Scale Specifications - Renishaw ATOM Series Installation Manual

Scale specifications

RTLF
Material
Form
(H × W)
Datum fixing
Reference mark
Accuracy RTLF20-S / RTLF40H-S ±5 μm/m
(at 20 °C)
RTLF40-S ±15 μm/m
Coefficient of thermal expansion
(at 20 °C)
Length *
Mass
RCLC
Material
Form
(H × W)
Datum fixing
Reference mark
Accuracy
(at 20 °C)
Coefficient of thermal expansion
Length (mm)
Mass
* For information on how the substrate affects the axis, contact your local Renishaw representative.
ATOM linear installation guide
Hardened and tempered martensitic stainless steel
fitted with a self-adhesive backing tape
0.41 mm × 8 mm (including adhesive)
Adhesive datum clamp (A-9585-0028) secured with
®
Loctite 435 ™
Auto-phase optical reference mark repeatable to
unit of resolution throughout specified speed and
temperature range.
Customer deselectable reference marks at 50 mm spacing.
Reference mark in the centre for lengths < 100 mm.
10.1 ±0.2 µm/m/°C
20 mm to 1 m in 10 mm increments
1 m to 10 m in 1 m increments
12.2 g/m
Soda-lime glass fitted with a self-adhesive backing tape
1.1 mm × 6.35 mm (including adhesive)
Fillet of RGG-2 two part epoxy adhesive (A-9531-0342)
Auto-phase optical reference mark repeatable to unit of
resolution throughout specified speed and temperature
range. Either mid or end of travel, determined by
orientation of the readhead.
±3 µm
~8 µm/m/°C
10, 18, 30, 55, 80, 100, 105, 130
13.9 g/m
RKLF
Material
Form
(H × W)
Scale pitch
Reference mark
Accuracy RKLF20-S / RKLF40H-S ±5 μm/m
(at 20 °C)
RKLF40-S ±15 μm/m
Coefficient of thermal expansion
(at 20 °C)
Length
Mass
End fixing
† Maximum recommended axis length 1 m for 20 μm systems.
The scale and end clamps must be installed following the installation process, see
‡
Hardened and tempered martensitic stainless steel fitted
with a self-adhesive backing tape
0.15 mm × 6 mm (including adhesive)
20 μm and 40 μm
Auto-phase optical reference mark repeatable to unit of
resolution throughout specified speed and temperature range.
Customer de-selectable reference marks at 50 mm spacing.
Reference mark in the centre of scale for lengths < 100 mm.
Matches that of substrate material when scale ends fixed
by epoxy mounted end clamp.
20 mm to 1 m in 10 mm increments
†
1 m to 10 m in 1 m increments
4.6 g/m
Epoxy mounted end clamps (A-9523-4015)
RGG-2 two part epoxy adhesive (A-9531-0342)
Scale end movement typically < 1 μm ‡
page 11 and page 13.
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