China factory Newest Sliver Rigid Fluid Diaphragm Coupling

Product Description

Diaphragm Coupling Shaft Coupling (JMI)

JM Series Diaphragm Coupling of flexible metal flexible coupling, which rely on the metal diaphragm to transmit torque from the main connection, motivation, has the advantages of elastic damping and no lubrication, no noise, is an ideal product for replacing the gear coupling and coupling current. It can compensate the axial, radial and angular deviation caused by the manufacturing error, installation error, bearing deformation and the change of temperature rise.
The main characteristics of JM Series Diaphragm Coupling:
1.Compensation 2 axis misalignment of the ability, and tooth type coupling can be much more than a double angle displacement, radial displacement of the small, flexible, allowing a certain axial, radial and angular displacement.
2. Obvious damping effect, no noise, no wear and tear.
3.High transmission efficiency, up to 99.86%. Especially suitable for medium and high speed high power transmission.
4.Adapt to high temperature (-80+300) and harsh environment, and can be in shock, vibration, safety and dynamic conditions.
5.Simple structure, light weight, small size, convenient assembly and disassembly. Without moving the machine can be disassembled (with intermediate type), no need of lubrication.
6.Accurately convey the rotational speed, the operation has not turned bad, can be used for the transmission of precision machinery.
JM series diaphragm flexible coupling is widely used in machinery and equipment industry, metallurgy, mines, petroleum, chemical, electric power, shipbuilding, lifting transport, textile, light industry, agricultural machinery, printing machinery and water pump, fan, etc. in the transmission of power machine.

NO	Tn /N·m	Tmax /N·m	[n] /r·mi -1	d (H7)					D	C N·m/rad	t	I kg·m 2 ≈	m /kg ≈
					Y	J,J1, Z		L
					L	L	L1
JMI1	25	80	6000	14	32	–	J1 27 Z1 20	35	90	1×10 4	8.8	0.0007	1
				16,18,19	42		30
				20,22	52		38
JMI2	63	180	5000	18,19	42	–	30	45	100	1.4×10 4	9.5	0.001	1.3
				20,22,24	52		38
				25	62		44
JMI3	100	315	5000	20,22,24	52	–	38	50	120	1.87×10 4	11	0.0571	2.3
				25,28	62		44
				30	82		60
JMI4	160	500	4500	24	52	–	38	55	130	3.12×10 4	12.5	0.0037	3.3
				25,28	62		44
				30,32,35	82		60
JMI5	250	710	4000	28	62	–	44	60	150	4.32×10 4	14	0.0083	5.3
				30,32,35,38	82		60
				40	112		84
JMI6	400	1120	3600	32,35,38	82	82	60	65	170	6.88×10 4	15.5	0.0159	8.7
				40,42,45 ,48,50	112	–	84
JMI7	630	1800	3000	40,42	112	112	84	70	210	10.35×10 4	19	0.571	14.3
				45,45,50 ,55,56		–
				60	142		107
JMI8	1000	2500	2800	45,48	112	112	84	80	240	16.11×10 4	22.5	0. 0571	22
				50,55,56		–
				60,63,65,70	142		107
JMI9	1600	4000	2500	55,56	112	112	84	85	260	26.17×10 4	24	0.1415	29
				60,63,65 ,70,71,75	142	–	107
				80	172		132
JMI10	2500	6300	2000	63,65,70 ,71,75	142	142	107	90	280	7.88×10 4	17	0.2974	52
				80,85,90,95	172	–	132
JMI11	4000	9000	1800	75	142	142	107	95	300	10.49×10 4	19.5	0.4782	69
				80,85,90,95	172	–	132
				100,110	212		167
JMI12	6300	12500	1600	90,95	172	–	132	120	340	14.07×10 4	23	0.8067	94
				100,110 ,120 ,125	212		167
JMI13	10000	18000	1400	100,110 ,120,125	212	–	167	135	380	19.23×10 4	28	1.7053	128
				130,140	252		202
JMI14	16000	28000	1200	120,125	212	–	167	150	420	30.01×10 4	31	2.6832	184
				130,140,150	252		202
				160	302		242
JMI15	25000	40000	1120	140,150	252	–	202	180	480	47.46×10 4	37.5	4.8015	263
				160,170,180	302		242
JMI16	40000	56000	1000	160,170,180	302	–	242	200	560	68.09×10 4	41	9.4118	384
				190,200	352		282
JMI17	63000	80000	900	190,200,220	352	–	282	220	630	101.3×10 4	47	18.3753	561
				240	410		330
JMI18	100000	125000	800	220	352	–	282	250	710	161.4×10 4	54.5	28.2033	723
				240,250,260	410		330
JMI19	160000	200000	700	250,260	410	–	330	280	800	79.3×10 4	48	66.5813	1267
				280,300,320	470		380

Detailed Photos

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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Fluid Couplings in Conjunction with Electric Motors

Yes, fluid couplings can be used in conjunction with electric motors to provide a reliable and efficient power transmission solution. When coupled with an electric motor, the fluid coupling serves as a mechanical torque converter, enabling smooth start-ups and gradual acceleration of the driven load.

The combination of a fluid coupling and an electric motor offers several advantages:

Soft Start: When the electric motor is switched on, it accelerates gradually as the fluid coupling allows the torque to build up slowly. This soft start feature reduces mechanical stress on the driven equipment and minimizes the impact on the electrical supply, preventing voltage drops and surges.
Overload Protection: Fluid couplings can automatically disengage when the load exceeds a certain threshold, providing overload protection to both the motor and the driven equipment. This feature helps prevent damage to the system during abrupt load changes or stall conditions.
Vibration Damping: The fluid in the coupling acts as a damping medium, reducing vibration and shock loads during start-ups and sudden load changes. This contributes to smoother operation and extends the lifespan of the connected machinery.
Energy Efficiency: By facilitating soft start and controlling torque transmission, fluid couplings improve the energy efficiency of the system. They reduce the inrush current during start-up, which can lead to significant energy savings in the long run.
Variable Speed Control: In some configurations, fluid couplings can be combined with Variable Frequency Drives (VFDs) to provide variable speed control. The VFD regulates the speed of the electric motor, while the fluid coupling ensures smooth and controlled power transmission to the driven equipment.

Overall, the combination of a fluid coupling with an electric motor is a versatile solution that finds applications in various industries. It allows for reliable and controlled power transmission, protecting both the motor and the driven equipment while improving system efficiency.

Safety Features in Modern Fluid Coupling Designs

Modern fluid coupling designs incorporate various safety features to ensure the reliable and secure operation of the equipment. Here are some of the key safety features commonly found in modern fluid couplings:

1. Overload Protection: One of the primary safety features in modern fluid couplings is overload protection. In the event of an abrupt increase in load or torque, the fluid coupling slips, absorbing the excess torque and preventing damage to the connected equipment. This feature safeguards against mechanical failures and protects the machinery.

2. Torque Limiting: Fluid couplings are designed with torque limiting capabilities, which allow them to control the maximum torque transmitted to the driven equipment. By setting the torque limit within a safe operating range, the fluid coupling prevents excessive stresses on the system, ensuring longevity and reliability.

3. Automatic Overheat Protection: Some fluid couplings are equipped with automatic overheat protection mechanisms. If the fluid coupling’s operating temperature exceeds a predefined threshold, the protection system disengages the coupling temporarily until the temperature returns to a safe level. This prevents damage due to overheating and enhances safety.

4. Backstop or Holdback Device: In certain applications where reverse rotation is a concern, fluid couplings may include a backstop or holdback device. This feature prevents the driven equipment from rotating in the opposite direction, enhancing safety during sudden stops or reversals.

5. Fail-Safe Operation: Many modern fluid couplings are designed to operate in a fail-safe manner. In the event of any malfunction or failure, the coupling defaults to a safe mode, allowing the equipment to continue operating at reduced capacity or gradually shut down, avoiding catastrophic failures.

6. Seal Protection: Proper sealing is crucial for fluid couplings, especially in harsh environments. Modern designs often include advanced seal protection features to prevent oil leakage and contamination, ensuring environmental safety and reducing maintenance requirements.

7. Low Noise and Vibration: Reduced noise and vibration levels in fluid couplings contribute to operator safety and comfort. The damping properties of the fluid coupling help minimize vibrations, creating a quieter and more stable working environment.

8. Emergency Stop Capability: Some fluid couplings may have emergency stop provisions to quickly disengage the coupling in critical situations. This feature allows for rapid shutdowns in emergencies, preventing accidents and protecting personnel.

9. Condition Monitoring: Advanced fluid coupling designs may include condition monitoring capabilities. This allows operators to monitor the coupling’s performance, temperature, and other parameters in real-time, facilitating predictive maintenance and avoiding unexpected failures.

Overall, the incorporation of these safety features in modern fluid coupling designs ensures the protection of machinery, operators, and the surrounding environment. These safety measures enhance the reliability, efficiency, and longevity of equipment, making fluid couplings a safe and valuable choice for power transmission in various industrial applications.

Principle of Hydrodynamic Fluid Coupling

A hydrodynamic fluid coupling operates on the principle of hydrokinetics, utilizing hydraulic fluid to transmit power between an engine or prime mover and a driven load. The key components of a fluid coupling are the impeller, the turbine, and the housing filled with hydraulic fluid.

Here’s how the principle works:

Impeller: The impeller is connected to the engine’s crankshaft and is responsible for driving the hydraulic fluid. As the impeller rotates, it creates a flow of fluid within the housing.
Fluid Flow: The rotational motion of the impeller causes the fluid to move radially outward, towards the housing walls. This generates a high-velocity fluid flow in the housing.
Turbine: The turbine is connected to the driven load, such as a transmission or machinery input shaft. As the fluid flows onto the blades of the turbine, it causes the turbine to rotate.
Power Transmission: The kinetic energy of the high-velocity fluid is transferred to the turbine, resulting in the rotation of the driven load. The power transmission is achieved purely through the hydrodynamic effect of the fluid flow.
Slip: In a fluid coupling, there is always a slight difference in speed (slip) between the impeller and the turbine. This slip is necessary to allow the fluid to accelerate from rest to the speed of the turbine. As a result, the output speed of the driven load is always slightly less than the input speed from the engine.

Hydrodynamic fluid couplings provide several advantages, such as smooth power transmission, overload protection, and torsional vibration dampening. However, they do not provide torque multiplication like torque converters do, making them more suitable for applications where precise speed matching is required.

editor by CX 2024-02-27

Company Video

Our Service
1. Installation & adjustment
After the equipment are arrived at the customer’s site, the customer is responsible for unpacking and arranging the equipment according to the placement drawing; and does under our install-adjust technicians’ guidance. Costs of the staff are decided at last.
2. Training
1) We are responsible for offering the technical training to user. The training content includes the structure and maintenance of the equipment, control and operation of the equipment. Through training, users’technical staff can grasp and the skill of operation and maintenance proficiently, and deal with the general troubles in time. We will appoint qualified technical staff for the guidance.
2) The buyer can send staff to our company for learning.
3. Quality assurance
1) We guarantee the goods offered are brand-new, not used, with latest design and suitable material made, and we guarantee the specification of the equipment is consonance with the contract.
2) We guarantee the line achieve product technical performance indicators within 5 days after feeding operation through the correct guidance of the installation and commissioning.
3) We are responsible for the fault and damage of the production line caused by our design, technology, manufacture, installation, adjustment and material defect etc. that all belong to our responsibility.
4) The warranty period is 12 months after acceptance check of the production line. If there is any different between the furnished equipment in the customer’s factory and the equipment concerned in the contract, the users have the right to pass the inspection book to the legal department to claim for compensation to our company within goods warranty period.

Due to our sincerity in offering best service to our clients, understanding of your needs and overriding sense of responsibility toward filling ordering requirements, we have obtained the trust of buyers worldwide. Having accumulated precious experience in cooperating with foreign customers, our products are selling well in the American, European, South American and Asian markets. Our products are manufactured by modern computerized machinery and equipment. Meanwhile, our products are manufactured according to high quality standards, and complying with the international advanced standard criteria.

With many years’ experience in this line, we will be trusted by our advantages in competitive price, one-time delivery, prompt response, on-hand engineering support and good after-sales services.

Additionally, all our production procedures are in compliance with ISO9001 standards. We also can design and make non-standard products to meet customers’ special requirements. Quality and credit are the bases that make a corporation alive. We will provide best services and high quality products with all sincerity. If you need any information or samples, please contact us and you will have our soon reply.

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: generally 10 workdays.
2.Production Lead-times: 20-40 workdays after getting your deposit.

Q3. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery.

Q4: What is your advantages?
1. Manufacturer,the most competitive price and good quality.
2. Perfect technical engineers give you the best support.
3. OEM is available.
4. Rich stock and quick delivery.

Q5. If you can’t find the product on our website,what do you next?
Please send us inquiry with product pictures and drawings by email or other ways and we’ll check.