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RTLA30/FASTRACK scale system installation drawing
Dimensions and tolerances in mm
1
1 minimum (gap)
2
0.75 ±1
18 ±0.1
Scale end cover
(Pair A-9589-0058)
Ra 3.2
The orientation of the scale determines the count direction
Moving the readhead in this
direction increases the count
1
All dimensions applicable when using side cable outlet version.
2
For thermal expansion.
3
Assumes 1 mm gap between the scale and the end covers and zero gap between the FASTRACK carrier and the end covers. The minimum recommended FASTRACK carrier length = 100 mm.
4
Only required for sectional installations.
Original instructions
10 maximum (gap)
0.1 / 100
F = axis of motion
RTLA30 scale (A-9764-xxxx)
Optical centreline
NOTE: Reversing the readhead
orientation has no effect on the
count direction
Moving the readhead in this
direction increases the count
Overall length (OL) = (ML + 22)
Scale length (L) = (ML + 10)
Measuring length (ML)
FASTRACK length (L − 24)
3
0.5
F
A
FASTRACK (A-9704-xxxx)
0.05 F
F = axis of motion
Detail A
B
5
18
Detail B
2 locations for spots of
Loctite
435
to secure
®
™
axis datum position
35 max
4
www.renishaw.com
61
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