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BA 3102 en 02/2016
3.3
Axial fastening
Arrange set screw on the parallel keyway. An exception are the following coupling parts:
Part 2:
Size 110 :
Bore D
1
≥ 30 mm set screw displaced by 180° relative to the keyway.
Part 4:
Size 68 :
Bore D
1
≥ 20 mm set screw displaced by 180° relative to the keyway.
Part 9:
The arrangement of the keyway must be obtained from table 7, depending on dimension "W2".
Position of the set screw to table 8.
Use threaded studs to DIN 916 with cup points as set screws (setscrew size to table 8).
The set screw is intended to fill out the screw thread as much as possible and must not project beyond the
hub.
Alternatively use end plate; as regards recess contact Siemens.
d1
e4
e3
d1
2)
1)
e9
d1
d1
e10
W2
W2
3)
4)
Fig. 5:
Position of the set screw
1) Coupling part 2
2) Coupling part 4
3) Coupling part 9, set screw on keyway
4) Coupling part 9, set screw offset approx. 180° relative to the keyway, arranged between the cams.
Table 7:
Arrangement of the set screw at coupling part 9
Size
W2
Version
Size
W2
Version
Size
W2
Version
125
36 ‐ 39
Fig. 3)
180
Fig. 3)
250
55 ‐ 69
Fig. 3)
< 36
Fig. 4)
200
56
Fig. 3)
< 55
Fig. 4)
140
36
Fig. 3)
< 56
Fig. 4)
280
55 ‐ 60
Fig. 3)
< 36
Fig. 4)
225
55 ‐ 78
Fig. 3)
< 55
Fig. 4)
160
Fig. 4)
< 55
Fig. 4)
315
Fig. 4)