China best Hot Sale High Speed Aluminum Diaphragm Coupling

Product Description

JMI Type Diaphragm Coupling(JB/T9147-1999)

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.

Features
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.

Product Parameters

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. We company actively introduce 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.

After Sales Service

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 month under normal circumstance.

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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diaphragm coupling

Industries and Use Cases for Diaphragm Couplings

Diaphragm couplings find applications in various industries due to their flexibility, precision, and ability to handle misalignment. Here are some common industries that commonly use diaphragm couplings and their specific use cases:

Industrial Machinery:

In the industrial machinery sector, diaphragm couplings are utilized for:

Power transmission in pumps and compressors
Motion control systems in robotics and automation
Drive systems for conveyors and material handling equipment
Motion control applications in packaging and printing machinery

Oil and Gas:

In the oil and gas industry, diaphragm couplings are commonly used in:

Gas compressors and turbine drives
Extraction pumps and mud pumps
Rotating equipment on offshore platforms
Power transmission in drilling rigs

Steel and Metal Processing:

Diaphragm couplings play a vital role in the steel and metal processing industry, where they are used in:

Rolling mills and metal forming equipment
Continuous casting machines
High-temperature furnace drives
Steel shears and cutters

Aerospace and Defense:

In the aerospace and defense sector, diaphragm couplings are utilized in:

Aircraft engine power transmission
Missile and satellite systems
Airborne radar and avionics equipment
Military vehicle drivetrains

Marine:

In the marine industry, diaphragm couplings are commonly found in:

Marine propulsion systems
Shipboard pumps and compressors
Power transmission in marine generators
Steering systems for marine vessels

Chemical and Process Industries:

In the chemical and process industries, diaphragm couplings are used in:

Chemical processing pumps and compressors
Agitators and mixers
Reaction vessels and reactors
Chemical plant material handling systems

These examples represent just a few of the many industries where diaphragm couplings are utilized. Their ability to handle misalignment, dampen vibrations, and transmit torque reliably makes them an integral part of various mechanical systems in different sectors.

diaphragm coupling

Real-World Case Studies of Diaphragm Couplings in Engineering Projects

Diaphragm couplings have been successfully utilized in various engineering projects, providing reliable power transmission and addressing specific challenges faced by different industries. Here are some real-world case studies and success stories showcasing the effectiveness of diaphragm couplings:

Case Study 1: Pumping System in Wastewater Treatment Plant

In a wastewater treatment plant, a critical pumping system was experiencing frequent breakdowns due to misalignment issues and vibration-related failures. The plant engineers decided to replace the existing gear couplings with diaphragm couplings to address these problems. The diaphragm couplings’ flexibility allowed them to compensate for the misalignment caused by thermal expansion and pump impeller wear. Additionally, the couplings’ ability to dampen vibrations reduced stress on the pump bearings, resulting in extended maintenance intervals and increased overall system reliability. The successful implementation of diaphragm couplings in this project led to significant cost savings by minimizing downtime and reducing the need for frequent maintenance.

Case Study 2: Turbine-Generator Coupling in Power Plant

In a power generation plant, a large gas turbine-generator coupling required replacement due to excessive wear and fatigue-related failures in the previous coupling. The plant engineers opted for a high-performance diaphragm coupling with improved fatigue resistance and higher torque capacity. The flexibility of the diaphragm coupling allowed it to accommodate slight misalignments between the turbine and the generator during operation. This capability reduced the stress on the coupling and mitigated the risk of premature failure. The diaphragm coupling’s ability to handle torsional vibrations and dampen mechanical resonance further improved the overall reliability and performance of the turbine-generator system, resulting in increased power generation efficiency and reduced maintenance costs.

Case Study 3: Industrial Compressor System

In an industrial compressor application, the existing coupling experienced frequent failures due to misalignment and shock loads from varying compression demands. The plant engineers replaced the old coupling with a diaphragm coupling featuring high misalignment tolerance and excellent shock absorption properties. The diaphragm coupling’s flexibility effectively compensated for the misalignment between the compressor and the motor, resulting in smoother operation and reduced stress on the drive components. Additionally, the coupling’s ability to absorb sudden shock loads reduced the risk of equipment damage and minimized unplanned downtime. The successful implementation of the diaphragm coupling significantly improved the compressor system’s reliability and contributed to increased productivity in the industrial facility.

These case studies demonstrate the successful application of diaphragm couplings in diverse engineering projects, including wastewater treatment plants, power generation facilities, and industrial compressors. The flexibility, misalignment compensation, and vibration dampening properties of diaphragm couplings have proven to be valuable in addressing specific challenges and enhancing the performance and reliability of critical machinery in various industries.

diaphragm coupling

Are There Any Industry Standards or Certifications for Diaphragm Couplings?

Yes, there are industry standards and certifications that apply to diaphragm couplings, ensuring their quality, performance, and safety. Some of the notable standards and certifications include:

American Petroleum Institute (API) Standards: API provides standards for various equipment and components used in the oil and gas industry. For diaphragm couplings used in oil and gas applications, compliance with API standards ensures that the couplings meet specific requirements and are suitable for use in demanding environments.
American Gear Manufacturers Association (AGMA) Standards: AGMA sets standards for various types of couplings, including diaphragm couplings. These standards cover design considerations, materials, performance, and safety factors, ensuring that couplings adhere to industry best practices.
International Organization for Standardization (ISO) Standards: ISO has several standards relevant to couplings in general, which can also apply to diaphragm couplings. ISO standards ensure global consistency in terms of design, manufacturing, and performance criteria.
European Conformity (CE) Marking: Diaphragm couplings intended for sale within the European Economic Area (EEA) must bear the CE marking, indicating that they comply with relevant European Union (EU) directives, including safety and environmental requirements.
American National Standards Institute (ANSI) Standards: ANSI sets standards for various industrial equipment, including couplings. ANSI standards provide guidelines for design, materials, and performance, ensuring safe and reliable operation.
Occupational Safety and Health Administration (OSHA) Compliance: Although not a specific certification for diaphragm couplings, compliance with OSHA regulations is essential to ensure the safety of workers who operate and maintain equipment with diaphragm couplings.

Manufacturers of diaphragm couplings often seek these certifications and comply with relevant industry standards to demonstrate the quality and reliability of their products. Customers and end-users can look for these certifications and standards compliance when selecting diaphragm couplings for their applications, as it provides assurance of the coupling’s performance and adherence to safety requirements.

China best Hot Sale High Speed Aluminum Diaphragm Coupling
editor by CX 2024-05-07