Vionic Readhead Installation Drawing - Renishaw VIONiC RTLC20-S Installation Manual

VIONiC readhead installation drawing

(incremental and reference mark)
Reference mark
selector magnet
P limit magnet
Selected IN-TRAC ™
reference mark
Reference mark selector
sensor position
R > 30 Dynamic bend radius
R > 10 Static bend radius
†
5
Optical centreline marker
*
†
Extent of mounting face. Dimension from substrate surface.
VIONiC RTLC20-S installation guide
Optical centreline
18
29
7.8
7.8
Forward direction of
readhead relative to scale
6
min
35
23
11.5
(Yaw tol. ±0.4°)
Offset 2.75 ±0.5
Q limit magnet
Set-up LED
P and Q limit switch
sensor position
2 mounting holes M2.5 through,
counterbored Ø3 × 2.3 deep both sides.
NOTE: The recommended thread
engagement is 5 min (7.5 including
counterbore) and the recommended
tightening torque is between
0.25 and 0.4 Nm.
(Pitch tol. ±1°)
A
0.6
0.25
(Roll tol. ±0.5°)
0.08
13.5
Mounting faces
4.25
4.15
Detail A
Rideheight: 2.1 ±0.15
Dimensions and tolerances in mm
*
8.75
10
Scale reading surface
Scale thickness 0.4
(including adhesive)
3