Rclc Glass Spar Scale; Installation Drawing - Renishaw ATOM Installation Manual

RCLC glass spar scale:

Installation drawing

For dimensioned cabled and FPC readhead drawings see page 26 and 27.
End reference mark
readhead orientation
Readhead
datum face
1.42 ±0.25
5
End reference mark
Adhesive datum clamp*
(length 8 - 16, width 1 - 5)
(A-9531-0342)
(see page 10)
(Pitch tol. ±1°)
0.36
*
Can be applied on one or both sides of the scale.
†
Overall length (L)
10 18
Measuring length 7 15
†
20 µm pitch RCLC scale only.
ATOM
linear installation guide
40 µm version
(Yaw tol. ±1°)
0.36
20 µm version
(Yaw tol. ±0.5°)
0.18
Set-up LED
FPC cable
Forward direction of readhead
relative to scale
30 55 80 100 105 130
27 52 77 97 102 127
Mid reference mark
readhead orientation
Scale
datum edge
Mid reference mark
Readhead/scale orientation
L/2
6.82 ±0.25
A-9404-4018
Scale thickness (including adhesive) 1.1
Rideheight (for calibration):
2.5 ±0.08 (40 µm version)
Forward direction of readhead
2.5 ±0.04 (20 µm version)
relative to scale
Operating rideheight:
2.5 ±0.11 (40 µm version)
2.5 ±0.055 (20 µm version)
For detailed installation drawings refer to www.renishaw.com
Dimensions and tolerances in mm
(Roll tol. ±1°)
0.22
6.35
9