EU-20-OI-v-1.2 gb. 28.07.14.docx
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2.9 Option with connecting plate
When the EU-20 electric gripper is equipped with an optional connecting plate on its
rear side it can be mounted directly with another module with 30 mm grid and a di-
ameter of 4.4 mm.
VP 149 connecting plate; order no.: 50332010
2.10 Tightening torques for bolts
The bolts to be used for assembly must at least satisfy the following conditions:
Standard:
VDI 2230
Strength:
class 8.8
Surface:
galvanized blue, oiled or greased
Thread
Tightening torques
M2
M2,5
M3
0,3 … 0,35 Nm
0,5 … 0,73 Nm
1,1 … 1,4 Nm
M4
2,6 … 3,3 Nm
M5
5,2 … 6,5 Nm
M6
9,0 ... 11,3 Nm
M8
21,6 … 27,3 Nm
Table 1: Tightening torques for bolts
