Product Description

                                    Grid Flexible Coupling Shaft Coupling (JS)
JS grid coupling vibration, JS grid coupling and long service life. JS grid coupling under high load range, JS grid coupling starting safety, high transmission efficiency, reliable operation.
Feature:
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.

Model	Tn KN.m	(n) r/min	d	L	L0	L2	D	D1	t	kg	kg
												y	x	a
JS1	0.045	4500	18-22	47	97	66	95	–	3	1.91	0.571	0.15	±0.3	0.076
JS2	0.14	4500	22-35	47	97	68	105	–	3	2.59	0.041	0.15	±0.3	0.076
JS3	0.224	4500	25-42	50	103	70	115	–	3	3.36	0.054	0.15	±0.3	0.076
JS4	0.4	4500	32-60	60	123	80	130	–	3	5.45	0.068	0.20	±0.3	0.10
JS5	0.63	4350	40-56	63	129	92	150	–	3	7.26	0.086	0.20	±0.3	0.127
JS6	0.90	4125	48-65	76	155	95	160	–	3	10.4	0.113	0.20	±0.3	0.127
JS7	1.80	3600	55-80	89	181	116	190	–	3	17.7	0.172	0.20	±0.3	0.15
JS8	3.15	3600	65-95	98	199	122	210	–	3	25.4	0.254	0.20	±0.3	0.18
JS9	5.6	2440	75-110	120	245	155	250	–	5	42.2	0.426	0.25	±0.5	0.20
JS10	8.0	2250	85-120	127	259	162	270	–	5	54.5	0.508	0.25	±0.5	0.23
JS11	12.5	2571	90-140	149	304	192	310	–	6	81.3	0.735	0.28	±0.6	0.25
JS12	18	1800	110-170	162	330	195	346	–	6	121	0.908	0.28	±0.6	0.30
JS13	25	1650	120-200	184	374	201	384	–	6	178	1.135	0.28	±0.6	0.33
JS14	35.5	1500	140-200	183	372	271	450	391	6	234	1.952	0.30	±0.6	0.40
JS15	50	1350	160-240	198	402	279	500	431	6	317	2.815	0.30	±0.6	0.45
JS16	63	1225	180-280	216	438	304	566	487	6	448	3.496	0.30	±0.6	0.5
JS17	90	1100	200-300	239	484	322	630	555	6	620	3.76	0.38	±0.6	0.56
JS18	125	1050	240-320	260	526	356	675	608	6	776	4.4	0.38	±0.6	0.6
JS19	160	900	280-360	280	566	355	756	660	6	1058	5.63	0.38	±1.3	0.68
JS20	224	820	300-380	305	623	432	845	751	13	1426	10.5	0.46	±1.3	0.74
JS21	315	730	320-420	325	663	490	920	822	13	1787	16.1	0.46	±1.3	0.8
JS22	400	680	340-450	345	703	546	1000	905	13	2269	24.1	0.48	±1.3	0.89
JS23	500	630	360-480	368	749	648	1087	–	13	2951	33.8	0.48	±1.3	0.96
JS24	630	580	400-460	401	815	698	1180	–	13	3836	50.2	0.5	±1.3	1.07
JS25	800	540	420-500	432	877	762	1260	–	13	4686	67.2	0.5	±1.3	1.77

Product Pictures

Company Profile

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 shafts 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 new models when there are new cars in the market.

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

FAQ

Q 1: Are you a trading company or a 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 customers with customized PDF or AI format artwork.

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 an excellent price principle, when you make the bulk order the cost of the sample will be deducted.

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

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

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:1) T/T. 

♦Contact Us

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

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Can mechanical couplings compensate for shaft misalignment and vibrations?

Yes, mechanical couplings can compensate for shaft misalignment and vibrations to a certain extent, depending on their design and flexibility. The ability to accommodate misalignment and dampen vibrations is a key feature of many mechanical couplings, making them suitable for a wide range of applications. Here’s how they achieve these compensatory functions:

1. Shaft Misalignment Compensation:

Mechanical couplings, especially flexible couplings, are designed to handle various types of shaft misalignment, which can occur due to installation errors, thermal expansion, or dynamic loads. The following types of misalignment can be compensated by specific couplings:

• Angular Misalignment: Some flexible couplings, like Oldham couplings or universal couplings (Hooke’s joints), can accommodate angular misalignment between the shafts.
• Parallel Misalignment: Elastomeric or rubber couplings, such as jaw couplings or tire couplings, can compensate for parallel misalignment.
• Axial Misalignment: Certain types of flexible couplings, like beam couplings or bellows couplings, can tolerate axial misalignment.

2. Vibration Damping:

Flexible couplings are particularly effective at dampening vibrations in mechanical systems. The flexible elements or materials used in these couplings absorb vibrations caused by imbalances or dynamic loads, reducing the transmission of vibrations to connected components. This feature helps in:

• Reducing wear and fatigue on bearings, gears, and other components.
• Minimizing noise and improving the overall system’s smooth operation.
• Protecting sensitive equipment from excessive vibrations.

3. Limitations:

While mechanical couplings can compensate for some degree of misalignment and dampen vibrations, they have limitations:

• Excessive misalignment: Couplings have their specified misalignment limits. If misalignment exceeds these limits, it may lead to premature wear or coupling failure.
• High-frequency vibrations: Some couplings may not effectively dampen high-frequency vibrations, and additional measures might be needed to control vibrations in such cases.
• Resonance: Couplings can introduce or exacerbate resonance in a system if not selected properly for the application.

Overall, mechanical couplings with misalignment compensation and vibration damping properties play a crucial role in ensuring smooth and reliable operation of mechanical systems. Proper selection and installation of the appropriate coupling based on the specific application requirements are essential to maximize their compensatory capabilities.

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Do mechanical couplings require regular maintenance, and if so, how often?

Yes, mechanical couplings do require regular maintenance to ensure their optimal performance and longevity. The frequency of maintenance depends on various factors, including the type of coupling, the application’s operating conditions, and the manufacturer’s recommendations. Here are some general guidelines for the maintenance of mechanical couplings:

1. Visual Inspection:

Perform regular visual inspections of the coupling to check for signs of wear, damage, or misalignment. Inspect for any corrosion, cracks, or wear on the coupling components.

2. Lubrication:

Some mechanical couplings, especially those with moving parts or sliding surfaces, require periodic lubrication. Follow the manufacturer’s recommendations regarding the type and frequency of lubrication.

3. Torque Verification:

Check the tightness of fasteners, such as set screws or bolts, to ensure that the coupling is securely attached to the shafts. Loose fasteners can lead to misalignment and reduced performance.

4. Alignment Check:

Regularly check the alignment of the connected shafts to ensure that the coupling is operating within its design limits. Misalignment can lead to premature wear and reduced coupling efficiency.

5. Replacement of Worn Components:

If any coupling components show signs of wear or damage beyond acceptable limits, replace them promptly to prevent further issues.

6. Operating Condition Analysis:

Monitor the operating conditions of the mechanical system and assess whether any changes have occurred that may affect the coupling’s performance. Environmental conditions, load variations, and other factors can impact the coupling’s wear rate.

7. Manufacturer’s Guidelines:

Always follow the maintenance recommendations provided by the coupling manufacturer. The manufacturer’s guidelines may include specific inspection intervals and maintenance procedures tailored to the coupling type and application.

The maintenance frequency for mechanical couplings can vary from monthly inspections for high-demand applications to annual inspections for less demanding conditions. In some cases, couplings in critical systems may require more frequent inspections to ensure their reliability.

Implementing a proactive maintenance program for mechanical couplings helps identify potential issues early and prevents unexpected failures that can lead to costly downtime and repairs. Regular maintenance extends the life of the coupling, improves system efficiency, and enhances overall operational safety.

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Types of mechanical couplings and their specific uses in various industries.

Mechanical couplings come in various types, each designed to meet specific needs in different industries. Here are some common types of mechanical couplings and their specific uses:

1. Flexible Couplings:

Flexible couplings are versatile and widely used in industries such as:

• Industrial Machinery: Flexible couplings are used in pumps, compressors, fans, and other rotating equipment to transmit torque and absorb vibrations.
• Automotive: Flexible couplings are used in automotive powertrain systems to connect the engine to the transmission and accommodate engine vibrations.
• Railway: Flexible couplings are employed in railway systems to connect the diesel engine to the generator or alternator and accommodate dynamic forces during train movement.

2. Rigid Couplings:

Rigid couplings are mainly used in applications that require precise alignment and high torque transmission, such as:

• Mechanical Drives: Rigid couplings are used in gearboxes, chain drives, and belt drives to connect shafts and maintain accurate alignment.
• Pumps and Compressors: Rigid couplings are used in heavy-duty pumps and compressors to handle high torque loads.
• Machine Tools: Rigid couplings are employed in machine tool spindles to ensure precise rotational motion.

3. Gear Couplings:

Gear couplings are suitable for high-torque applications and are commonly found in industries such as:

• Steel and Metal Processing: Gear couplings are used in rolling mills, steel mills, and metal processing machinery to transmit high torque while accommodating misalignment.
• Mining: Gear couplings are employed in mining equipment to handle heavy loads and transmit torque in harsh conditions.
• Crushers and Conveyors: Gear couplings are used in material handling systems to drive crushers, conveyors, and other equipment.

4. Disc Couplings:

Disc couplings are used in various industries due to their high torsional stiffness and ability to handle misalignment. Some applications include:

• Gas Turbines: Disc couplings are used in gas turbine power generation systems to transmit torque from the turbine to the generator.
• Petrochemical: Disc couplings are employed in pumps, compressors, and agitators used in the petrochemical industry.
• Marine: Disc couplings are used in marine propulsion systems to connect the engine to the propeller shaft.

5. Universal Couplings (Hooke’s Joints):

Universal couplings find applications in industries where angular misalignment is common, such as:

• Aerospace: Universal couplings are used in aircraft control systems to transmit torque between flight control surfaces.
• Automotive: Universal couplings are employed in steering systems to allow for angular movement of the wheels.
• Shipbuilding: Universal couplings are used in marine propulsion systems to accommodate misalignment between the engine and propeller shaft.

These examples demonstrate how different types of mechanical couplings are employed across various industries to facilitate torque transmission, accommodate misalignment, and ensure efficient and reliable operation of different mechanical systems.

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editor by CX 2024-05-06