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RCLC glass spar scale
RCLC installation drawing
For dimensioned cabled and FPC readhead
drawings see
page 27
and
page
28.
End reference mark
readhead orientation
Readhead datum face
Offset 1.42 ±0.25
5
End reference mark
Epoxy datum clamp *
( length 8 - 16, width 1 - 5)
(page 16)
(Pitch tol. ±1°)
0.36
Overall length L (mm)
10
Measuring length (mm)
7
*
Can be applied on one or both sides of the scale.
ATOM DX
linear installation guide
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
Forward direction of readhead
relative to scale
2.5 ±0.055 (20 µm version)
Dimensions and tolerances in mm
(Roll tol. ±1°)
0.22
Calibration rideheight:
2.5 ±0.08 (40 µm version)
2.5 ±0.04 (20 µm version)
Operating rideheight:
2.5 ±0.11 (40 µm version)
14
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