ABB Robotics IRB 6790 Product Manual page 649

Oil-lubricated screws with slotted or cross-recess head screws
The following table specifies the recommended standard tightening torque for
oil-lubricated screws with slotted or cross-recess head screws.
Oil-lubricated screws with allen head screws
The following table specifies the recommended standard tightening torque for
oil-lubricated screws with allen head screws.
Dimension
M5
M6
M8
M10
M12
M16
M20
M24
Product manual - IRB 6790
3HAC063331-001 Revision: B
procedure descriptions. Any special torque specified overrides the standard
torque!
• Use the correct tightening torque for each type of screw joint.
• Only use correctly calibrated torque keys.
• Always tighten the joint by hand, and never use pneumatic tools.
• Use the correct tightening technique, that is do not jerk. Tighten the screw
in a slow, flowing motion.
• Maximum allowed total deviation from the specified value is 10%!
Note
A special torque specified in the repair, maintenance or installation procedure
overrides the standard torque.
Note
A special torque specified in the repair, maintenance or installation procedure
overrides the standard torque.
Tightening torque (Nm)
Class 8.8, oil-lubricated
6
10
24
47
82
200
400
680
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7 Reference information
Tightening torque (Nm) Tightening torque (Nm)
Class 10.9, oil-lubric- Class 12.9, oil-lubric-
ated ated
- -
- -
34 40
67 80
115 140
290 340
560 670
960 1150
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7.4 Screw joints
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