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RCLC glass spar scale: Installation drawing
For dimensioned readhead drawings see pages
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 (mm)
10
†
Measuring length (mm)
7
†
20 µm pitch RCLC scale only.
ATOM DX
linear installation guide
(Cabled readhead shown)
20
and 21.
40 µm version
(Yaw tol. ±1°)
0.36
20 µm version
(Yaw tol. ±0.5°)
0.18
Set-up LED
Readhead/scale orientation
Forward direction of readhead
relative to scale
18
30
55
80
100
15
27
52
77
97
Mid reference mark
readhead orientation
Scale datum edge
Mid reference mark
105
130
102
127
L / 2
6.82 ±0.25
A-9404-4018
6.35
Scale thickness (including adhesive) 1.1
Rideheight (for calibration):
Forward direction of readhead
relative to scale
2.5 ±0.055 (20 µm version)
For detailed installation drawings refer to
www.renishaw.com /opticalencoders
Dimensions and tolerances in mm
(Roll tol. ±1°)
0.22
2.5 ±0.08 (40 µm version)
2.5 ±0.04 (20 µm version)
Operating rideheight:
2.5 ±0.11 (40 µm version)
9
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