Renishaw RCH25U30J00A Installation Manual page 3

RGH24/25 Installation drawing
Dimensions and tolerances in mm.
27
21
9.5 6.2 3
0.3
(Yaw Tol. ± 0.5°)
A-9541-0037
Reference mark
actuator
8.5*
2 Mounting holes
M3 x 0.5 through
Optical centreline
*Dimensions measured from substrate
Arrow indicates forward direction of
Fixing screws
M3 x 0.5 x 8
Set-up LED
Alternative mounting face
12.8
5.5
Mounting face
>4
36
>R20 Dynamic bend radius
4
>R10 Static bend radius
26
21.1
8.5
A
Reference mark sensor /
limit switch sensor position
readhead relative to scale
11.9
8
6
JST connector
version
5
4* 8*
4.3
23
17
3 6
9.3
3
(Pitch Tol. ± 1°)
6.4*
0.6
A-9541-0040
Limit switch
actuator
15.8*
0.8
13.5
3.8
4.8
(Extent of mounting faces)
0.09
(Roll Tol. ± 1°)
Detail A
Readhead
Scale
thickness
0.2
Scale surface
Readhead to 0.8 ± 0.1
scale clearance Rideheight