IAI ROBO Cylinder RCS4-WRA12C Instruction Manual page 157

Model Attachment
Name Holes
WRA10C
M4
WRA10R
WRA12C
M5
WRA12R
WRA14C
M6
WRA14R
WRA16C
M8
WRA16R
Caution
Do not attempt to apply torque above the allowable static torque on the rod.
The variation in angle for the reamed hole on the tip bracket against the bottom of the
base is ±1° at the maximum.
When the overhang of a transported object is large or when severe angle tuning is
required, do not use the reamed hole for installation of the transported object.
Reamed Hole
Notice
● Use of high–tension bolts meeting at least ISO 10.9 is recommended.
● Make sure to ensure the same length as the nominal diameter for the effective length of
thread engagement between a screw and a threaded hole when the threaded when the
threaded hole is made of steel and length 1 times of the nominal diameter when the
threaded hole is made of aluminum.
Attachment
In the case that
Hole
steel is used for the
Depth
bolt seating surface:
3.59N•m
6mm
(0.37kgf•m)
7.27N•m
8mm
(0.74kgf•m)
12.3N•m
10mm
(1.26kgf•m)
29.97N•m
12mm
(3.06kgf•m)
2.3 How to Install
Tightening Torque
In the case that
aluminum is used for
the bolt seating
surface:
1.76N•m
(0.18kgf•m)
3.42N•m
(0.35kgf•m)
5.36N•m
(0.55kgf•m)
11.48N•m
(1.17kgf•m)
Bottom of base
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