L-9517-9563-06-A_Data_sheet_ATOM_en.pdf - 第12页

12 A TOM miniature encoder system RCLC technical specications Material Soda-lime glass spar tted with a self-adhesive bac king tape Form (H × W) 1.1mm × 6.35mm (including adhesive) Scale pitch 20μm and 40μm Datum …

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11 ATOM miniature encoder system
RCLC glass spar installation drawing
Dimensions and tolerances in mm
A-9404-4018
0.36
0.18
0.22
(Roll tol. ±1°)
40µm version
(Yaw tol. ±1°)
20µm version
(Yaw tol. ±0.5°)
6.35
6.82 ±0.25
Scale thickness 1.1
FPC cable
Scale datumedge
Readhead
datum face
Set-up LED
0.36
(Pitch tol. ±1°)
End reference mark
head orientation
Mid reference mark
head orientation
L / 2
Offset 1.42 ±0.25
Adhesive datum clamp
(length 8 - 16, width 1 - 5 )
5
Forward direction of readhead
relative to scale
Forward direction of readhead
relative to scale
Reference
mark
Reference mark
Calibration rideheight:
2.5 ±0.08 (40µm version)
2.5 ±0.04 (20µm version)
Operating rideheight:
2.5 ±0.11 (40µm version)
2.5 ±0.055 (20µm version)
For detailed installation drawings refer to www.renishaw.com/atomdownloads.
12 ATOM miniature encoder system
RCLC technical specications
Material Soda-lime glass spar tted with a self-adhesive backing tape
Form (H × W) 1.1mm × 6.35mm (including adhesive)
Scale pitch 20μm and 40μm
Datum xing Fillet of adhesive (A-9531-0342) on one side of the scale
Reference mark Auto-phase optical reference mark repeatable to unit of resolution throughout specied
speed and temperature range.
Either mid or one end of travel, determined by orientation of the readhead.
Accuracy (at 20°C) ±3µm
Coefcient of thermal expansion ~8µm/m/°C
Mass 13.9g/m
Overall length (mm) 10 18 30 55 80 100 105 130
Measuring length (mm) 7 15 27 52 77 97 102 127
RCLC scale length
13 ATOM miniature encoder system
RCDM rotary disc installation drawing
Dimensions and tolerances in mm
10.25 ± ‘F’
Set-up LED
Alignment band
Reference mark
D3
1
D2
1
D1
1
0.22
(Roll tol. ±1°)
‘A’ ± ‘E’
0.36
(Pitch tol. ±1°)
For detailed information see the ATOM
™
rotary encoder systems
installation guide (Renishaw partno.M-9693-9717).
2.3 ±0.1
Glass disc
Black screen printing on reverse
of disc underneath incremental
and reference track.
Forward
direction of disc
(increasingcount)
FPC cable
Centre of alignment band
Centre of alignment band
Calibration rideheight :
2.5±0.08 (40 µm version)
2.5±0.04 (20 µm version)
Operating rideheight:
2.5±0.11 (40 µm version)
2.5 ±0.055 (20 µm version)
1
The dimensions D1, D2 and D3 are listed on the following page.