IAI America RCA2-SD4N User Manual
Page 47

8. Installation
39
8.2
Short Types (Nut affixing types)
RN3NA, RN3N (Lead screw, ball screw), RN4NA, RN4N (Lead screw, ball
screw)
8.2.1 Installation of Actuator
Install the actuator by guiding it through a hole of approx. 5 to 10 mm provided in a smooth plate.
• Use the nut on the actuator rod to install the actuator onto the actuator mounting plate.
• The base of the male thread on the actuator side has a tolerance of h8. Use this part as a pilot
section.
Actuator mounting plate
Actuator
Nut
Type
M
Width across flats
Maximum tightening
torque
RN3NA, RN3N (Lead screw, ball screw)
M20 × 1.0
29
49.4N·m
RN4NA, RN4N (Lead screw, ball screw)
M24 × 1.0
32
76.8N·m
Caution : Do not tighten excessively beyond the maximum tightening torque.
The actuator may be damaged.