IAI America RCS2-RTC12L User Manual
Page 30
24
4. Installation
Tightening torque
When mounting the tool or frame on the output shaft, do so according to the tightening torques listed
below.
Recommended tightening torque N•cm (kgf•cm)
Tapped hole diameter
Bearing surface - Copper
Bearing surface - Aluminum
M4
359 (36.7)
176 (18)
M5
727 (74.2)
342 (34.9)
M6
1234 (126)
536 (54.7)
* Hexagonal socket head bolt of strength category 10.9
Tightening screws
x Use high-tension bolts of ISO-10.9 or higher.
x If tapped holes are used, make sure the screws are not longer than the fitting length.
x Make sure the effective fitting length between the bolt and tapped hole used for installing the actuator
is at least one of the following values, whichever is applicable:
x When the material of the tapped through hole is steel: Same as the nominal diameter
x When the material of the tapped through hole is aluminum: Twice the nominal diameter