Z8 type expansion coupling sleeve
Detailed product parameters: Click:次
■Marking example
Z300 type expansion coupling sleeve with inner diameter d=375mm and outer diameter D=3mm:
胀套Z8-300×375 JB/T7934-1999
■Basic dimensions of Z8 type expansion coupling sleeve locking coupling disc (produced according to JB/T 7934-1999)
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basic size
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Socket head cap screws
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Rated load
|
Expansion sleeve与轴
Bonding surface
pressure
Pf
N / mm2
|
Expansion sleeve与轮
Pressure on the hub joint surface
Pf′
N/mm 2
|
Screw tightening
Moment
MA
N · m
|
Weight
kg
|
|
d
|
D
|
L1
|
L2
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L3
|
L4
|
d 1
|
n
|
Axial force F1
KN
|
Torque
M1
KN·m
|
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mm
|
|
20
|
47
|
17
|
22
|
28
|
34
|
M6 × 20
|
5
|
30
|
0.29
|
220
|
95
|
17
|
0.25
|
|
22
|
47
|
17
|
22
|
28
|
34
|
M6 × 20
|
5
|
30
|
0.32
|
200
|
95
|
0.25
|
|
24
|
50
|
17
|
22
|
28
|
34
|
M6 × 20
|
5
|
30
|
0.37
|
200
|
95
|
0.27
|
|
25
|
50
|
17
|
22
|
28
|
34
|
M6 × 20
|
6
|
36
|
0.45
|
215
|
110
|
0.27
|
|
28
|
55
|
17
|
22
|
28
|
34
|
M6 × 20
|
6
|
36
|
0.50
|
200
|
100
|
0.32
|
|
30
|
55
|
17
|
22
|
28
|
34
|
M6 × 20
|
6
|
36
|
0.54
|
190
|
100
|
0.35
|
|
32
|
60
|
17
|
22
|
28
|
34
|
M6 × 20
|
8
|
48
|
0.77
|
215
|
115
|
0.37
|
|
35
|
60
|
17
|
22
|
28
|
34
|
M6 × 20
|
8
|
48
|
0.84
|
190
|
110
|
0.34
|
|
38
|
65
|
17
|
22
|
28
|
34
|
M6 × 20
|
8
|
48
|
0.91
|
195
|
115
|
0.40
|
|
40
|
65
|
17
|
22
|
28
|
34
|
M6 × 20
|
8
|
48
|
0.96
|
190
|
105
|
0.38
|
|
45
|
75
|
20
|
25
|
33
|
41
|
M8 × 25
|
7
|
77
|
1.75
|
230
|
135
|
41
|
0.63
|
|
50
|
80
|
20
|
25
|
33
|
41
|
M8 × 25
|
7
|
77
|
1.93
|
210
|
130
|
0.68
|
|
55
|
85
|
20
|
25
|
33
|
41
|
M8 × 25
|
8
|
88
|
2.45
|
215
|
135
|
0.73
|
|
60
|
90
|
20
|
25
|
33
|
41
|
M8 × 25
|
8
|
88
|
2.70
|
190
|
125
|
0.78
|
|
63
|
95
|
20
|
25
|
33
|
41
|
M8 × 25
|
9
|
100
|
3.18
|
205
|
140
|
0.89
|
|
65
|
95
|
20
|
25
|
28
|
41
|
M8 × 25
|
9
|
100
|
3.25
|
200
|
135
|
0.83
|
|
70
|
110
|
24
|
30
|
40
|
50
|
M10 × 30
|
8
|
141
|
5.00
|
220
|
140
|
83
|
1.33
|
|
75
|
115
|
24
|
30
|
40
|
50
|
M10 × 30
|
8
|
141
|
5.25
|
200
|
130
|
1.40
|
|
80
|
120
|
24
|
30
|
40
|
50
|
M10 × 30
|
8
|
141
|
5.60
|
190
|
125
|
1.48
|
|
85
|
125
|
24
|
30
|
40
|
50
|
M10 × 30
|
9
|
159
|
6.75
|
200
|
135
|
1.55
|
|
90
|
130
|
24
|
30
|
40
|
50
|
M10 × 30
|
9
|
159
|
7.10
|
190
|
130
|
1.63
|
|
95
|
135
|
24
|
30
|
40
|
50
|
M10 × 30
|
10
|
176
|
8.35
|
200
|
140
|
1.70
|
|
100
|
145
|
26
|
32
|
44
|
56
|
M12 × 30
|
8
|
205
|
10.30
|
210
|
145
|
145
|
2.60
|
|
110
|
155
|
26
|
32
|
44
|
56
|
M12 × 30
|
8
|
205
|
11.25
|
190
|
135
|
2.80
|
|
120
|
165
|
26
|
32
|
44
|
56
|
M12 × 30
|
9
|
231
|
13.9
|
210
|
145
|
3.00
|
|
130
|
180
|
34
|
40
|
52
|
64
|
M12 × 30
|
12
|
308
|
20.00
|
190
|
140
|
4.60
|
|
140
|
190
|
34
|
40
|
54
|
68
|
M14 × 40
|
9
|
317
|
22.25
|
180
|
130
|
230
|
4.90
|
|
150
|
200
|
34
|
40
|
54
|
68
|
M14 × 40
|
10
|
352
|
26.3
|
190
|
140
|
5.20
|
|
160
|
210
|
34
|
40
|
54
|
68
|
M14 × 40
|
11
|
287
|
31.0
|
190
|
145
|
5.50
|
|
170
|
225
|
44
|
40
|
64
|
78
|
M14 × 40
|
12
|
422
|
35.9
|
150
|
115
|
7.75
|
|
180
|
235
|
44
|
50
|
64
|
78
|
M14 × 40
|
12
|
422
|
38.0
|
145
|
110
|
8.15
|
|
190
|
250
|
44
|
50
|
64
|
78
|
M14 × 40
|
15
|
528
|
50.1
|
170
|
130
|
9.50
|
|
200
|
260
|
44
|
50
|
64
|
78
|
M14 × 40
|
15
|
528
|
52.8
|
160
|
125
|
9.90
|
|
220
|
285
|
50
|
56
|
72
|
88
|
M16 × 40
|
12
|
587
|
64.5
|
145
|
110
|
355
|
13.40
|
|
240
|
305
|
50
|
56
|
72
|
88
|
M16 × 40
|
15
|
734
|
88
|
165
|
130
|
14.30
|
|
260
|
325
|
50
|
56
|
72
|
88
|
M16 × 40
|
18
|
880
|
114
|
180
|
145
|
15.50
|
|
280
|
355
|
60
|
66
|
84
|
102
|
M18 × 50
|
16
|
948
|
132
|
150
|
120
|
485
|
22.90
|
|
300
|
375
|
60
|
66
|
84
|
102
|
M18 × 50
|
18
|
1059
|
159
|
160
|
125
|
24.40
|
|
320
|
405
|
74
|
81
|
101
|
121
|
M20 × 50
|
18
|
1374
|
220
|
150
|
120
|
690
|
36.10
|
|
340
|
425
|
74
|
81
|
101
|
121
|
M20 × 50
|
21
|
1603
|
272.5
|
175
|
135
|
38.40
|
|
360
|
455
|
86
|
94
|
116
|
138
|
M22 × 60
|
18
|
1710
|
308
|
140
|
110
|
930
|
46.20
|
|
380
|
475
|
86
|
94
|
116
|
138
|
M22 × 60
|
21
|
1995
|
379
|
155
|
125
|
55.00
|
|
400
|
495
|
86
|
94
|
116
|
138
|
M22 × 60
|
21
|
1995
|
399
|
150
|
120
|
61.00
|
|
Note: The mechanical performance level of Z8 type expansion coupling set screws is 12.9.
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