Torque Limiters SK

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Possible function systems for R+W Torque Limiters:
Single-position  |  Multi-position  |  Load holding  |  Full disengagement

Model SK2 technical information

Torque Limiter with clamping hub for direct drives

Series from 0.1 - 1,800 Nm

2D View SK 2 Torque Limiter

Data table and downloads Torque Limiter SK 2

Model SK 2

Series

1.5

2

4.5

10

15

30

60

80

150

200

300

500

800

1500

Adjustment range possible from - to
(approx. values) (Nm)

TKN

0.1-0.6
0.4- 1
0.8-1.5

0.2-1.5
or
0.5-2

1-3
or
3-6

2-6
or
4-12

5-20

10-25
or
20-40

10-30
or
25-80

20-70
or
30-90

40-160

30-90
60-160
120-240

100-200
150-240
200-320

80-200
200-350
300-500

400-650
500-800
650-850

650-800
700-1200
1000-1800

Adjustment range possible
from - to (approx. values), full disengagement (Nm)

TKN

0.3-0.8
or
0.6-1.3

0.5-2

2.5-4.5

2-5
or
5-10

7-15

8-20
or
16-30

20-40
or
30-60

20-60
or
40-80

80-150

80-140
or
130-200

120-180
or
180-300

60-150
100-300
250-500

200-400
or
450-800

1000-1250
or
1250-1500

Overall length (mm)

A

42

46

51

57

65

65

74

75

82

87

95

102

112

115

127

116

128

128

140

139

153

163

177

190

223

Overall length. full disengagement (mm)

AF

42

46

51

57

65

65

74

75

82

87

95

102

112

117

129

118

130

131

143

142

156

167

181

201

232

Actuation ring Ø (mm)

B

23

29

35

45

55

65

73

92

92

99

120

135

152

174

Actuation ring Ø, full disengagement (mm)

BF

24

32

42

51.5

62

70

83

98

98

117

132

155

177

187

Fit length (mm)

C

11

13

16

16

22

27

31

35

35

40

42

51

48

67

Inner diameter
from Ø to Ø H7 (mm)

D1 /
D2

3-8

4-12

5-14

6-20

10-26

12-30

15-32

19-42

19-42

24-45

30-60

35-60

40-75

50-80

Outside diameter of coupling (mm)

E

19

25

32

40

49

55

66

81

81

90

110

123

134

157

Distance (mm)

F

12

13

15

17

19

24

30

31

31

35

35

45

50

65

Distance,
(full disengagement) (mm)

FF

11.5

12

14

16

19

22

29

31

30

33

35

43

54

61

Distance (mm)

G

3.5

4

5

5

6.5

7.5

9.5

11

11

12.5

13

17

18

22.5

Distance between centers (mm)

H

6

8

10

15

17

19

23

27

27

31

39

41

2x48

2x55

Screw ISO 4762

I

M2.5

M3

M4

M4

M5

M6

M8

M10

M10

M12

M12

M16

2xM16

2xM20

Tighting torque in (Nm)

I

0.85

2

4

4.5

8

15

40

50

70

120

130

200

250

470

Approx. weight (kg)   0.035 0.07 0.2 0.3 0.4 0.6 1.0 2.0 2.4 4.0 5.9 9.6 14 21

Moment of interia
(10-3 kgm2)

Jges

0.01

0.01

0.01

0.02

0.02

0.06

0.07

0.10

0.15

0.27

0.32

0.75

0.80

1.80

1.90

2.50

2.80

5.10

5.30

11.5

11.8

22.8

23.0

42.0

83.0

Torsional stiffness
(103 Nm/rad)

CT

0.7

1.2

1.3

7

5

9

8

20

15

39

28

76

55

129

85

175

110

191

140

420

350

510

500

780

1304

Lateral misalignment (mm)

 

0.15

0.15

0.20

0.20

0.25

0.20

0.30

0.15

0.20

0.20

0.25

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

Angular misalignment (degrees)

 

1

1

1.5

1.5

2

1.5

2

1

1.5

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

Lateral spring stiffness (N/mm)

 

70

40

30

290

45

280

145

475

137

900

270

1200

420

920

255

1550

435

2040

610

3750

1050

2500

840

2000

3600

Actuation path (mm)

 

0.7

0.8

0.8

1.2

1.5

1.5

1.7

1.9

1.9

2.2

2.2

2.2

2.2

3

Downloads Short Version

1.5

2

4,5

10

15

30

60

80

150

200

300

500

800

1500

2D-DXF (single-position, multi-position, load-holdingt)
3D-EXE (single-position, multi-position, load-holding)
3D-STEP (single-position, multi-position, load-holding)
2D-DXF (full disengagement)
3D-EXE (full disengagement)
3D-STEP (full disengagement)
Downloads Long Version

1.5

2

4,5

10

15

30

60

80

150

200

300

500

800

1500

2D-DXF(single-position, multi-position, load-holding)
3D-EXE(single-position, multi-position, load-holding)
3D-STEP(single-position, multi-position, load-holding)
2D-DXF (full disengagement)
3D-EXE (full disengagement)
3D-STEP (full disengagement)

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