SK1
Torque Limiter with conical clamp

0,1 - 2.800 Nm

SK1 TORQUE LIMITER WITH CONICAL CLAMP

Specifications SK1

SK1 series 1,5 2 4,5 10 15 30 60 150 200 300 500 800 1500 2500
Adjustment range available
from - to (approx. values) (Nm)
TKN
0.1-0.6
0.4-1
0.8-2
0.2-1.5
0.5-2.2
1.5-3.5
1-3
2-4.5
3-7
2-6
4-12
7-18
5-15
12-25
20-40
35-70
5-20
10-30
20-60
50-100
10-30
25-80
50-115
20-70
45-150
80-225
30-90
60-160
140-280
250-400
100-200
150-240
220-440
80-200
200-350
320-650
400-650
500-800
650-950
600-800
700-1200
1000-1800
1500-2000
2000-2500
2300-2800
Adjustment range available from - to (approx. values)(”F” Version) (Nm)TKN0.3-0.8

0.6-1.3
0.2-1

0.7-2
2.5-4.5 2-5
4-10
8-15
7-15 8-20

16-30
10-30
20-40
30-60
20-60
40-80
80-150
80-140

130-200
120-180
160-300
300-450
50-150
100-300
250-500
200-400

450-850
1000-1250

1250-1500
1400-2200
1800-2700
Overall length (mm)A23 28 32 39 40 50 54 58 63 70 84 95 109 146
Overall length (”F” Version) (mm)AF23 28 32 39 40 50 54 58 66 73 88 95 117 152
Actuation ring Ø (mm)B23 29 35 45 55 65 73 92 99 120 135 152 174 242
Actuation ring Ø, (”F” Version) (mm)BF24 32 42 51.5 62 70 83 98 117 132 155 177 187 258
Clamping fit length (mm)C7 8 11 11 19 22 27.5 32 32 41 41 49 61 80
Inner diameter
from Ø to Ø H7 (mm)
D
4-8 4-12 5-14 6-20 8-22 12-22 12-29 15-37 20-44 25-56 25-56 30-60 35-70 50-100
Pilot diameter h7 (mm)E14 22 25 34 40 47 55 68 75 82 90 100 125 168
Bolt hole circle diameter ± 0.2 (mm)F22 28 35 43 47 54 63 78 85 98 110 120 148 202
Flange outside diameter -0.2 (mm)G26 32 40 50 53 63 72 87 98 112 128 140 165 240
Thread H4xM2 4xM2.5 6xM2.5 6xM3 6xM4 6xM5 6xM5 6xM6 6xM6 6xM8 6xM8 6xM10 6xM12 6xM16
Thread depth (mm)I3 4 4 5 6 8 9 10 10 10 12 15 16 24
Centering length -0.2 (mm)J2.5 3.5 5 8 3 5 5 5 5 6 9 10 13.5 20
Distance (mm)K5 6 8 11 8 11 11 12 12 15 21 19 25 34
Distance (mm)L11 15 17 22 27 35 37 39 44 47 59 67 82 112
Distance (”F” Version) (mm)LF11.5 16 18 24 27 37 39 41.5 47 51.5 68 75 94 120
Distance (mm)M3.5 4 4 5
Screw ISO 4762N1xM2.5 1xM3 1xM4 1xM4 6xM4 6xM5 6xM5 6xM6 6xM6 6xM8 6xM8 6xM10 6xM12 6xM16
Tighting torque (Nm)N1 2 4 4.5 4 6 8 12 14 18 25 40 70 120
Outside diameter clamp ring (mm)O20 25 32 40
Diameter (mm)O113 18 21 30 35 42 49 62 67 75 84 91 112 154
Diameter Ø H7 (mm)O211 14 17 24 27 32 39 50 55 65 72 75 92 128
Distance between centers (mm)P6.5 8 10 15
Distance (mm)R1 1.3 1.5 1.5 2.5 2.5 2.5 2.5 3 3 4 4 4.5 6
Moment of interia

(10-³ kgm²)
Jges
0.01 0.02 0.05 0.07 0.15 0.25 0.50 1.60 2.70 5.20 8.60 20 31.5 210
Approx. weight (kg)D0.03 0.065 0.12 0.22 0.4 0.7 1.0 1.3 2.0 3.0 4.0 5.5 10 28
Actuation path (mm)0.7 0.8 0.8 1.2 1.5 1.5 1.7 1.9 2.2 2.2 2.2 2.2 3.0 3.0
CAD Portal 1,5 2 4,5 10 15 30 60 150 200 300 500 800 1500 2500
2D/3D Data 

Properties

  • Design:
    • model SK1 from 1.5 - 10 Nm with clamping hub.
    • 
model SK1 von 15 - 2,800 Nm with conical clamp.
    • absolutely backlash free through the frictional clamping connection.
  • Temperature range: -30° C to +120° C (-22° F to +248° F)
  • Service life: Maintenace free when operated within the technical specifications.
  • Tolerance: Tolerance between hub and shaft 0.01 - 0.05 mm.
  • Material: High strength, hardened steel
  • Properties of Torque Limiter model SK1:
    • absolutely backlash-free and torsionally rigid
    • compact, simple design
    • disengagement detection achieved through high indexing ring movement
    • low residual friction following disengagement
    • low moment of interia
    • self-adjusting
    • disengagement within 1 - 3 msecs.