
Slide RTLC20 scale into the
FASTRACK
carrier
ensuring the scale is fed under the projections
as shown.
Scale can be installed manually by either
pulling or pushing it through the
FASTRACK
carrier.
Alternatively use the optional
scale installation tool
(A-9589-0420) as shown, for
easy installation.
VIONiC RTLC20/
FASTRACK
installation guide
6
RTLC20/
FASTRACK
carrier installation
(Continued)
6
Ensure a gap > 1 mm
7
Optional: fix self‑adhesive end covers
ensuring a gap of at least 1 mm between
the end of the scale and the end cover.
Projections
NOTE:
For instructions on how to use the scale
installation tool, download the
RTL scale installation
tool (A-9589-0420)
user guide (Renishaw
part no. M-9589-9101) from the website at
www.renishaw.com/encoderinstallationguides
IMPORTANT:
If manually installing
the scale using fingers, suitable
gloves should be worn to protect
against injury from sharp edges.
8
Clean
FASTRACK
and scale
using a lint-free cloth.
Scale datum
The datum clamp fixes the RTLC20 scale rigidly to the substrate at the location chosen.
CAUTION:
The metrology of the system may be compromised if the datum clamp is not used.
The datum clamp does not need to be fitted adjacent to a reference mark. It can be positioned anywhere
along the axis depending upon the customer’s requirements.
Mechanical clamp
Adhesive clamp
Using dispensing tip P-TL50-0209 apply Loctite 435
between the scale and the
FASTRACK
carrier so it
wicks underneath adjacent to user selected datum
location as shown.
NOTE:
Drawing shows the scale datum adjacent to
the chosen reference mark.
NOTE:
When the reference mark and
datum clamp are aligned as shown,
the reference output will be positionally
repeatable with respect to the substrate.
Reference mark
selector magnet
3
Do not place
clamp tip
over shaded area
IN-TRAC
reference mark
12
25
Bolted datum clamp
(A-9589-0077)
M3 × 6 low head screw,
supplied with clamp
†
15 ±1
†
Additional screws available (pack of 25 A-9584-2047).
NOTE:
Only apply Loctite 435 in
these gaps to ensure best bond.
Loctite 435 will wick under the
scale to lock it to the substrate.
16
12
2.3
1.7
5 min
thread
depth