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Product Details

The JMI basic diaphragm coupling with counterbore is elastically deformed to compensate for the relative displacement of the connected two shafts. It is a high-performance flexible coupling with metal elastic elements. It does not require lubrication, has a compact structure, and has a long service life. , No rotation gap, not affected by temperature and oil pollution, acid and alkali resistance, suitable for shaft transmission in high temperature, high speed, and corrosive medium working conditions, and widely used in shaft transmission of various mechanical devices, such as Water pumps (especially high-power and chemical pumps), fans, compressors, hydraulic machinery, petroleum machinery, printing machinery, textile machinery, chemical machinery, mining machinery, metallurgical machinery, aviation (helicopters), high-speed power transmission systems for ships, After being dynamically balanced, it is relatively common to apply to high-speed transmission shafts. Compared with gear couplings, there is no relative sliding, no lubrication, sealing, no noise, basically no maintenance, and more convenient manufacturing. It can partially replace gear couplings. Shaft. Diaphragm couplings have been widely used in advanced industries in Shanghai. In practical applications, the intermediate shaft type is generally used to improve the performance of two-axis offset compensation.

Basic parameters and main dimensions of JMI diaphragm coupling mm

modelNominal
Torque
Tn
/N·m
moment   
High torque
Tmax
/N·m
license
Rotating speed
[n]
/r·mi-1
轴孔
直径
d
(H7)
Length of shaft holeDTwist
刚度
C
/N·m·rad-1
tTurning
惯量
I
kg·m2
质量
m
/ kg
Y typeJ, J1,
Type Z
L recommended
LLL1
JMI1258060001432-J1 type is 27 Z1 type is 2035901 × 1048.80.00071
16, 18, 194230
20, 225238
JMI263180500018, 1942-30451001.4 × 1049.50.0011.3
20, 22, 245238
256244
JMI3100315500020, 22, 2452-38501201.87 × 104110.00242.3
25, 286244
308260
JMI416050045002452-38551303.12 × 10412.50.00373.3
25, 286244
30, 32, 358260
JMI525071040002862-44601504.32 × 104140.00835.3
30-32-358260
4011284
JMI64001120360032, 35, 38828260651706.88 × 10415.50.01598.7
40, 42, 45
, 48, 50
112-84
JMI76301800300040, 42112112847021010.35 × 104190.043214.3
45, 45, 50
, 55, 56
-
60142107
JMI810002500280045, 48112112848024016.11 × 10422.50.087922
50, 55, 56-
60-63-65142107
JMI916004000250055, 56112112848526026.17 × 104240.141529
60, 63, 65
, 70, 71, 75
142-107
80172132
JMI1025006300200063, 65, 70
, 71, 75
142142107902807.88 × 104170.297452
80-85-90172-132
JMI11400090001800751421421079530010.49 × 10419.50.478269
80-85-90172-132
100, 110212167
JMI12630012500160090, 95172-13212034014.07 × 104230.806794
100, 110
, 120, 125
212167
JMI1310000180001400100, 110
, 120, 125
212-16713538019.23 × 104281.7053128
130, 140252202
JMI1416000280001200120, 125212-16715042030.01 × 104312.6832184
130, 140, 150252202
160302242
JMI1525000400001120140, 150252-20218048047.46 × 10437.54.8015263
160, 170, 180302242
JMI1640000560001000160, 170, 180302-24220056068.09 × 104419.4118384
190, 200352282
JMI176300080000900190, 200, 220352-282220630101.3 × 1044718.3753561
240410330
JMI18100000125000800220352-282250710161.4 × 10454.528.2033723
240, 250, 260410330
JMI19160000200000700250, 260410-33028080079.3 × 1044866.58131267




Hangzhou JMI type diaphragm coupling Hangzhou JMI type diaphragm coupling