GYD type (formerly YLD type) flange coupling
Summary:The GYD type (formerly YLD type) flange coupling belongs to the rigid coupling. It connects two flanged half couplings with ordinary flat keys to the two shafts, and then connects the two half couplings with bolts. Into one body to transmit movement and torque.
The GYD type (formerly YLD type) flange coupling belongs to the rigid coupling. It connects two flanged half couplings with ordinary flat keys to the two shafts, and then connects the two half couplings with bolts. Into one body to transmit movement and torque.
The flange coupling is simple in structure, convenient to manufacture, low in cost, reliable in operation, easy in assembly and disassembly and maintenance, and has a large transmission torque, which can ensure high centering accuracy of the two shafts. It is generally used for stable load. High-speed or high-precision shafting transmission.Flange couplings do not have radial, axial and angular compensation performance. If the centering accuracy of the connected two shafts cannot be guaranteed when used, it will reduce the service life, transmission accuracy and transmission frequency of the coupling, and cause vibration and noise.
GYD type (formerly YLD type) flange coupling has two main structural forms:
1. Rely on the reamed hole and use the bolt to realize the two-axis centering and rely on the bolt rod to bear the extrusion and shear to transmit the torque;
2. It is centered by matching the convex shoulder on one half coupling with the groove on the other half coupling.The bolts connecting the two half-couplings can be ordinary bolts A and B, and the torque is transmitted by the frictional moment of the joint surface of the two half-couplings.
Basic parameters and main dimensions of GYD type (formerly YLD type) flange coupling: GB5843-86 (unit: mm)
model
|
Nominal torque Tn(N·m) |
Allowable speed [n]r/min
|
Axle hole diameter d(H7)
|
Shaft hole length L |
D
|
D1
|
bolt
|
L0
|
Moment of inertia (kg.m2) |
weight (kg.m³) |
|||||
Y type
|
J1 type
|
Quantity n |
Diameter M
|
||||||||||||
iron
|
steel
|
iron
|
steel
|
Y type | J1 type | ||||||||||
YL1 YLD1
|
10
|
8100
|
13000
|
10
11 |
10
11 |
25
|
22
|
71
|
53
|
3 (3)
|
M6
|
54
|
48
|
0.0018
|
0.94
|
12
14 |
12
14 |
32
|
27
|
68
|
58
|
||||||||||
16
18 19 |
16
18 19 |
42
|
30
|
88
|
64
|
||||||||||
20
- |
20
22 |
52
|
38
|
108
|
80
|
||||||||||
YL2 YLD2
|
16
|
7200
|
12000
|
12
14 |
12
14 |
32
|
27
|
80
|
64
|
4 (4)
|
M6
|
68
|
58
|
0.0035
|
1.50
|
16
18 19 |
16
18 19 |
42
|
30
|
88
|
64
|
||||||||||
20
22 |
20
22 |
52
|
38
|
108
|
80
|
||||||||||
YL3 YLD3
|
25
|
6400
|
10000
|
14
|
14
|
32
|
27
|
90
|
69
|
3 (3)
|
M8
|
68
|
58
|
0.0060
|
1.99
|
16
18 19 |
16
18 19 |
42
|
30
|
||||||||||||
88
|
64
|
||||||||||||||
20
22 |
20
22 24 |
52
|
38
|
108
|
80
|
||||||||||
128
|
92
|
||||||||||||||
YL4 YLD4
|
40
|
5700
|
9500
|
18
19 |
18
19 |
42
|
30
|
100
|
80
|
3 (3)
|
M8
|
88
|
64
|
0.0093
|
2.47
|
20
22 24 |
20
22 24 |
52
|
38
|
108
|
80
|
||||||||||
25
- |
25
28 |
62
|
44
|
128
|
92
|
||||||||||
YL5 YLD5
|
63
|
5500
|
9000
|
22
24 |
22
24 |
52
|
38
|
105
|
85
|
4 (4)
|
M8
|
108
|
80
|
0.013
|
3.19
|
25
28 |
25
28 |
62
|
44
|
128
|
92
|
||||||||||
30
- |
30
32 |
82
|
60
|
168
|
124
|
||||||||||
YL6 YLD6
|
100
|
5200
|
8000
|
24
|
24
|
52
|
38
|
110
|
90
|
4 (4)
|
M8
|
108
|
80
|
0.017
|
3.99
|
25
28 |
25
28 |
62
|
44
|
128
|
92
|
||||||||||
30
32 - |
30
32 35 |
82
|
60
|
168
|
124
|
||||||||||
YL7 YLD7
|
160
|
4800
|
7600
|
28
|
28
|
62
|
44
|
120
|
95
|
4 (3)
|
M10
|
128
|
92
|
0.029
|
5.66
|
30
32 35 38 |
30
32 35 38 |
82
|
60
|
168
|
124
|
||||||||||
-
|
40
|
112
|
84
|
228
|
172
|
||||||||||
YL8 YLD8
|
250
|
4300
|
7000
|
32 35 38
|
32
35 38 |
82
|
60
|
130
|
105
|
4 (3)
|
M10
|
169
|
125
|
0.043
|
7.29
|
40 42
- |
40 |
112
|
84
|
229
|
173
|
6.53 | |||||||||
YL9 YLD9
|
630
|
4100
|
6800
|
38
|
38
|
82
|
60
|
140
|
115
|
6 (3)
|
M10
|
169
|
125
|
0.064
|
9.53
|
112
|
84
|
229
|
173
|
||||||||||||
40 42 45 48
- |
40
42 45 48 50 |
||||||||||||||
YL10 YLD10
|
630
|
3600
|
6000
|
45 48 50 55
- |
45
48 50 55 56 |
160
|
130
|
6 (4)
|
M12
|
0.112
|
12.46
|
||||
-
|
60
|
142
|
107
|
289
|
219
|
||||||||||
YL11 YLD11
|
1000
|
3200
|
5300
|
50 55 56
|
50
55 56 |
112
|
84
|
180
|
150
|
8 (4)
|
M12
|
229
|
173
|
0.205
|
17.97
|
60 63 65
- |
60
63 65 70 |
142
|
107
|
289
|
219
|
||||||||||
YL12 YLD12
|
1600
|
2900
|
4700
|
60 63 65 70 71 75
|
60
63 65 70 71 75 |
200
|
170
|
12 (6)
|
M12
|
0.443
|
30.62
|
||||
-
|
80
|
52
|
38
|
349
|
269
|
0.463
|
29.52
|
||||||||
YL13 YLD13
|
2500
|
2600
|
4300
|
70 71 75
|
70
71 75 |
142
|
107
|
220
|
185
|
8 (6)
|
M16
|
289
|
219
|
0.646
|
35.58
|
80 85
- |
80
85 90 |
172
|
132
|
349
|
269
|
||||||||||
YL14 YLD14
|
4000
|
2300
|
4800
|
80 85 90 95
|
80
85 90 95 |
172
|
132
|
250
|
215
|
12 (8)
|
M16
|
350
|
270
|
1.353
|
57.13
|
100
- |
100 110
|
212
|
167
|
430
|
340
|
||||||||||
YL15 YLD15
|
6300
|
2000
|
3400
|
-
- |
90
95 |
172
|
132
|
290
|
250
|
12 (6)
|
M20
|
350
|
270
|
2.854
|
89.59
|
100 110 120
- |
100 110 120 125
|
212
|
167
|
430
|
340
|
||||||||||
YL16 YLD16
|
10000
|
1800
|
3000
|
-
- 6 396 hab |
100 110 120 125
|
340
|
290
|
12 (6)
|
M24
|
5.271
|
119.57
|
||||
130
- |
130 140
|
252
|
202
|
510
|
410
|
||||||||||
YL17 YLD17
|
14000
|
1600
|
2600
|
-
- |
120 125
|
212
|
167
|
380
|
330
|
12 (6)
|
M24
|
430
|
340
|
9.139
|
171.71
|
130 140 150
|
130 140 150
|
252
|
202
|
510
|
410
|
||||||||||
-
|
160
|
302
|
242
|
610
|
490
|
||||||||||
YL18 YLD18
|
20000
|
1400
|
2300
|
-
- |
140 150
|
252
|
202
|
420
|
360
|
12 (6)
|
M30
|
510
|
410
|
(17.883)
|
(263.5)
|
-
- - |
160 170 180
|
302
|
242
|
610
|
490
|
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