China best CHINAMFG Js3500 Series Metallurgy Lifting Machinery Half Demount Flexible Grid Couplings

Product Description

JS3500 Series Half Demount Flexible Grid Couplings

♦Description

The flexible nature of the spring-like mesh reduces the magnitude of CHINAMFG loads by dissipating and absorbing impact energy over time, and the short-term overload capacity is twice the rated torque, greatly increasing mesh coupling torque.

Widely used in heavy machinery and general machinery.

Allows higher speeds with good axial, radial and angular compensation capabilities.

High transmission efficiency. The transmission efficiency is as high as 99.47%.

Simple structure and convenient disassembly and assembly.

Good damping effect to avoid resonance.

♦Basic Parameter and Main Dimension

Type	Norminal Torque Nm	Permit Speed  r/min	Hole d1,d2		D	BE		A	F	L	Clearance K	Grease Kg	Without bore Weight Kg
			max	min		min	max
JS3501	45	3600	28	14	98	45	100	40	40	52	3	0.03	2.9
JS3502	125	3600	35	14	110	45	110	50	40	52	3	0.03	3.9
JS3503	224	3600	42	14	120	45	110	55	41	52	3	0.06	5.9
JS3504	400	3600	48	14	138	55	110	65	45	62	3	0.06	9
JS3505	630	3600	55	19	155	65	165	75	52	62	3	0.09	13.5
JS3506	900	3600	65	19	170	65	165	90	55	62	3	0.09	17.5
JS3507	1800	3500	75	28	195	95	205	105	66	112	4	0.17	28.5
JS3508	3150	3500	85	28	212	95	205	125	70	112	4	0.26	42.5
JS3509	5600	2450	100	42	248	105	205	140		142	6	0.43	70.5
JS3510	8000	2300	110	42	274	105	205	160		142	6	0.51	95
JS3511	12500	2000	125	60	324	125	205	180		142	6	0.74	138
JS3512	18000	1800	150	70	368	130	205	220		172	6	0.91	187
JS3513	25000	1600	180	70	400	135	205	255		172	6	1.14	257
JS3514	35500	1500	200	110	458	175	190	270		212	6	1.9	340
JS3515	50000	1300	220	120	500	180	205	305		212	6	2.8	430
JS3516	63000	1200	250	130	565	195	225	360		252	6	3.5	636
JS3517	90000	1100	275		610	200	250	395		252	6	3.7	852
JS3518	125000	1000	305		675	210	270	440		302	6	4.4	1118
JS3519	180000	900	330		755	225	290	500		302	6	5.6	1445

Note: d1 is specified as the molecule(active end dimension) in the marking example, please specify otherwise if the user has special requirements. 

♦Other Products List

Transmission Machinery  Parts Name	Model
Universal Coupling	WS,WSD,WSP
Cardan Shaft	SWC,SWP,SWZ
Tooth Coupling	CL,CLZ,GCLD,GIICL, GICL,NGCL,GGCL,GCLK
Disc Coupling	JMI,JMIJ,JMII,JMIIJ
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.

♦FAQ
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

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Is it Possible to Replace a Motor Coupling Without Professional Assistance?

Replacing a motor coupling can be a relatively straightforward task, and it is possible to do it without professional assistance, depending on your level of mechanical skill and experience. However, it is essential to exercise caution and follow proper procedures to ensure a successful replacement and prevent any potential damage.

If you have a basic understanding of mechanical systems and tools, you can attempt to replace a motor coupling by following these general steps:

1. Turn Off Power: Before starting any work, make sure to turn off the power supply to the motor to prevent accidents.
2. Access the Coupling: Locate the motor coupling, which connects the motor shaft to the driven shaft or load. It is often situated near the motor or at the input of the driven equipment.
3. Remove Guards and Covers: If applicable, remove any guards or covers that may be concealing the coupling and motor assembly.
4. Loosen Fasteners: Loosen and remove the fasteners, such as set screws or bolts, that secure the coupling halves to the motor and driven shafts.
5. Remove Old Coupling: Carefully slide or separate the old coupling from the motor and driven shafts.
6. Install New Coupling: Place the new coupling onto the motor and driven shafts, ensuring proper alignment and engagement.
7. Tighten Fasteners: Securely tighten the fasteners to hold the new coupling in place.
8. Check Alignment: Verify that the motor and driven shafts are aligned properly to prevent premature wear and damage to the new coupling.
9. Replace Guards and Covers: Once the new coupling is installed and aligned, replace any guards or covers that were removed.
10. Turn On Power: After completing the replacement, turn the power supply back on and test the motor and driven equipment for proper operation.

While the process seems straightforward, it is essential to refer to the specific instructions provided by the manufacturer of the motor and coupling. Some couplings may have unique installation requirements, and following the manufacturer’s guidelines ensures optimal performance and safety.

If you are unsure about any aspect of the replacement process or encounter difficulties during the procedure, it is recommended to seek assistance from a qualified professional or a trained technician to avoid any potential damage to the motor or equipment.

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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.

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What is a Grid Coupling and How Does It Work in Mechanical Power Transmission?

A grid coupling is a type of flexible coupling used in mechanical power transmission systems to connect two shafts and transmit torque between them. It consists of two hubs with a serrated grid element sandwiched between them.

Here’s how a grid coupling works in mechanical power transmission:

1. Hub Assembly: The grid coupling has two hubs, one attached to each shaft that needs to be connected. These hubs can be flanged or cylindrical in shape.
2. Serrated Grid Element: The grid coupling’s unique feature is the serrated grid element made of spring steel or stainless steel. This grid sits between the two hubs and resembles a flexible grid structure.
3. Connecting the Hubs: The two hubs are brought together, and the serrated grid element is placed between them. The hubs’ teeth mesh with the grid’s slots, creating a flexible and resilient connection.
4. Transmitting Torque: When torque is applied to one shaft, it gets transferred to the grid, which deforms slightly under the load. This deformation allows the serrated grid to absorb shocks, vibrations, and misalignments between the two shafts.
5. Angular Misalignment: The grid coupling can accommodate angular misalignments between the connected shafts due to its flexible grid structure. It allows for some angular movement without causing undue stress on the system.
6. Radial Misalignment: The coupling can also handle small radial misalignments between the shafts, ensuring smoother operation and reduced wear on the machinery.
7. Torsional Flexibility: The serrated grid element provides torsional flexibility, allowing the coupling to absorb torsional shock loads and dampen vibrations during operation.

Grid couplings are known for their ability to protect connected equipment from excessive loads, shocks, and vibrations, making them ideal for applications in various industries such as mining, pulp and paper, steel mills, and power generation.

Additionally, grid couplings are relatively easy to install and require minimal maintenance, making them a popular choice for many power transmission systems.

editor by CX 2023-12-26