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RESM20 installation drawing ('A' section)
Dimensions and tolerances in mm
N holes equally spaced on PCD ØDH Ø3.5 through
counterbore top face Ø6 × 3 deep
N holes equally spaced on PCD ØDH M3 × 0.5 through
counterbore top face Ø3.5 × 4 deep
A
A
ØDI
ØDH
ØDO
θ
NOTE:
is the angle between one tapped hole and the adjacent clearance hole.
The angle between two clearance holes is 2
TONiC RESM20 Functional Safety installation guide and safety manual
θ
0.5 × 45°
3
θ
.
Nominal
external
diameter
(mm)
52
57
75
100
10
103
104
115
150
200
206
15° ±0.2°
209
229
255
1 × 45°
300
350
Section A–A
413
417
489
550
*
There are no tapped holes on the 489 mm ring.
IMPORTANT: TONiC FS readheads must be used with the correct size RESM.
Ensure matching part numbers when ordering.
Original instructions
Line
DO
DI
Mounting holes
count
(mm)
(mm)
DH
N
(mm)
52.20
30.04
8 192
40
6
52.10
30.00
57.35
37.04
9 000
47
6
57.25
37.00
75.40
55.04
11 840
65
6
75.30
55.00
100.30
80.04
15 744
90
6
100.20
80.00
103.20
80.04
16 200
90
6
103.00
80.00
104.40
80.04
16 384
90
6
104.20
80.00
114.70
95.04
18 000
105
6
114.50
95.00
150.40
130.04
23 600
140
9
150.20
130.00
200.40
180.04
31 488
190
12
200.20
180.00
206.50
186.05
32 400
196
12
206.10
186.00
208.80
186.05
32 768
196
12
208.40
186.00
229.40
209.05
36 000
219
12
229.00
209.00
254.80
235.06
40 000
245
12
254.40
235.00
300.40
280.06
47 200
290
16
300.20
280.00
350.40
330.06
55 040
340
16
350.20
330.00
412.70
392.08
64 800
402
18
412.30
392.00
417.40
380.10
65 536
390
18
417.00
380.00
489.12
451.10
76 800
462
20
488.72
450.90
550.20
510.10
86 400
520
20
549.80
510.00
Readhead
model
θ
30°
T4021
30°
30°
30°
30°
T4011
30°
30°
20°
15°
15°
15°
15°
15°
T4001
11.25°
11.25°
10°
10°
*
18°
9°
7
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