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Torque Limiters SK - R + W Coupling Technology - #9

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Text version of the page
single-position multi-position load holding full disengagement
MODEL SK3
BACKLASH FREE TORQUE LIMITER
with tapered clamp connection
Material:
Bellows made of highly elastic stainless steel Torque limiter: High strength hardened steel. Hub material: Steel
With slotted tapered conical sleeves and removal jack screws
For actuation path see table
Design:
Temperature range:
Backlash:
-30° C to +120° C
Absolutely backlash free as a result of the frictional clamp connection and the patented R+W principle
These coupling are maintenance free and have extreme service life as long as the performance limits are not ecxeeded.
Tolerance between hub and shaft 0.01-0.05 mm
Service life:
Fit tolerance:
Ordering specifications:
Optional sealed version for wash down and foodservice application. See page 16.
see page 11
Model SK 3
150
200
300
500
800
1500
2500
Adjustment range available from (approx. values)
(Nm)
5-10 or
8-20
10-25 or
20-40
10-30
or
25-80
20-70
45-150
80-200
30-90
60-160
140-280
100-200
150-240 220-400
80-200 200-350
300-500
400-650
500-800
600-900
650-850
700-1200
1000-1800
1500-2000
2000-2500
2300-2800
Adjustment range
available from (approx. values)
(full disengagement)
(Nm)
7-15
8-20
or 16-30
20-40
or
30-60
20-60
40-80 80-150
80-140
or 130-200
120-180
or 160-300
60-150
100-300 250-500
200-400
or
450-800
1000-1250
or
1250-1500
1400-2200
or
1800-2700
Overall length
(mm)
62
69
72
80
84
94
93
105
99
111
114
128
123
136
151
175
246
Overall length
(full disengagement)
(mm)
62
69
72
80
84
94
93
105
102
114
117
131
127
140
151
184
252
Actuation ring 0
(mm)
55
65
73
92
99
120
135
152
174
243
Actuation ring 0 (full disengagement)
(mm)
62
70
83
98
117
132
155
177
187
258
Fit length
(mm)
19
22
27
32
32
41
41
49
61
80
Inner diameter from 0 to 0 H7
(mm)
D,/D2
10-22
12-23
12-29
15-37
20-44
25-56
25-60
30-60
35-70
50-100
Outer diameter of coupling
(mm)
E
49
55
66
81
90
110
123
133
157
200
Distance
(mm)
F
13
16
18
19
19
23
25
31
30
34
Distance
(full disengagement)
(mm)
13
14
17
18
17
20
22
20
26
31
6x ISO 4017
M4
M5
M5
M6
M6
M8
M8
M10
M12
M16
Tightening torque
(Nm)
I
4
6
8
12
14
18
25
40
70
120
Approx. weight
(kg)
0.3
0.4
1.2
2.3
3.0
5.0
6.5
9.0
16.3
35
Moment of inertia
(10-3 kgm2)
0.10
0.15
0.28
0.30
0.75
0.80
1.90
2.00
2.80
3.00
5.50
6.00
11.0
12.8
20
42
257
Torsional stiffness
(103 Nm/rad)
20
15
39
28
76
55
175
110
191
140
420
350
510
500
780
1304
3400
Lateral misalignment max.
(mm)
0.15
0.20
0.20
0.25
0.20
0.25
0.20
0.25
0.25
0.30
0.25
0.30
0.30
0.35
0.35
0.35
0.35
Angular misalignment max.
(degrees)
1
1.5
1
1.5
1
1.5
1
1.5
1.5
2
1.5
2
2
2.5
2.5
2.5
2.5
Lateral spring stiffness
(N/mm)
475
137
900
270
1200
380
1550
435
2040
610
3750
1050
2500
840
2000
3600
6070
Actuation path
(mm)
1.5
1.5
1.7
1.9
2.2
2.2
2.2
2.2
3
3
AF, BF, FF = Full disengagement version
www.rw-america.com
R+W
9
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