Rgh22 Readhead Installation Drawing - Renishaw RGH22 Installation Manual

RGH22 readhead installation drawing

Reference mark actuator
Epoxy mounted
(A-9531-0250)
14
7
14.5
6
(RGS20-S)
6.3 3
(RGS20-P)
P limit switch actuator
(A-9531-0251)
Dimple to substrate
‡
2 holes M3 x 0.5 x 7.5 deep
P limit switch sensor position
Ø4.7 max
*
10.6
*
2.2
*
†
Dimensions measured from substrate. Alternative mounting faces
‡
The recommended thread engagement is 5 mm. The recommended tightening torque is between 0.5 and 0.7 Nm.
RGH22 RGS20 installation guide
R>50 dynamic bend radius
R>10 static bend radius
>6
4
4
10
14.6
14.6
Arrow indicates forward direction
of readhead relative to scale
44
38
*
5
Reference mark sensor position
Optical centre
‡
2 holes M3 x 0.5 x 9.5 deep
(Yaw tol. ± 0.5°)
0.38
15.5
10.5
Q limit switch actuator
(
A-9531-0251)
Mount dimple up
(size as P actuator)
Q limit switch sensor position
A
3
(Pitch tol. ± 1°)
0.8
*
2
Dimensions and tolerances in mm
*
17
11.6
7.6
3.6
23.5
Set-up LED
(Roll tol. ± 1°)
0.13
Detail A
Readhead to
scale clearance
†
9
27
13
*
3
Scale surface
Scale thickness:
0.2
(RGS20-S)
0.3
(RGS20-P)
Rideheight 0.8 ± 0.1
3