IAI America RCA2-TW4N - Manual (Page 76)

68
9. Installation
[2] TWA3NA, TWA3N (Slide screw, Ball screw), TWA4NA, TWA4N (Slide screw, Ball screw)
This actuator contains installation tapped holes which allow it to be secured from the rear.
The actuator also contains long holes and reamed holes for use with positioning pins.
Long hole
(TWA3NA, TWA3N (Slide screw, Ball screw))
Long hole
3-M4,
depth 6
3-M4, depth 6
4-M4, depth 6
depth 3
(TWA4NA, TWA4N (Slide screw, Ball screw))
depth 3
Long hole
Reamed hole
Reamed hole
Tapped hole
4-M4, depth 6
Tapped hole
depth 3
depth 3
Tightening torque
Model
Tap size and
maximum
screw-in depth
Applicable
bolt Bolt bearing surface is
steel
Bolt bearing surface is
aluminum
Long hole
Reamed hole
(mm)
M4, depth 6 M4 3.59 N-m (0.37 kgf-m) 1.76 N-m (0.18 kgf-m)
A: 3, B: 4,
depth 3
3, depth 3
M4, depth 6 M4 3.59 N-m (0.74 kgf-m) 1.76 N-m (0.35 kgf-m) 3, depth 3
TWA3NA
TWA3N
(Slide screw)
(Ball screw)
TWA4NA
TWA4N
(Slide screw)
(Ball screw)
A: 3, B: 4,
depth 3
F
F