Renishaw VIONiC RTLC20-S, Руководство по установке, Страница: 6 / 15

VIONiC RTLC20-S installation guide 4
RTLC20-S scale installation drawing
(Adhesive datum clamp)
Dimensions and tolerances in mm
Scale length ( L )
Overall length ( L + 37 )
Measuring length ML = (L − 17) (ML = (L − 32) with dual limits)
Readhead optical detector position at extent of travel
P limit magnet
(A-9653-0138)
P and Q limit switch
sensor position
VIONiC readhead
Nominal P limit
trigger point
Q limit magnet
(A-9653-0139)
(Dimensions as P limit)
Reference mark selector magnet
(A-9653-0143)
(Dimensions as P limit)
B
Optical centreline (incremental and reference mark)
5
10
15
9.2
Optional end cover
(Pair A-9585-0035)
5
8
START (See page 5)
FINISH (See page 5)
A
C
End cover
alignment
indicator
0.5
F
0.2/100
0.05
F
F = axis of motion
F = axis of motion
Nominal Q limit
trigger point
Ra 3.2
Optional bolted reference mark selector or limit magnets
22
18
10
3.7
Ø2.2
†
1.85
18.5 ±1
0.8
3.5
Detail A
12
1.5
*
4.5
3.7
Datum clamp
(A-9585-0028)
RTLC20-S scale
Detail C Detail B
15 ±1
IN-TRAC reference mark
Bolted magnet type Part number
P limit A-9653-0292
Q limit A-9653-0291
Reference mark selector A-9653-0290
*
Dimension from substrate surface.
†
Supplied with 2 × M2 × 4 screws.
NOTES: The reference mark selector and limit actuator locations are correct for the readhead orientation shown.
External magnetic fields greater than 6 mT, in the vicinity of the readhead, may cause false activation of the limit and reference sensors.