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EVOLUTE readhead installation drawing
16.5
6.4
17.2
7.8
4.25 ±1
Orientation of scale determines count direction
Moving head
increases count
direction
NOTE: Reversing head orientation has no effect on count direction.
EVOLUTE RTLA50-S installation guide
(Yaw tol. ±0.75°)
0.47
R>20 Dynamic bend radius
R>10 Static bend radius
(Roll tol. ±0.5°)
0.05
3
Scale and optical centreline
Moving head
increases count
direction
Set-up LED
6.5 min
36
18
12
14
10 typ*
Optical centreline
Dimensions and tolerances in mm
8
2 mounting holes M3 through,
counterbored each side, 3 deep
†
6 typ*
*Extent of mounting faces.
A
†
Recommended thread engagement
5 mm (8 mm including counterbore).
Recommended tightening torque
0.5 to 0.7 Nm.
(Pitch tol. ±0.5°)
0.31
Detail A
Scale
reading
surface
Readhead to
Rideheight
scale clearance
0.8 ± 0.25
Scale thickness 0.2
Adhesive thickness 0.2
3
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