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REXA ring installation drawing
Dimensions and tolerances in mm
10 ±0.1 *
6
Scale
0.25
D 2
D 1
D 3
Section A-A
*
Graduations are centred within this dimension
†
52 mm and 57 mm rings have dimple fiducial features and no slots.
RESOLUTE FS with BiSS
Safety encoder system installation guide and safety manual
®
Scale centreline
A
NOTE: The scale zero position
is radially aligned with the
centre of the mounting
hole to the left of the
'Renishaw' logo.
Fiducial marks,
4 positions,
to aid installation
A
Ring rotation to give
increasing count
θ
N holes Ø6 through
equi-spaced
D 4
Nominal
Dimensions
external
diameter
D1
D2
D3
(mm)
†
52
26
50
52.1 - 52.2
57
†
26
50
57.25 - 57.35
75
40.5
64.5
75.3 - 75.4
100
57.5
97.5
100.2 - 100.3
103
57.5
97.5
103.0 - 103.2
104
57.5
97.5
104.2 - 104.4
115
68
108
114.5 - 114.7
150
96
136
150.2 - 150.4
183
122.5
162.5
183.2 - 183.4
200
136
176
200.2 - 200.4
206
140.5
180.5
206.1 - 206.5
209
140.5
180.5
208.4 - 208.8
229
160.5
200.5
229.0 - 229.4
255
180.5
220.5
254.4 - 254.8
300
216
256
300.2 - 300.4
350
256
296
350.2 - 350.4
417
305
345
417.0 - 417.4
Original instructions
Holes
N
D4
θ θ
4
38
90°
4
38
90°
8
52.5
45°
8
77.5
45°
8
77.5
45°
8
77.5
45°
8
88
45°
8
116
45°
12
142.5
30°
12
156
30°
12
160.5
30°
12
160.5
30°
12
180.5
30°
12
200.5
30°
12
236
30°
16
276
22.5°
16
325
22.5°
14
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