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Flexible elastic coupling

Flexible elastic coupling

挠性CouplingThe common feature is the ability to compensate the relative offset of the two axes in different degrees in the axial (longitudinal), radial (parallel), and angular (angle) directions.No elastic element flexibilityFlexible couplingComposed of rigid parts that can move or slide relative to each other. In the past, it was also called a rigid movable coupling. The relative movability between the connecting elements is used to compensate for the relative displacement of the connected two axes.
JMI diaphragm couplingMLZ type single flange plum blossom elastic couplingFlexible elastic coupling

挠性Couplingspecialty:
     The common feature of flexible couplings is the ability to compensate the relative offset of the two axes in different degrees in the axial (longitudinal), radial (parallel), and angular (angle) directions.The flexible coupling without elastic elements is composed of rigid parts that can move or slide relative to each other. In the past, it was also called a rigid movable coupling. The relative movability between the connecting elements is used to compensate for the relative movement of the connected two axes. Most flexible couplings without elastic elements need to work under good lubrication and sealing conditions. The compensation range for axis displacement should be fully considered when selecting. Although this type of coupling has a certain compensation performance, it cannot be reduced. Vibration buffer, so it is not suitable for shaft transmission with shock and vibration.Flexible couplings without elastic elements include slider couplings, chain couplings, gear couplings, universal couplings, spherical roller couplings, ball couplings, steel ball couplings Wait.
Allowable compensation of flexible coupling:
     Only flexible couplings have different degrees of allowable compensation in the axial, radial and angular directions. In the past, flexible couplings with inelastic elements called rigid removable couplings were mainly based on their structure. Characteristic, the relative movement of the two halves of the coupling is caused by the relative movable element of the coupling;Flexible coupling(Elastic couplings with metal elastic elements and elastic couplings with non-metal elastic elements), mainly by using elastic elements installed in the coupling, and relying on the deformation or gap of the elastic elements to connect the two halves of the main and driven ends. The shaft device generates relative motion to achieve partial compensation. The damping effect of the elastic element enables the elastic coupling to buffer and absorb vibration.
     The allowable compensation amount of the flexible coupling refers to the impact, vibration, base sinking, temperature change, bearing wear and other factors caused by the manufacturing error of the coupling, installation error, and load change during work. Compensation capability of the relative offset of the two axes.Rather than the allowable installation error, the installation error should be less than the specified allowable compensation amount, generally not more than one-half of the allowable compensation amount.

model
Nominal torque Tn(Nm)
Allowable speed [n]r/min
Axle hole diameter d 1 d 2 dz
Length of shaft hole
D
S
Moment of inertia Kg.m 2
Weight Kg
 
Y type
Z, J 1 , Z type
 
L
The 1
L
 
iron
iron
steel
iron
 
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
-
 

注:1、半联轴器材料D≤200锻钢,D≤280铸钢ZG270-500Ⅱ和铸铁HT200。
2. Coupling weight and moment of inertia are calculated based on the diameter of the small shaft hole and the length of the large shaft hole of the steel half-coupling.
3. Length of shaft hole L and L1It can be selected from the listed specifications according to different requirements.
4. J1It is a short cylindrical shaft hole without a counterbore.