ABB IRB 6700 Series, Product Manual

Page: 826 / 846

• 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% !
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.
Note
A special torque specified in the repair, maintenance or installation procedure
overrides the standard torque.
Oil-lubricated screws with allen head screws
The following table specifies the recommended standard tightening torque for
oil-lubricated screws with allen head screws.
Note
A special torque specified in the repair, maintenance or installation procedure
overrides the standard torque.
Tightening torque (Nm)
Class 12.9, oil-lubric-
ated Tightening torque (Nm)
Class 10.9, oil-lubric-
ated Tightening torque (Nm)
Class 8.8, oil-lubricated Dimension
- - 6 M5
- - 10 M6
40 34 24 M8
80 67 47 M10
140 115 82 M12
340 290 200 M16
670 560 400 M20
1150 960 680 M24
Lubricated screws (Molycote, Gleitmo or equivalent) with allen head screws
The following table specifies the recommended standard tightening torque for
screws lubricated with Molycote 1000, Gleitmo 603 or equivalent with allen head
screws.
Note
A special torque specified in the repair, maintenance or installation procedure
overrides the standard torque.
Tightening torque (Nm)
Class 12.9, lubricated
i
Tightening torque (Nm)
Class 10.9, lubricated
i
Dimension
35 28 M8
Continues on next page
826 Product manual - IRB 6700
3HAC044266-001 Revision: N
© Copyright 2013 - 2018 ABB. All rights reserved.
8 Reference information
8.4 Screw joints
Continued