4
RGH22 RGS20 installation guide
RGS20 scale installation drawing
Dimensions and tolerances in mm
NOTE:
The surface roughness of the scale mounting surface must be ≤3.2 Ra.
The parallelism of the scale surface to the axis of motion (readhead rideheight variation) must be within 0.05 mm.
Overall length (ML + 70)
Scale length (ML + 40)
Measuring length (ML)
Readhead optical centreline
Reference mark sensor position (inside readhead)
0.5
0.2/100
F
>5
>5
<10
30
13
6
(RGS20-S)
6.3
(RGS20-P)
F = axis of motion
22
14
8
10
5
Optional bolted reference mark actuator
(A-9531-0287)
<10
Q limit
P limit
Reference mark actuator position range
>3
>3
