sure the conduit 90 bend is very high quality, our conduit coupling won’t be crush.  
– with strong UV resistance/sunlight resistance, our PVC electrical conduit fittings can be used on hash outdoor conditions.
– with smooth surface, good gloss and brightness.
– best fireproof level, our pvc conduit couplings’ flame retardant is Vo, the fire can be die out within 5 seconds. 
– with inner cone and push fit design, our coulpling has a very tight connection. 
– suitable for 16, 20, 25, 32, 40, 50mm conduits. 
– white, grey, orange colors available, other others can be customized. 
– we can offer free sampels for our conduit couplings to check the quality before trial bulk order. 
 

electrical conduit coupling
 

Related Products

Our services are as below, but not limited to:
– Design customized: we can open new molds and make your designs. We have our own R&D team and we can develop and make moulds. 
– Brand and logo: we can print or curve your brand and logo on the products.
– Package: we can do your package design as requested as well.
– Professional team: we have a professional team to provide professional products and trading service, and after-sale service as well as. We pursue CHINAMFG and long-term cooperation.
– Protection: we will follow the protection agreements for your customized products and your trading information.   
– Certificates: We do high quality products, our products are accordance with the standard of IEC, Rosh, ISO, AS/NZS, UL651 and etc…..

 

FAQ

1.What is your MOQ ?

   Depend on your order (different kinds of items have different MOQ )

2. What is your delivery time ?

    Normally, the time of delivery duration is around 15-30 days

3. What is the shipping port ?

    We ship the goods via HangZhou port or HangZhou port.

4. What is your payment term ?

    We accept 30%T/T in advance, 70% in the period of shipment or 100% L/C.

5. How should I contact you ?

    You can contact us with Trade Manager or send us an email.

6. How about the samples ?

    Our samples for pvc conduit and fittings are free. 
 

conduit coupling

rigid coupling

Can Rigid Couplings Handle Misalignment Between Shafts?

Rigid couplings are not designed to handle misalignment between shafts. Unlike flexible couplings that can accommodate slight misalignment through their bending or elastic properties, rigid couplings are intended to provide a fixed and immovable connection between two shafts. As a result, any misalignment between the shafts can lead to increased stress and uneven loading on connected components.

It is essential to ensure precise alignment when using rigid couplings to avoid premature wear and failure of the system. The shafts must be perfectly aligned in both the axial and angular directions before installing the rigid coupling. Proper alignment helps distribute the load evenly and reduces stress concentration on specific areas, such as bearings and keyways.

If a system requires some level of misalignment compensation due to factors like thermal expansion or slight shaft deflection, a flexible coupling should be considered instead. Flexible couplings can tolerate small degrees of angular and axial misalignment while still transmitting torque efficiently and protecting the connected equipment from excessive stress and wear.

In summary, rigid couplings are best suited for applications where precise shaft alignment can be achieved and maintained, while flexible couplings are more appropriate for systems with potential misalignment or other dynamic factors that require some degree of flexibility.

rigid coupling

Can Rigid Couplings Be Used in Applications with Varying Operating Temperatures?

Rigid couplings are versatile mechanical components that can be used in a wide range of applications, including those with varying operating temperatures. However, the selection of the appropriate material for the rigid coupling is crucial to ensure its reliable performance under different temperature conditions.

Material Selection: The choice of material for the rigid coupling depends on the specific operating temperature range of the application. Common materials used in manufacturing rigid couplings include steel, stainless steel, and aluminum, among others. Each material has its own temperature limitations:

Steel: Rigid couplings made from steel are suitable for applications with moderate to high temperatures. Steel couplings can handle temperatures ranging from -40°C to around 300°C, depending on the specific grade of steel used.

Stainless Steel: Stainless steel rigid couplings offer higher corrosion resistance and can be used in applications with more demanding temperature environments. They can withstand temperatures from -80°C to approximately 400°C.

Aluminum: Aluminum rigid couplings are commonly used in applications with lower temperature requirements, typically ranging from -50°C to around 120°C.

Thermal Expansion: When selecting a rigid coupling for an application with varying temperatures, it is essential to consider thermal expansion. Different materials have different coefficients of thermal expansion, meaning they expand and contract at different rates as the temperature changes. If the operating temperature fluctuates significantly, the thermal expansion of the rigid coupling and the connected components must be carefully accounted for to avoid issues with misalignment or binding.

Extreme Temperature Environments: For applications with extremely high or low temperatures beyond the capabilities of traditional materials, specialized high-temperature alloys or composites may be required. These materials can withstand more extreme temperature conditions but may come with higher costs.

Lubrication: The choice of lubrication can also play a role in the suitability of rigid couplings for varying temperature applications. In high-temperature environments, consideration should be given to using high-temperature lubricants that can maintain their effectiveness and viscosity at elevated temperatures.

In conclusion, rigid couplings can indeed be used in applications with varying operating temperatures, but careful material selection, consideration of thermal expansion, and appropriate lubrication are essential to ensure reliable and efficient performance under changing temperature conditions.

rigid coupling

What is a Rigid Coupling and How Does it Work?

A rigid coupling is a type of mechanical coupling used to connect two shafts together at their ends to transmit torque and rotational motion without any flexibility or misalignment accommodation. Unlike flexible couplings, rigid couplings do not allow for angular, parallel, or axial misalignment between the shafts. The main purpose of a rigid coupling is to provide a strong and solid connection between two shafts, ensuring precise and synchronous power transmission between them.

Structure and Design:

Rigid couplings are typically made from durable materials such as steel, stainless steel, or aluminum, which can withstand high torque and load applications. The coupling consists of two halves, each with a cylindrical bore that fits tightly onto the respective shafts. The two halves are then fastened together using bolts or set screws to ensure a secure and rigid connection.

Working Principle:

The working principle of a rigid coupling is straightforward. When the two shafts are aligned precisely and the coupling is securely fastened, any torque applied to one shaft gets directly transferred to the other shaft. The rigid coupling essentially makes the two shafts act as one continuous shaft, allowing for synchronous rotation without any relative movement or play between them.

Applications:

Rigid couplings are commonly used in applications where precise alignment and torque transmission are essential. Some common applications of rigid couplings include:

  • High-precision machinery and equipment
  • Robotics and automation systems
  • Precision motion control systems
  • Machine tools
  • Shaft-driven pumps and compressors

Advantages:

The key advantages of using rigid couplings include:

  • High Torque Transmission: Rigid couplings can handle high torque and power transmission without any loss due to flexibility.
  • Precision: They provide accurate and synchronous rotation between the shafts, making them suitable for precise applications.
  • Simple Design: Rigid couplings have a simple design with minimal moving parts, making them easy to install and maintain.
  • Cost-Effective: Compared to some other coupling types, rigid couplings are generally more cost-effective.

Limitations:

Despite their advantages, rigid couplings have certain limitations:

  • No Misalignment Compensation: Rigid couplings cannot accommodate any misalignment between the shafts, making precise alignment during installation crucial.
  • Transmits Vibrations: Since rigid couplings do not dampen vibrations, they can transmit vibrations and shocks from one shaft to the other.
  • Stress Concentration: In some applications, rigid couplings can create stress concentration at the ends of the shafts.

In summary, rigid couplings are ideal for applications that require precise alignment and high torque transmission. They offer a robust and straightforward solution for connecting shafts and ensuring synchronous power transmission without any flexibility or misalignment accommodation.

China Custom Rigid Conduit Fittings PVC Electrical Conduit Fittings Soild Coupling  China Custom Rigid Conduit Fittings PVC Electrical Conduit Fittings Soild Coupling
editor by CX 2023-12-04

China Custom High Flexible Couplings H110 (Equivalent to N-EUPEX series B type coupling) gear coupling

Product Description

SYPT H-EUPEX high flexible couplings are for shaft connection of machines,they compensate for shaft misalignment,generating only low  restorative forces.

 

The torque is conducted through elastomer flexibles, so the coupling  has typically flexible rubber properties.

The flexible inserts of the H-EUPEX coupling are subjected to compression. If the flexible inserts are irreparably damaged, the hub parts  come into contact with metal. This “emergency operation capability” is required, etc., in the case of fire pump drives.
 

The motor torque is transmitted to the hub at the drive end via  the shaft-hub connection, which is mostly designed as a keyway connection. The torque is transmitted to the hub on the output  side with the aid of elastomer flexible inserts. The hub on the output  side further transmits the torque to the driven machine or a gear  unit placed in between. Because of the primarily compressionloaded  elastomer flexible inserts, the coupling has a progressive  torsional  stiffness.

 

 

Parts No.     part 1+part4

 

 

Please contact us to learn more.

flange coupling

How Does a Gear Coupling Protect Connected Equipment from Shock Loads and Vibrations?

Gear couplings are designed to provide excellent protection to connected equipment from shock loads and vibrations, making them ideal for use in demanding and heavy-duty applications. The design and features of gear couplings that contribute to this protection include:

  • Flexible and Rigid Elements: Gear couplings consist of two hubs with external gears that mesh together. Between these two hubs, there is a center sleeve with internal gear teeth. The center sleeve acts as a flexible element, while the outer hubs act as rigid elements. This combination allows the gear coupling to transmit torque while absorbing and dampening shock loads and vibrations.
  • Misalignment Compensation: Gear couplings can accommodate angular, parallel, and axial misalignment between shafts. When the connected equipment experiences misalignment due to dynamic forces or shock loads, the gear coupling can flex and adjust to these changes, preventing excessive stress on the shafts and equipment.
  • High Torsional Stiffness: Gear couplings offer high torsional stiffness, meaning they have minimal angular deflection under load. This stiffness helps maintain precise alignment and reduces the likelihood of damage to the connected equipment caused by misalignment-induced vibrations.
  • Load Distribution: The toothed gear design of gear couplings ensures a large surface area of contact between the gears. This spreads the torque evenly across the gear teeth, resulting in a uniform distribution of load and reducing the concentration of stress on specific areas.
  • Damping Characteristics: The flexible center sleeve in the gear coupling acts as a damping element that absorbs and dissipates vibrations, further protecting the connected equipment from harmful oscillations.
  • High-Speed Balancing: Gear couplings are precisely balanced during manufacturing to minimize vibrations and ensure smooth operation even at high speeds. Proper balancing helps prevent resonances and reduces the impact of shock loads on the connected equipment.

By effectively absorbing and dampening shock loads and vibrations, gear couplings extend the life of the connected equipment and surrounding components, reduce maintenance requirements, and contribute to a more reliable and efficient mechanical system. However, it is essential to select the appropriate size and type of gear coupling based on the specific application and operating conditions to ensure optimal protection and performance.

China Custom High Flexible Couplings H110 (Equivalent to N-EUPEX series B type coupling)  gear couplingChina Custom High Flexible Couplings H110 (Equivalent to N-EUPEX series B type coupling)  gear coupling
editor by CX 2023-12-04

China Good quality CHINAMFG Customized Hydraulic Couplings, Hydraulic Coupling for Crane, Hydraulic Fluid Couplings

Product Description

Densen customized hydraulic couplings,hydraulic coupling for crane,hydraulic fluid couplings

 

Product Name Hydraulic couplings,hydraulic coupling for crane,hydraulic fluid couplings
DN mm 16~190mm
Rated Torque 40~25000 N·m
Allowable speed 4500~200 kN·m
Material 45#steel,aluminum
Application Widely used in metallurgy, mining, engineering and other fields.

 

Product show

Company Information

Equipment

 

Application Case

Typical case of diaphragm coupling applied to variable frequency speed control equipment

JMB type coupling is applied to HangZhou Oilfield Thermal Power Plant

According to the requirements of HangZhou Electric Power Corporation, HangZhou Oilfield Thermal Power Plant should dynamically adjust the power generation according to the load of the power grid and market demand, and carry out the transformation of the frequency converter and the suction fan. The motor was originally a 1600KW, 730RPM non-frequency variable speed motor matched by HangZhou Motor Factory. The speed control mode after changing the frequency is manual control. Press the button speed to increase 10RPM or drop 10RPM. The coupling is still the original elastic decoupling coupling, and the elastic de-coupling coupling after frequency conversion is frequently damaged, which directly affects the normal power generation.

It is found through analysis that in the process of frequency conversion speed regulation, the pin of the coupling can not bear the inertia of the speed regulation process (the diameter of the fan impeller is 3.3 meters) and is cut off, which has great damage to the motor and the fan.

Later, they switched to the JMB460 double-diaphragm wheel-type coupling of our factory (patent number: ZL.99246247.9). After 1 hour of destructive experiment and more than 1 year of operation test, the equipment is running very well, and there is no Replace the diaphragm. 12 units have been rebuilt and the operation is in good condition.

 

Other Application Case

 

Spare parts

 

Packaging & Shipping

 

Contact us

fluid coupling

Handling Overloads and Stall Conditions in Fluid Couplings

A fluid coupling is designed to handle overloads and stall conditions in power transmission systems. When an overload or stall occurs, the fluid coupling utilizes its unique operating principle to protect the drivetrain and the connected machinery:

  • Slip Feature: One of the key characteristics of a fluid coupling is its ability to slip at high torque loads. When an overload situation arises, the fluid coupling allows some relative motion between the input and output sides, known as slip. This slip absorbs the excess torque and prevents it from being transferred to the driven equipment, effectively protecting it from damage.
  • Fluid Circulation: During normal operation, the fluid inside the coupling circulates smoothly between the impeller and turbine, transmitting torque with minimal losses. However, when an overload or stall condition occurs, the fluid circulation may become turbulent, generating heat in the process. This heat dissipation helps in absorbing and dissipating the excess energy, preventing the transmission system from experiencing sudden stress.
  • Automatic Reconnection: After an overload or stall condition, once the excess torque is dissipated through slip and heat, the fluid coupling automatically reconnects the input and output sides, resuming the power transmission. This automatic reconnection ensures that the system returns to normal operation once the overload situation is resolved.
  • Sturdy Construction: Fluid couplings are designed with robust and durable materials to withstand high torque and thermal stresses during overload conditions. The strong construction ensures that the fluid coupling remains reliable and operational even after multiple overload events.

Overall, a fluid coupling’s ability to handle overloads and stall conditions makes it a reliable and essential component in various industrial applications. By providing overload protection and slip characteristics, fluid couplings help prevent costly damage to equipment, increase operational safety, and contribute to the longevity of the entire power transmission system.

fluid coupling

Fluid Couplings in Hydraulic Drive Systems

Yes, fluid couplings can be used in hydraulic drive systems to transmit power and control the speed of driven components. In hydraulic drive systems, fluid couplings act as a torque converter, providing a smooth and gradual transfer of power between the input and output shafts.

The basic principle of a fluid coupling remains the same whether it is used in a mechanical drive system or a hydraulic drive system. The fluid coupling consists of an input impeller connected to the prime mover (such as an electric motor or an engine) and an output runner connected to the driven component.

When the prime mover is activated, it drives the input impeller, creating a flow of hydraulic fluid within the coupling. This fluid flow creates a hydrodynamic torque that is transferred to the output runner, driving the connected component. The fluid coupling allows for a controlled slip between the input and output, allowing the driven component to start smoothly and gradually reach its desired speed.

In hydraulic drive systems, fluid couplings offer several advantages:

  • Smooth Torque Transmission: Fluid couplings provide smooth torque transmission, reducing shocks and vibrations in the system.
  • Overload Protection: Fluid couplings can protect the drive system from overloads by allowing some slip in the event of sudden changes in load or jamming of the driven component.
  • Speed Control: By controlling the flow of hydraulic fluid, the speed of the driven component can be precisely regulated.
  • Energy Efficiency: Fluid couplings can help improve energy efficiency by reducing mechanical losses and optimizing power transmission.

Hydraulic drive systems with fluid couplings are commonly used in various industrial applications, including conveyor systems, mining equipment, marine propulsion, and more. They offer reliable and efficient power transmission while protecting the machinery from excessive loads and shocks.

It’s essential to consider the specific requirements of the hydraulic drive system and the characteristics of the fluid coupling to ensure optimal performance and efficiency in the application.

fluid coupling

Types of Fluid Used in Fluid Couplings

Various types of fluids can be used in fluid couplings depending on the specific application and requirements. Some common types of fluids used in fluid couplings include:

  • Oil: Mineral oil is one of the most commonly used fluids in fluid couplings. It offers good lubrication properties and thermal stability, making it suitable for a wide range of operating conditions. Oil-based fluids are generally cost-effective and readily available.
  • Water-Glycol: Water-glycol mixtures are often used in fluid couplings that require fire-resistant properties. These mixtures provide improved cooling and are less flammable compared to pure oil fluids. They are commonly used in applications where fire safety is a concern, such as in mining and underground operations.
  • Synthetic Fluids: Synthetic fluids, such as synthetic oils and silicone-based fluids, offer enhanced performance characteristics over mineral oils. They can withstand higher temperatures and provide better thermal stability, making them suitable for more demanding industrial applications.
  • Biodegradable Fluids: In environmentally sensitive applications, biodegradable fluids are used to reduce the environmental impact in case of accidental leaks or spills. These fluids are designed to break down naturally and are commonly used in applications like forestry and marine operations.

The choice of fluid depends on factors such as the required power transmission efficiency, operating temperature, fire safety requirements, and environmental considerations. It is essential to select the appropriate fluid that matches the specific needs of the fluid coupling and the machinery or equipment it is used in.

China Good quality CHINAMFG Customized Hydraulic Couplings, Hydraulic Coupling for Crane, Hydraulic Fluid Couplings  China Good quality CHINAMFG Customized Hydraulic Couplings, Hydraulic Coupling for Crane, Hydraulic Fluid Couplings
editor by CX 2023-12-01