China Good quality Double Diaphragm Coupling

Product Description

JM II J Type Diaphragm Coupling With Intermediate Shaft

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.

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.

Product Parameters

JMIIJ Type Diaphragm Coupling Basic Parameter And Main Dimension(JB/T9147-1999)

Type	Nominal torque Tn	Peak torque Tmax	Max Speed n^max	Bore Diameter d,d₁	Bore length			D	D₁	D₂	L_1min	t	Mass		Rotary inertia
					J₁ type	Y type	L _(recommend)						L_1min	Every 1meter of mass added
					L
	N·m	N·m	r·min^-1	mm									kg		kg·m²
JMIIJ1	63	100	9300	20,22,24	38	52	40	92	53	45	70	8±0.2	2	4.1	0.002
				25,28	44	62
				30,32,35,38	60	82
JMIIJ2	100	200	8400	25,28	44	62	45	102	63		80		2.9		0.003
				30,32,35,38	60	82
				40,42,45	84	112
JMIIJ3	250	400	6700	30,32,35,38	60	82	55	128	77	76	96	11±0.3	5.7	8	0.009
				40,42,45,48,50,55	84	112
JMIIJ4	500	800	5900	35,38	60	82	65	145	91		116		8.5		0.017
				40,42,45,48,50,55,56	84	112
				60,63,65	107	142
JMIIJ5	800	1250	5100	40,42,45,48,50,55,56	84	112	75	168	105	102	136	14±0.3	12.5	12	0.034
				60,63,65,70,71,75	107	142
JMIIJ6	1250	2000	4750	45,48,50,55,56	84	112	80	180	112		140	15±0.4	16.5		0.053
				60,63,65,70,71,75	107	142
				80	132	172
JMIIJ7	2000	3150	4300	50,55,56	84	112		200	120	114			21	19	0.082
				60,63,65,70,71,75	107	142
				80,85	132	172
JMIIJ8	2500	4000	4200	55,56	84	112		205	120			20±0.4	23		0.092
				60,63,65,70,71,75	107	142
				80,85	132	172
JMIIJ9	3150	5000	4000	55,56	84	112	90	215	128	127	160	20±0.4	27	21	0.117
				60,63,65,70,71,75	107	142
				80,85,90	132	172
JMIIJ10	4000	6300	3650	60,63,65,70,71,75	107	142	100	235	132		170	23±0.5	36		0.191
				80,85,90,95	132	172
JMIIJ11	5000	8000	3400	60,63,65,70,71,75	107	142		250	145	140			42	26	0.252
				80,82,90,95	132	172
				100	167	212
JMIIJ12	6300	10000	3200	60,63,65,70,71,75	107	142	110	270	155		190		50		0.349
				80,85,90,95	132	172
				100,110	167	212115
JMIIJ13	8000	12500	2850	65,70,71,75	107	142	115	300	162	165	200	27±0.6	66	47	0.56
				80,85,90,95	132	172
				100,110	167	212
JMIIJ14	10000	16000	2700	70,71,75	107	142	125	320	176		220		78		0.75
				80,85,90,95	132	172
				100,110,120,125	167	212
JMIIJ15	12500	20000	2450	75	107	142	140	350	186		240	32±0.7	110	51	1.26
				80,85,90,95	132	172
				100,110,120,125	167	212
				130	202	252
JMIIJ16	16000	25000	2300	80,85,90,95	132	172	145	370	203	219	250		125	72	1.63
				100,110,120,125	167	212
				130,140	202	252
JMIIJ17	20000	31500	2150	90,95	132	172	165	400	230		290		160		2.45
				100,110,120,125	167	212
				130,140,150	202	252
				160	242	302
JMIIJ18	25000	40000	1950	100,110,120,125	167	212	175	440	245		300	38±0.9	220		3.99
				130,140,150	202	252
				160,170	242	302
JMIIJ19	31500	50000	1850	100,110,120,125	167	212	185	460	260	267	320		245	89	4.98
				130,140,150	202	252
				160,170,180	242	302
JMIIJ20	35500	56000	1800	120,125	167	212	200	480	280	267	350	38±0.9	275	89	6.28
				130,140,150	202	252
				160,170,180	242	302
				190,200	282	352
JMIIJ21	40000	63000	1700	120,125	167	212	210	500	295		370		320		7.68
				130,140,150	202	252
				160,170,180	242	302
				190,200	282	352
JMIIJ22	50000	80000	1600	140,150	202	252	220	450	310	299	380	44±1	400	110	11.6
				160,170,180	242	302
				190,200,220	282	352
JMIIJ23	63000	100000	1450	140,150	202	252	240	600	335	356	410	50±1.2	560	145	19.8
				160,170,180	242	302
				190,200,220	282	352
				240	330	410
JMIIJ24	80000	125000	1400	160,170,180	242	302	255	620	350		440		620		23.6
				190,200,220	282	352
				240,250	330	410
JMIIJ25	90000	140000	1300	180	242	302	275	660	385		480		740		31.9
				190,200,220	282	352
				240,250,260	330	410
				280,300	380	470
JMIIJ26	12000	180000	1200	190,200,220	282	352	295	720	410	406	510	60±1.4	970	190	50.4
				240,250,260	330	410
				280,300	380	470
JMIIJ27	140000	200000	1150	220	282	352	300	740	420		520		1050		57
				240,250,260	330	410
				280,300	380	470
JMIIJ28	160000	224000	1100	240,250,260	330	410	320	770	450	457	560		1200	215	69.4
				280,300	380	470
JMIIJ29	180000	280000	1050	250,260	330	410	350	820	490		600		1400		95.5
				280,300,320	380	470
				340	450	550
JMIIJ30	280000	450000	1000	280,300,320	380	470	350	875	480	559	620	50±1.6	1400	235	96.5
				340,360	450	550			550						109.5
JMIIJ31	400000	630000	930	300,320	380	470		935	520	610	630	60±1.0	1800	290	142
				340,360,380	450	550			560						152
				400	540	650			600						162
JMIIJ32	450000	710000	880	320	380	470	380	1030	480	622	690		2250	330	194
				340,360,380	450	550			600						224
				400,420	540	650			640						240
JMIIJ33	560000	900000	820	360,380	450	550	400	1080	580	660	726	66±2.2	2750	390	271
				400,420,440,450,460	540	650			700						325
JMIIJ34	1000000	1600000	740	400,420,440,450	540	650	460	1160	620	750	836	70±2.3	3500	450	387
				160,480,500	540	650			750						465
JMIIJ35	1400000	2240000	680	400,420,440,450,480,500	540	650	520	1290	790	820	946	10±2.6	5000	570	750
				530,560	680	800			840						810
JMIIJ36	2000000	3150000	620	480,500	540	650	570	1410	760	900	1040	92±2.8	6600	710	1050
				530,560,600	680	800			920						1290
JMIIJ37	2800000	4000000	570	450,460,480,500	540	650	610	1530	810	1000	1100	105±3	8400	880	1630
				530,560,600	680	800			980						1950
JMIIJ38	4000000	6000000	520	560,600,630	680	800	670	1670	950	1100	1210	115±3.4	11000	1050	2670
				670,710	780	–			1070						3030
JMIIJ39	5000000	8000000	480	600,630	680	800	730	1830	970	1200	1320	125±3.7	14500	1350	4060
				670,710,750	780	–			1170						4800
JMIIJ40	6300000	10000000	430	670,710,750	780		800	2000	1140	1300	1450	130±4	19000	1600	6600
				800,850	880				1290						7500
JMIIJ41	8000000	12500000	400	750	780			2200	1260	1400	1600	140±4.4	2500	1850	10400
				800,850	880				1420						11900
JMIIJ42	10000000	16000000	350	800,850	880		960	2400	1370	1500	1760		32000	2100	15200
				900,950	980				1550						17400

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

Design Considerations for Selecting a Diaphragm Coupling for a Specific Application

When choosing a diaphragm coupling for a particular application, several crucial design considerations should be taken into account. Each application has unique requirements, and selecting the right diaphragm coupling can significantly impact the overall performance and reliability of the system. Here are the key design considerations:

1. Torque Capacity:

Determine the maximum torque that the diaphragm coupling will need to transmit in the application. Select a diaphragm coupling with a torque capacity that comfortably exceeds the application’s peak torque requirements. Consider potential torque variations during operation and choose a coupling that can handle the dynamic torque conditions, especially in machines with frequent start-stop cycles or load fluctuations.

2. Misalignment Tolerance:

Assess the potential misalignment between the connected shafts in the application. Diaphragm couplings are known for their ability to compensate for various types of misalignment, such as axial, angular, and parallel misalignment. Determine the expected misalignment angles and choose a diaphragm coupling with the appropriate misalignment capabilities to ensure smooth operation and minimize stress on the coupling and connected machinery.

3. Speed and RPM:

Consider the rotational speed and RPM (revolutions per minute) requirements of the application. Diaphragm couplings are suitable for high-speed applications due to their balanced design and ability to dampen vibrations. Ensure that the selected coupling can handle the required RPM without encountering critical speed issues or exceeding its rated limitations.

4. Operating Environment:

Evaluate the environmental conditions in which the diaphragm coupling will operate. Consider factors such as temperature, humidity, presence of corrosive substances, and exposure to contaminants. Choose a diaphragm coupling made from materials suitable for the specific operating environment to prevent corrosion and premature wear.

5. Space Constraints:

Diaphragm couplings have a compact design, making them suitable for applications with limited space. Consider the available installation space and choose a coupling that fits within the available dimensions while providing the required torque capacity and misalignment compensation.

6. Maintenance Requirements:

Assess the maintenance requirements of the diaphragm coupling. Some couplings may require periodic lubrication, while others are maintenance-free. Choose a coupling with maintenance requirements that align with the resources and capabilities of the maintenance team.

7. Application-specific Factors:

Consider any unique factors relevant to the application, such as the presence of shock loads, dynamic balancing requirements, or the need for precision in high-accuracy systems. These specific factors can influence the selection of the most suitable diaphragm coupling for the application.

By carefully considering these design factors, engineers and designers can select the most appropriate diaphragm coupling for a specific application. The right coupling choice will enhance the overall performance, reliability, and service life of the machinery or equipment in which it is employed.

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 Good quality Double Diaphragm Coupling
editor by CX 2024-04-23