LENZE
IEC motors
Lenze
Coupling hub
Dimensions
drive
Mounting flange
Motor shaft
Size
Design
Flange
size
Standard/
Clamping
Flange
Pitch
Centring
size
clamping
ring
circle
hub
hub
a
3
e
3
b
3
d
l
min
l
max
63
B14
C90
1A/2B
ö
ö
90
75
60
11
23
23
C160
6C
ö
1)
160
130
110
23
40
C105
1B/3C
ö
ö
105
85
70
30
30
71
B14
C120
4C
120
100
80
14
25
40
C160
2C
ö
ö
160
130
110
25
40
C120
7C
ö
ö
120
100
80
25
40
80
B14
1C
19
25
40
C160
2D
ö
ö
160
130
110
40
50
3E
30
60
B14
C160
1D
ö
160
130
110
50
50
90
2E/2F
ö
ö
24
30
60
B5
A200
4E/3F
ö
ö
188
165
130
50
50
100
B14
C160
1E/1F
ö
ö
160
130
110
28
30
60
112
B5
A250
2G
250
215
180
60
60
132
B5
A250
3G
ö
ö
250
215
180
38
80
80
B5
A300
1G/3H
ö
ö
300
265
230
80
80
160
B5
A350
1H
ö
ö
350
300
250
42
110
110
180
B5
A350
2H
ö
350
300
250
48
110
110
200
B5
A400
1K
ö
400
350
300
55
110
110
225
B5
A450
2K
ö
450
400
350
60
140
140
Drive dimensioning
Gearbox designs
2-10
2
G-motion atex en 06/2011
Gearbox with mounting flange design N
Mounting flange:
˘
Flange dimensions suitable for motors in accordance
with IEC 72/DIN 42948
˘
Shaft in two bearings
˘
Gearbox-side coupling half integrated in the shaft
Spider (ring gear):
˘
Torsionally stiff
˘
Isogonal
˘
Low backlash (backlash-free with clamping hub/
clamping ring hub)
Coupling hub:
˘
Standard: Coupling hub with keyway for motor shafts
in accordance with IEC
˘
Optional coupling hubs for frequent shocks and load
alternation or reduced coupling backlash:
– Clamping hub with tangential clamping screw for
motor shafts with keyway, backlash-free
– Clamping ring hub for motor shafts without keyway,
backlash-free, particularly recommended for servo
motors
Geometric assignments for IEC standard motors
See selection tables for gearbox with mounting flange for permissible driving powers and output torques.
Dimensions in [mm]
1)
Only clamping hub possible
Mounting flange
Coupling hub
Spider