China wholesaler CHINAMFG Js300 Series Elastic Full Demount Flexible Grid Couplings

Product Description

JS300 Series Full Demount Type Grid Coupling

♦Description
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.
♦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.

♦Basic Parameter and Main Dimension

Model	Norminal Torque Nm	Speed r/min	Y,Z Bore d1,d2		D	BE		A	L	F	Clearance (K)	Oil injection Kg	No bore mass Kg
			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	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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Materials Used in Manufacturing Grid Couplings

Grid couplings are designed to withstand high torque and provide flexibility while transmitting power in various industrial applications. The materials used in manufacturing grid couplings are chosen for their mechanical properties and durability. The common materials include:

• Cast Iron: Cast iron is a popular choice for the grid, hub, and outer flange components of the coupling. It offers excellent strength and wear resistance, making it suitable for heavy-duty applications.
• Steel: Steel is often used for the grid element or grid springs. It provides the required flexibility and resilience to handle misalignments and shock loads effectively.
• Alloy Steel: Alloy steel may be used for certain high-performance grid couplings. It offers enhanced strength and toughness, making it suitable for demanding industrial environments.
• Stainless Steel: Stainless steel is employed when corrosion resistance is a primary concern. It is commonly used in couplings for applications in corrosive or hygienic environments.
• Non-Metallic Materials: Some modern grid couplings use non-metallic materials, such as high-strength composites or synthetic polymers, for the grid element. These materials offer excellent dampening properties, reduce noise, and prevent electrical conductivity.

The specific material selection depends on factors like the application requirements, environmental conditions, and the level of load and torque the coupling needs to handle. Manufacturers carefully engineer grid couplings to ensure they meet the performance demands of the intended application while providing reliable and efficient power transmission.

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Can motor couplings handle reversing loads and shock loads effectively?

Motor couplings are designed to handle various types of loads, including reversing loads and shock loads, effectively. Let’s explore their capabilities in dealing with these load conditions:

1. Reversing Loads

Reversing loads occur when the direction of the transmitted torque alternates periodically. Motor couplings, especially flexible couplings and universal couplings (Hooke’s joints), are well-suited for handling reversing loads. These couplings can accommodate angular misalignments between the motor and driven load, allowing for smooth torque transmission even during direction changes. Properly aligned and maintained couplings can endure frequent reversals without significant wear or fatigue.

2. Shock Loads

Shock loads refer to sudden and intense forces that exceed the typical operating conditions. These loads can occur due to abrupt starts, stops, or impacts in the system. Motor couplings, particularly those with some level of flexibility, possess inherent shock-absorbing properties. Flexible couplings can dampen the impact of sudden loads, reducing the stress on connected components and preventing damage. Rigid couplings are less forgiving to shock loads but may still be suitable for certain applications where the impact is within their load-bearing capacity.

However, it’s essential to consider the specific application requirements and choose the appropriate coupling type based on the expected load conditions. Factors such as the magnitude and frequency of reversing and shock loads, system dynamics, and the overall design should be considered when selecting a motor coupling. Additionally, regular maintenance and inspection play a crucial role in ensuring that the couplings continue to perform effectively under challenging load conditions.

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How to Properly Install a Grid Coupling for Reliable Performance

Proper installation of a grid coupling is crucial for ensuring reliable performance and maximizing its lifespan. Here are the steps to install a grid coupling correctly:

1. Preparation: Before installation, ensure that the shafts and coupling hubs are clean and free from any debris or contaminants. Inspect the grid coupling and its components for any signs of damage or wear.
2. Align the Shafts: Make sure that the shafts to be connected are properly aligned. Grid couplings can accommodate some degree of misalignment, but it is essential to minimize it for optimal performance.
3. Assemble the Grid: Insert the serrated grid element between the two coupling hubs. Ensure that the grid is centered and aligned with the hubs’ teeth.
4. Tighten the Fasteners: Use the appropriate torque wrench to tighten the fasteners that secure the coupling hubs together. Follow the manufacturer’s recommended torque values to avoid over-tightening or under-tightening.
5. Check Runout: After installation, check the coupling’s runout by rotating the connected shafts. Excessive runout indicates a potential misalignment or installation issue.
6. Lubrication: Some grid couplings require lubrication for optimal performance. Refer to the manufacturer’s guidelines and apply the recommended lubricant to the coupling components.
7. Check for Smooth Operation: Start the machinery and observe the coupling’s operation. Listen for any unusual noises or vibrations that may indicate a problem. If any issues are detected, stop the machinery and inspect the coupling again.
8. Regular Maintenance: Schedule regular maintenance checks to ensure the coupling’s ongoing reliability. Inspect for signs of wear, misalignment, or damage, and replace any worn or damaged components as needed.

It is essential to follow the manufacturer’s installation guidelines and recommendations specific to the grid coupling model being used. Proper installation and regular maintenance will ensure the grid coupling performs reliably and efficiently, providing effective power transmission in industrial machinery and equipment.

editor by CX 2024-03-02