IAI America RCA2-TW4N - Manual (Page 79)

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9. Installation
[3] TFA3NA, TFA3N (Slide screw, Ball screw), TFA4NA, TFA4N (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.
3-M4, depth 6
Long hole
3-M4, depth 6
depth 3
depth
3
Long hole
Reamed hole
Reamed hole
Long hole
Tapped hole
4-M4, depth 3
4-M4, depth 4
Tapped hole
(TFA3NA, TFA3N (Slide screw, Ball screw))
(TFA4NA, TFA4N (Slide screw, Ball screw))
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 3 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 4 M4 3.59 N-m (0.74 kgf-m) 1.76 N-m (0.35 kgf-m) 3, depth 3
TFA3NA
TFA3N
(Slide screw)
(Ball screw)
TFA4NA
TFA4N
(Slide screw)
(Ball screw)
A: 3, B: 4,
depth 3
F
F