Bosch rexroth MCL Project Planning Manual page 170

Ironless linear motors
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Assembly
Fastening type - variant 1
Drilling diam‐
Secondary
eter within
part MCS ...
the secon‐
dary part
015
4.5 mm
020
4.3 mm
030
4.3 mm
040
6.4 mm
070
8.5 mm
Fastening type - variant 2
Thread di‐
Secondary
ameter with‐
part MCS ...
in secondary
part
015
M4
020
M5
030
M5
040
M6
070
M8
Bosch Rexroth AG R911330592_Edition 06
NOTICE
Observe during fastening of the secondary parts according to variant 2 that
the maximum screw-in depth specified in the table, is kept. In the case of de‐
fiance, the primary part can be irreparably damaged due to collision with
overhanging screws.
maximum
screw-in depth
Variant 1
depending from the customer´s
application
Tab. 13-1:
Fastening mode (variant 1) with tightening torques for MCS
maximum
screw-in depth
Variant 2
9 mm
9 mm
9 mm
11 mm
12 mm
Tab. 13-2:
Fastening mode (variant 2) with tightening torques for MCS
The calculation about firmness of screw connection for fastening the secon‐
dary part are based on the assumption that the screwing surface of the sec‐
ondary part and the screwing surface of the machine are clean and the sec‐
ondary part is screwed in direct contact with the machine and secured with
Loctite 243.
Motor damage due to insufficient air gap be‐
tween primary and secondary part!
Screw size
Fastening class
(DIN EN ISO
4762)
M4
M4
M4
8.8
M6
M8
Screw size
Fastening class
(DIN EN ISO
4762)
M4
M5
M5
8.8
M6
M8
MCL Ironless Linear Motors
Tightening torque
(+/-10%)
3.1 Nm
3.1 Nm
3.1 Nm
10.4 Nm
25 Nm
Tightening torque
(+/-10%)
3.1 Nm
6.1 Nm
6.1 Nm
10.4 Nm
25 Nm

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