Renishaw ATOM - RCLC Glass Spar Scale Installation; RCLC Installation Drawing Details

22
ATOM linear encoder system
For detailed installation drawings refer to www.renishaw.com/atomdownloads
A-9404-4018
0.22
(Roll tol. ±1°)
40µm version
( Yaw tol. ±1°)
20µm version
( Yaw tol. ±0.5°)
6.35
6.82 ±0.25
End reference mark
Scale thickness 1.1
(including adhesive)
FPC cable
Scale datum edge
Readhead datum face
Set-up LED
Offset 1.42 ±0.25
0.36
(Pitch tol. ±1°)
End reference mark
readhead orientation
Mid reference mark
readhead orientation
Epoxy datum clamp
1
(length 8 - 16, width 1 - 5)
(page 23)
L / 2
5
Forward direction of
readhead relative to scale
Forward direction of
readhead relative to scale
0.36
0.18
Mid reference mark
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)
2.5 ±0.055 (20 µm version)
RCLC glass spar scale
RCLC installation drawing
Readhead / scale orientation
1
Can be applied on one or both sides of the scale.
Dimensions and tolerances in mm
Overall length 10 18 30 55 80 100 105 130
Measuring length 7 15 27 52 77 97 102 127
For dimensioned cabled and FPC readhead drawings, see page 51 and page 52.