Mechanical installation
50
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Version: 2.5
AG3300
Do not use compressed air and do not spray inside the gear
unit
Use a cloth for cleaning. Spray only the cloth with cleaning agent
and carefully clean the clamping hub.
Compressed air can damage the seals of the gear unit and clean-
ing agent directly sprayed inside can affect the coefficient of friction
of the clamping hub.
Leaks on gear units with grease lubrication
Seal the surfaces of the adapter plates, the drive housing and the
motor with a surface sealing adhesive.
Leaks may occur on the drive with gear units with grease lubrica-
tion. This so-called sweating can negatively affect the lifecycle of
the gear unit.
8.1
General tightening
torques
8.1.1
Steel
The specified tightening torques for nuts and bolts are mathematical
values based on the following requirements:
• Calculation according to VDI 2230 (February 2003 edition)
• Friction coefficient for threads and contact surfaces µ = 0.10
• Elastic limit utilization 90%
• Torque tools type II classes A and D according to ISO 6789
The setting values are rounded to conventional scalings or adjust-
ment possibilities:
Screw size
Quality of the screws
8.8
10.9
12.9
Tightening torque in Nm
M3
1.15
1.68
1.97
M4
2.64
3.88
4.55
M5
5.2
7.6
9
M6
9
13.2
15.4
M8
21.5
32
37.5
M10
42.5
62.5
73.5
M12
73.5
108
126
M14
118
173
202
M16
180
264
310
M18
258
368
430
M20
362
520
605
M22
495
700
820
M24
625
890
1040
Содержание AG3300
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