SIEMENS
7/4
Siemens MD 31.1 · 2016
Connection dimensions
Hollow shafts
For shrink disk
7
■
Dimensional drawings
X
= Space required for torque wrench
Shrink disk
Customer shaft
G_MD30_EN_00093b
n x t(=360°)
Ø d
3
Ø d
2
l
2
l
3
Ø s
t
Ø d
a
z
f
f
c
Ø k
G
5
Ø d
4
Dimensions in mm
Gear unit
size
Shaft of driven machine
Chamfer
on Ø d
2
Flange
Ø d
2
Ø d
3
I
2
I
3
f
G
5
c
Ø s
n
t
Ø k
z
Ø d
4
f7
Ø d
a
30
90 h6
88 h6
60
60
1
45°
133
17
17.5
16
22.5°
335
8
290
375
35
100 h6
98 h6
64
64
1
45°
138
17
17.5
20
18°
385
8
340
425
37
110 h6
108 h6
68
68
1
45°
149
19
17.5
24
15°
410
8
370
450
40
120 h6
118 h6
76
76
1
45°
152
19
22
18
20°
435
8
390
480
45
130 h6
125 h6
80
80
2.5
45°
166
19
22
20
18°
490
8
445
540
50
140 h6
135 h6
82
82
2.5
45°
167
24
22
24
15°
540
8
495
585
55
165 g6
160 h6
96
96
2.5
45°
185
29
26
24
15°
595
8
535
650
60
180 g6
175 g6
116
100
2.5
45°
207
34
26
24
15°
640
8
585
695
Ø D
Ø d
Ø d
w
H
max
X
W
S
1
G_MD30_XX_00232
Dimensions in mm
Gear
unit size
Shrink disk
Ø D
Ø d
Ø d
w
1)
H
max
3)
W
T
A
2)
S
1
Weight,
approx.
Nm
kg
30
185
110
90
51
11
120
M12
5.8
35
215
125
100
55
11
120
M12
8.7
37
230
140
110
61
9
193
M14
10.3
40
263
155
120
64
12
193
M14
15.2
45
290
165
130
70
13
295
M16
21.5
50
300
175
140
71
14
295
M16
22.5
55
340
200
165
87
13
295
M16
36.3
60
370
220
180
103
16
570
M20
53
1)
Tolerance of the hollow shaft drilled hole Ø d
w
= H7
2)
Tightening torque for clamping screws of property class 12.9
(observe mounting instructions BA 9300)
3)
Thickness of shrink disk in unclamped state
© Siemens AG 2016