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Flexible elastic coupling

Flexible elastic coupling

The common characteristic of flexible coupling is that it can compensate the relative displacement of the two axes in different degrees, such as axial (longitudinal), radial (parallel) and angular (angle). Flexible elastic coupling without elastic element is composed of rigid parts which can move or slide relatively. In the past, it was also called rigid movable coupling. The relative displacement of two axes is compensated by the relative mobility of connecting elements.
JMI diaphragm couplingMLZ Single Flange Plum Blossom Elastic CouplingFlexible elastic coupling

  The characteristics of flexible coupling:

  The common characteristic of flexible coupling is that it can compensate the relative displacement of the two axes in different degrees, such as axial (longitudinal), radial (parallel) and angular (angle). Flexible coupling without elastic element is composed of rigid parts which can move or slide relatively. In the past, it was also called rigid movable coupling. The relative displacement of two axes is compensated by the relative mobility of connecting elements. Most flexible coupling without elastic element should work under good lubrication or sealing conditions. The compensation of axes displacement should be fully considered when choosing flexible coupling with elastic element. Scope, although this kind of coupling has certain compensation performance, it can not reduce vibration and buffer, so it is not suitable for shafting transmission with impact and vibration. Flexible couplings without elastic elements include slider couplings, chain couplings, gear couplings, universal couplings, spherical roller couplings, ball couplings, steel ball couplings, etc.

  Permissible compensation for flexible coupling:

  Only flexible couplings have different degrees of allowable axial, radial and angular compensation. In the past, flexible couplings without elastic elements, which were called rigid movable couplings, mainly use their structural characteristics to make the two-half couplings move relatively by relative movable elements. Elastic couplings (elastic couplings with metal elastic elements and elastic couplings with non-metal elastic elements) The main purpose of the sexual coupling is to use the elastic element installed in the coupling to make the main and the driven ends of the coupling move relatively by the deformation or clearance of the elastic element, so as to realize local compensation. The damping effect of the elastic element can also make the elastic coupling play a role of cushioning or absorbing vibration.

 

  Permissible compensation of flexible coupling refers to the compensation ability of relative offset of two axes caused by manufacturing error, installation error, impact, vibration, seat subsidence, temperature change and bearing wear, etc. Instead of the allowable installation error, the installation error should be less than the allowable compensation specified, and generally not more than one-half of the allowable compensation.

Model Nominal torque Tn(N.m) Permissible speed [n]r/min Axle hole diameter d 1 d 2 d z Shaft hole fit length D S Moment of inertia Kg.m 2 weight Kg  
YModel Z、J 1 、 ZModel  
L L 1 L  
 
HL1 160 7100 12 14 12 14 32 27 32 90 2.5 0.0064 2  
16 18 16 18 42 30 42  
19 19  
20 22 20 22 52 38 52  
24    
HL2 315 5600 20 22 20 22 52 38 52 120 2.5 0.253 5  
24 24  
25 28 25 28 62 44 62  
30 32 30 32 82 60 82  
35    
HL3 630 5000 30 32 30 32 82 60 82 160 2.5 0.6 8  
35 38 35 38  
40 42 40 42 112 84 112  
45 48    
HL4 1250 4000 2800 40 42 40 42 112 84 112 195 3 3.4 22  
45 48 45 48  
50 55 50 55  
56 56  
60 63   142 107 142  
HL5 2000 3550 2500 50 55 50 55 112 84 112 220 3 5.4 30  
56 56  
60 63 60 63 142 107 142  
65 67 65 67  
71 75    
HL6 3150 2800 2100 60 63 60 63 142 107 142 280 4 15.6 53  
65 70 65 70  
71 75 71 75  
80 80  
85   172 132 172  
HL7 6300 2240 1700 70 71 70 71 142 107 142 320 4 41.1 98  
75 75  
80 85 80 85 172 132 172  
90 95 90 95  
100 110 100 212 167 212  
HL8 10000 2120 1600 80 85 80 85 172 132 172 360 5 56.5 119  
90 95 90 95  
100 110 100 110 212 167 212  
120 125    
HL9 16000 1800 1250 100 110 100 110 212 167 212 410 5 133.3 197  
120 125 120 125  
130 140 130 252 202 252  
HL10 25000 1560 1120 110 120 110 120 212 167 212 480 6 273.2 322  
125 125  
130 140 130 140 252 202 252  
150 150  
160 170 160 302 242 302  
180    
HL11 31500 1320 1000 130 140 130 140 252 202 252 540 6 555.7 520  
150 150  
160 170 160 170 302 242 302  
180 180  
190 200 190 352 282 352  
220    
HL12 63000 1250 950 160 170 160 170 302 242 302 630 7 902 714  
180 180  
190 200 190 200 352 282 352  
220 220  
240 250   410 330 -  
260    
HL13 100000 1120 850 190 200 190 200 352 282 352 710 8 1700 1057  
220 220  
240 250 240 250 410 330 -  
260 260  
280 300   470 380 -  
HL14 160000 850 630 240 250 240 250 410 330 - 800 8 4318 1956  
260 260  
280 300 300 470 380 -  
320    
340   550 450

  Note:

  1. Semi-coupling material D 小于 200 forged steel, D 小于 280 cast steel ZG270-500II and cast iron HT200.

  2. The weight and moment of inertia of the coupling are calculated according to the minimum diameter and the maximum length of the shaft hole of the steel semi-coupling.

  3. Shaft hole length L and L1 can be selected from the list specifications according to different requirements.

 

  4. J1 is a short cylindrical shaft hole without sinking hole.