China Custom CHINAMFG Js300 Series Elastic Full Demount Flexible Grid Couplings

Product Description

JS300 Series Full Demount Type Grid Coupling

Grid Coupling is widely used in metallurgy, mining, lifting, transportation, petroleum, chemical, ships, textile, light industry, agricultural machinery, printing machines and pumps, fans, compressors, machine tools and other mechanical equipment and industry shaft transmission.
1.The serpentine spring as the elastic element, the elastic strong at the same time, greatly improves the grid coupling torque, widely used in heavy machinery and general machinery. The serpentine spring special technology department, has long service life, allowing higher speed, has good ability to compensate in the axial, radial and angle.

2.High transmission efficiency, start safety. Transmission efficiency of up to 99.47%, short-time overload capacity is 2 times the rated torque, operation safety.

3.Simple structure, convenient assembly and disassembly, long service life.

4.Damping effect is good to avoid the resonance.

♦Basic Parameter and Main Dimension

Model Norminal
Y,Z Bore
D BE A L F Clearance (K) Oil injection
No bore mass
Max Min Min Max
JS301 45 3600 28 14 98 90 200 40 52 28 3 0.03 3.8
JS302 125 3600 35 14 110 90 220 50 52 32 3 0.03 5.2
JS303 224 3600 42 14 120 90 220 55 52 38 3 0.06 8.4
JS304 400 3600 48 14 138 110 220 65 62 40 3 0.06 12.4
JS305 630 3600 55 19 155 130 330 75 62 43 3 0.09 19.5
JS306 900 3600 65 19 170 130 330 90 82 47 3 0.09 24.4
JS307 1800 3500 75 28 195 190 410 105 112 50 4 0.17 39
JS308 3150 3500 85 28 212 190 410 125 112 57 4 0.26 60
JS309 5600 2450 100 42 248 210 410 140 142 6 0.43 98
JS310 8000 2300 110 42 274 210 410 160 142 6 0.51 136
JS311 12500 2000 125 60 324 250 410 180 142 6 0.74 195
JS312 18000 1800 150 70 368 260 410 220 172 6 0.91 257
JS313 25000 1600 180 70 400 270 410 255 172 6 1.14 338
JS314 35500 1500 200 110 458 350 380 270 212 6 1.9 447
JS315 50000 1350 220 120 500 360 410 305 212 6 2.8 547
JS316 63000 1220 250 130 565 390 450 360 252 6 3.5 829
JS317 90000 1100 275 150 610 400 500 395 252 6 3.7 1090
JS318 125000 1050 305 150 675 420 540 440 302 6 4.4 1468
JS319 180000 900 330 170 755 450 580 500 302 6 5.6 1840

Note: When ordering JS300 coupling, in addition to correctly marking the model and specification according to the specified marking method, it is also required to specify the length of the dimension “BE” between the 2 shaft ends.
If not specified when ordering, the minimum “BE” size shall be used to purchase the coupling.

♦Other Products List

Transmission Machinery 
Parts Name
Universal Coupling WS,WSD,WSP
Cardan Shaft SWC,SWP,SWZ
Tooth Coupling CL,CLZ,GCLD,GIICL,
High Flexible Coupling LM
Chain Coupling GL
Jaw Coupling LT
Grid Coupling JS

♦Our Company

HangZhou CHINAMFG Machinery Manufacturing Co., Ltd. is a high-tech enterprise specializing in the design and manufacture of various types of coupling. There are 86 employees in our company, including 2 senior engineers and no fewer than 20 mechanical design and manufacture, heat treatment, welding, and other professionals.
Advanced and reasonable process, complete detection means. Our company actively introduces foreign advanced technology and equipment, on the basis of the condition, we make full use of the advantage and do more research and innovation. Strict to high quality and operate strictly in accordance with the ISO9000 quality certification system standard mode.
Our company supplies different kinds of products. High quality and reasonable price. We stick to the principle of “quality first, service first, continuous improvement and innovation to meet the customers” for the management and “zero defect, zero complaints” as the quality objective. 


Our Services
1.Design Services
Our design team has experience in cardan shaft relating to product design and development. If you have any needs for your new product or wish to make further improvements, we are here to offer our support.

2.Product Services
Raw materials → Cutting → Forging →Rough machining →Shot blasting →Heat treatment →Testing →Fashioning →Cleaning→ Assembly→ Packing→ Shipping

3.Samples Procedure
We could develop the sample according to your requirement and amend the sample constantly to meet your need.

4.Research & Development
We usually research the new needs of the market and develop the new model when there is new cars in the market.

5.Quality Control
Every step should be special test by Professional Staff according to the standard of ISO9001 and TS16949.

Q 1: Are you trading company or manufacturer?
A: We are a professional manufacturer specializing in manufacturing various series of couplings.

Q 2: Can you do OEM?
Yes, we can. We can do OEM & ODM for all the customers with customized artworks of PDF or AI format.

Q 3: How long is your delivery time?
Generally it is 20-30 days if the goods are not in stock. It is according to quantity.

Q 4: Do you provide samples? Is it free or extra ?
Yes, we could offer the sample but not for free. Actually we have a very good price principle, when you make the bulk order then cost of sample will be deducted.

Q 5: How long is your warranty?
A: Our Warranty is 12 months under normal circumstance.

Q 6: What is the MOQ?
A: Usually our MOQ is 1 pcs.

Q 7: Do you have inspection procedures for coupling ?
A: 100% self-inspection before packing.

Q 8: Can I have a visit to your factory before the order?
A: Sure,welcome to visit our factory.

Q 9: What’s your payment?
A: T/T. 

♦Contact Us

Web: huadingcoupling
Add: No.11 HangZhou Road,Chengnan park,HangZhou City,ZheJiang Province,China

/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

grip coupling

Understanding the Torque and Misalignment Capabilities of Motor Couplings

Motor couplings play a critical role in transmitting torque from the motor to the driven equipment while accommodating certain degrees of misalignment between the motor and driven shafts. The torque and misalignment capabilities of motor couplings are essential factors to consider when selecting the appropriate coupling for a specific application.

Torque Capabilities:

The torque capacity of a motor coupling refers to its ability to handle the maximum amount of torque that can be transmitted through the coupling without causing failure or damage. Couplings are designed with specific torque ratings to ensure reliable power transmission.

The torque capacity of a motor coupling depends on factors such as the material used, the size and design of the coupling, and the application requirements. High-performance couplings made of robust materials, such as steel or alloy, can handle higher torque loads and are often used in heavy-duty industrial applications.

Misalignment Capabilities:

Misalignment is a common occurrence in mechanical systems due to factors such as installation errors, thermal expansion, and dynamic forces. Motor couplings are designed to accommodate certain degrees of angular, parallel, and axial misalignment between the motor and driven shafts.

The misalignment capabilities of a motor coupling are specified as angular misalignment, parallel misalignment, and axial misalignment. Angular misalignment refers to the angle between the motor and driven shafts, parallel misalignment refers to the lateral offset between the shafts, and axial misalignment refers to the axial displacement along the shafts.

Flexible couplings, such as elastomeric or grid couplings, offer greater misalignment capabilities compared to rigid couplings like gear couplings. The ability to handle misalignment helps reduce stress on the connected equipment and prolongs the life of the coupling and other mechanical components.

Selecting the Right Coupling:

When selecting a motor coupling, it is crucial to consider the torque and misalignment requirements of the specific application. Engineers and designers need to assess the torque demands of the driven equipment and the potential misalignments that may occur during operation.

Choosing a coupling with adequate torque and misalignment capabilities ensures efficient power transmission, minimizes wear on the equipment, and prevents premature failure. Additionally, the coupling’s operating conditions, environmental factors, and service life expectations should be taken into account to make an informed coupling selection.

In summary, understanding the torque and misalignment capabilities of motor couplings is essential for optimal performance, reliability, and longevity in mechanical power transmission systems.

“`grip coupling

Explaining the concept of backlash and how it affects motor coupling performance.

Backlash is a crucial concept in motor couplings and other mechanical systems involving gears or interlocking components. It refers to the amount of clearance or play between mating components, resulting in a delay or gap before motion is transmitted from one component to the other. In the context of motor couplings, backlash can have both positive and negative effects on performance.

1. Effects of Backlash on Motor Coupling Performance:

Positive Effects:

  • Shock Absorption: Backlash in flexible couplings can act as a shock-absorbing mechanism, reducing the impact of sudden loads or vibrations on the motor and driven load. This property helps protect the motor and other connected components from damage.
  • Misalignment Compensation: Backlash allows some degree of angular, parallel, and axial misalignment between the motor and driven load. This feature is particularly beneficial in applications where precise alignment is challenging to achieve.

Negative Effects:

  • Reduced Precision: Backlash introduces a degree of play or slop in the system, leading to reduced precision and accuracy in motion transmission. This can be problematic in applications requiring tight positioning control.
  • Resonance and Vibration: Excessive backlash can lead to vibration and resonance issues, especially at high speeds. This can affect the overall performance and efficiency of the system.
  • Reversing Loads: Backlash can cause a dead zone when reversing the direction of motion. This means that before the load reverses, the clearance must be taken up, leading to potential jerks or delays in motion.

2. Controlling Backlash in Motor Couplings:

Controlling backlash is essential to optimize motor coupling performance for specific applications. Manufacturers can design couplings with varying degrees of backlash depending on the application’s requirements. For instance:

  • Low Backlash Designs: Some couplings are engineered to minimize backlash, making them suitable for applications demanding high precision and minimal play.
  • Adjustable Backlash: Certain couplings allow users to adjust the amount of clearance, enabling customization based on the specific load conditions and system requirements.
  • Preloading: Preloading is a technique used to minimize backlash by applying a slight tension or compression force between the mating components. This eliminates the clearance and enhances precision.

Ultimately, selecting the right motor coupling with the appropriate level of backlash involves considering factors such as the application’s load characteristics, required precision, speed, and potential vibration issues. Understanding and managing backlash play a critical role in maximizing the efficiency and reliability of motor couplings in various mechanical systems.

“`grip coupling

Common Industries that Use Grid Couplings and Their Applications

Grid couplings are widely used in various industries due to their ability to handle high torque, misalignments, and shock loads. Some of the common industries and their applications where grid couplings are employed include:

Industry Applications
Power Generation
  • Turbine drives
  • Generator sets
  • Boiler feed pumps
  • Condensers
Steel Mills
  • Rolling mills
  • Continuous casting machines
  • Steel processing equipment
  • Conveyors
  • Crushers
  • Excavators
Pulp and Paper
  • Pulp digesters
  • Paper machines
  • Chippers
Chemical Processing
  • Pumps and compressors
  • Mixers and agitators
  • Reactors
Oil and Gas
  • Pumps and compressors
  • Extraction equipment
  • Drilling rigs
Water and Wastewater
  • Water pumps
  • Aeration systems
  • Sludge pumps

Grid couplings are favored in these industries because they offer reliable performance in demanding applications, helping to ensure smooth operation and reduced downtime. Their ability to accommodate misalignments and dampen vibrations makes them suitable for various heavy-duty machinery and equipment.

China Custom CHINAMFG Js300 Series Elastic Full Demount Flexible Grid Couplings  China Custom CHINAMFG Js300 Series Elastic Full Demount Flexible Grid Couplings
editor by CX 2024-02-04

grid coupling

As one of leading grid coupling manufacturers, suppliers and exporters of products, We offer grid coupling and many other products.

Please contact us for details.

Mail:[email protected]

Manufacturer supplier exporter of grid coupling.


Recent Posts