Table of Contents
Advertisement
RGH25F readhead installation drawing
27
6.2
3
9.5
21
(Yaw tol. ± 0.5°)
2 mounting holes
‡
M3 x 0.5 through
Reference mark
actuator
(A-9541-0037)
*
8.5
Optical centreline
*
Dimensions measured from substrate.
†
Required nominal 0.8 gap can be set using blue readhead spacer (supplied) positioned between readhead and actuator when positioning/fixing the actuator.
‡
The recommended thread engagement is 5 mm. The recommended tightening torque is between 0.5 and 0.7 Nm.
RGH25F RGS20 installation guide
Fixing screws
M3 x 0.5 x 8
Alternative
mounting face
Mounting face
0.3
36
4
26
21.1
8.5
Reference mark
sensor position
Arrow indicates forward direction
of readhead relative to scale
6 (RGS20-S)
6.3 (RGS20-P)
8
> 4
R>20 dynamic bend radius
R>10 static bend radius
(Pitch tol. ± 1°)
0.6
A
*
*
4
8
Dimensions and tolerances in mm
( )
0.8
-0.1
+0.2
†
See note
*
11.5
13.5
3.8
4.8
(Extent of mounting faces)
(Roll tol. ± 1°)
0.09
Detail A
Scale surface
Scale thickness
0.2 (RGS20-S)
0.3 (RGS20-P)
Readhead to
0.8 ± 0.1
scale clearance
Rideheight
3
Advertisement
Table of Contents
