JM Diaphragm Coupling

‌JM diaphragm coupling‌ is a high-performance metal elastic element flexible coupling that relies on the elastic deformation of the diaphragm to compensate for the relative displacement of the two connected shafts.

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Product Description

Main features:

1.‌Compact structure‌: JM diaphragm coupling has a simple structure, is easy to process and maintain, is suitable for use at high speeds, and has no rotational clearance and no noise.

2.‌Corrosion resistance‌: Suitable for working environments with high and low temperatures, oil, water and corrosive media, and has the characteristics of acid resistance, alkali resistance and corrosion resistance.

3.‌Wide range of application‌: Widely used in shaft transmission of various mechanical devices, such as water pumps (especially high-power, chemical pumps), fans, compressors, hydraulic machinery, petroleum machinery, printing machinery, textile machinery, chemical machinery, mining machinery, metallurgical machinery, etc.

4. High strength: strong bearing capacity, wide application range, long life, transmission nominal torque of 25-1000000N.m, working temperature range of -20℃ to +250℃.

Application:

JM diaphragm coupling is mainly used to connect two rotating shafts so that they can work together, and is widely used in shaft transmission of various mechanical devices.

Application scenarios:

1. Mechanical engineering: JM diaphragm coupling is widely used in mechanical engineering, such as lathes, milling machines, drilling machines, etc., which can effectively transmit power and improve the working efficiency and reliability of equipment.

2. Chemical industry: In the chemical industry, these couplings are used to connect equipment such as reactors and distillation columns to ensure the continuity and stability of the production process.

3. Petroleum industry: In the process of oil drilling and refining, JM diaphragm coupling can withstand high pressure and high temperature working environment to ensure the normal operation of equipment.

4. Other industrial applications: These couplings are also suitable for water pumps (especially high-power, chemical pumps), fans, compressors, hydraulic machinery, petroleum machinery, printing machinery, textile machinery, chemical machinery, mining machinery, metallurgical machinery, aviation (helicopters), ship high-speed power transmission systems, etc.

Product advantages:

1. Compact structure, small size and light weight: JM diaphragm coupling uses high-quality metal film as a key component, has good elasticity and wear resistance, compact design, small size, light weight, easy installation and maintenance.

2. High elastic deformation capacity: These two couplings compensate for various misalignments of the two connected shafts through the three-dimensional deformation of the diaphragm, have high scalability and angle compensation capabilities, and adapt to the needs under different working conditions.

3. High torque transmission efficiency: Precise preload and optimized contact surface design improve the efficiency of torque transmission and ensure efficient power transmission.

4. Good shock absorption and noise reduction effect: Due to the elastic effect of the diaphragm, it can effectively absorb vibration and noise and improve the stability of the system.

5. Strong adaptability: It can adapt to harsh environments such as high temperature, low temperature, and humidity, and exhibits good durability. It is suitable for shaft transmission of various mechanical devices.

6. No lubrication required: These two couplings do not require lubrication, have a simple structure, and are easy to maintain. They are suitable for shaft transmission in high temperature, high speed, and corrosive media working conditions.

7. High strength and long life: JM diaphragm couplings have high strength and long life, are suitable for large torque shaft transmission, and are suitable for shaft transmission of various mechanical devices.

8. No rotational clearance: These two couplings have no rotational clearance, are suitable for use at high speeds, have low vibration, and are noiseless.

Application areas:

JM diaphragm couplings are widely used in fans, water pumps, compressors, hydraulic machinery, petroleum machinery, printing machinery, textile machinery, chemical machinery, mining machinery, metallurgical machinery, and other fields.

Detailed specifications:

JM diaphragm coupling

型号 Model	公称	瞬间最大扭矩N.m nstantaneous maximum torque	最大转速	轴孔直径mm	轴孔长度mm					重量 Weight (kg)	转动惯量
	转矩	N.m	rpm	shaft	Shaft length mm			D mm	A mm		Moment
	Nominal		Maximum	diameter							of
	torque		speed	d1dzdz mm							inertia
	Tn		rpm		J1型	Y型	L				(kg ·m²)
	(N ·m)				L	L	(推荐)
JM1				14	27	32
	40	63	10700	16,18,19	30	42	35	80		0.9	0.0005
				20,22,24	38	52
				25,28	44	62			8±0.2
JM2	63	100	9300	20,22,24	38	52	40	92		1.4	0.0011
				25,28	44	62
				30,32,35,38	60	82
JM3	100	200	8400	25,28	44	62	45	102		2.1	0.002
				30,32,35,38	60	82
				40,42,45	84	112
JM4	250	400	6700	30,32,35,38	60	82	55	128		4.2	0.006
JM4	250	400	6700	40,42,45,48,50,55	84	112	55	128	11±0.3	4.2	0.006
JM5	500	800	5900	35,38	60	82	65	145		6.4	0.012
				40,42,45,48,50,55,56	84	112
				60,63,65	107	142
JM6	800	1250	5100	40,42,45,48,50,55,56	84	112	75	168	14±0.3	9.6	0.024
JM6	800	1250	5100	60,63,65,70,71,75	107	142	75	168	14±0.3	9.6	0.024
JM7	1000	2000	4750	45,48,50,55,56	84	112		180		12.5	0.0365
				60,63,65,70,71,75	107	142			15±0.4
				80	132	172	80
JM8	1600	3150	4300	50,55,56	84	112		200		15.5	0.057
				60,63,65,70,71,75	107	142
				80,85	132	172
JM9	2500	4000	4200	55,56	84	112		205		16.5	0.065
				60,63,65,70,71,75	107	142			20±0.4
				80,85	132	172
JM10	3150	5000	4000	55,56	84	112	90	215		19.5	0.083
				60,63,65,70,71,75	107	142
				80,85,90	132	172
JM11	4000	6300	3650	60,63,65,70,71,75	107	142		235		25	0.131
JM11	4000	6300	3650	80,85,90,95	132	172	100	235		25	0.131
JM12	5000	8000	3400	60,63,65,70,71,75	107	142		250	23±0.5	30	0.174
				80,85,90,95	132	172
				100	167	212
JM13	6300	10000	3200	63,65,70,71,75	107	142	110	270		36	0.239
				80,85,90,95	132	172
				100,110	167	212
JM14	8000	12500	2850	70,71,75	107	142	115	300		45	0.38
				80,85,90,95	132	172
				100,110	167	212
JM15	10000	16000	2700	70,71,75	107	142	125	320	27±0.6	55	0.5
				80,85,90,95	132	172
				100,110,120,125	167	212
JM16				75	107	142
	12500	20000	2450	80,85,90,95	132	172	140	350		75	0.85
				100,110,120,125	167	212
				130	202	252
JM17	16000	25000	2300	80,85,90,95	132	172	145	370		85	1.1
				100,110,120,125	167	212
				130,140	202	252			32±0.7
JM18				90,95	132	172
	20000	31500	2150	100,110,120,125	167	212	165	400		115	1.65
				130,140,150	202	252
				160	242	302
JM19	25000	40000	1950	100,110,120,125	167	212	175	440		150	2.69
				130,140,150	202	252			38±0.9
				160,170	242	302
JM20	31500	50000	1850	100,120,125	167	212	185	460		170	3.28
				130,140,150	202	252
				160,170,180	242	302

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