SK5 | Torque Limiter Coupling
With Clamping Hub And
Press-Fit Version
The SK5 is a torque limiting coupling with an actuation ring that moves upon disengagement that can be used to trigger an external sensor. The actuation ring has a one to three millisecond response time which is is generally faster than electronic solutions with typical reaction times between fifteen and seventeen milliseconds.
Faster response times translate to less wear and tear on equipment, which saves on downtime and expenses.
The frictional clamping connection provides for absolutely backlash free operation. Hubs utilize one radial screw (ISO 4762) and are made of aluminum up to series 80, while series 150 and up are steel.
Made from high strength, hardened steel, the torque limiting portion delivers precise, reliable overload protection.
The bellows are made of stainless steel.
This coupling will deliver a long, maintenance free service life while operated within the technical specifications.
It is a long-term, backlash free, low inertia, torsionally rigid solution.
TORQUE LIMITER WITH CLAMPING HUB AND
PRESS-FIT VERSION
0.1 - 850 NM
SK5 Series Variants
*See above picture for reference
| Item | Length A | Length Af | ActRing B | Act Ring Bf | Fit Length (mm) | I.D. D1(mm) | I.D. D2(mm) | I.D. D3(mm) | O.D. E | Distance F | Distance G | Distance H | Distance FF | Screw | Screw Tq | Axial Rec Force | Pretension (mm) | MomentInertia 1 | Weight (kg) | Torsion Stiff | Lateral | Angular | Adj Tq | Adj Tq F | Actuation Dist | Lateral Spring Stiff |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SK5-1,5 | 44 | 44 | 23 | 24 | 14/11 | 3-8 | 3-8 | 9,1 | 19 | 12 | 11,5 | 3,5 | 6 | M2,5 | 1 | 4 | 0,1-0,5 | 0,01 | 0,038 | 0,7 | 0,15 | 1 | 0,1-0,6 | 0,4-1 | 0,8-1,5 | 0,3-0,8 | 0,6-1,3 | 0,7 | 70 |
| SK5-2 | 48 | 54 | 48 | 54 | 29 | 32 | 16/13 | 4-12 | 4-12 | 12,1 | 25 | 13 | 12 | 4 | 8 | M3 | 2 | 8 | 5 | 0,2-0,7 | 0,01 | 0,01 | 0,07 | 1,2 | 1,3 | 0,15 | 0,20 | 1 | 1,5 | 0,2-1,5 | 0,5-2 | 0,2-1 | 0,7-2 | 0,8 | 40 | 30 |
| SK5-4,5 | 60 | 68 | 60 | 68 | 35 | 42 | 19/16 | 5-16 | 5-14 | 14,1 | 32 | 15 | 14 | 5 | 10 | M4 | 4 | 15 | 10 | 0,2-0,7 | 0,02 | 0,02 | 0,2 | 7 | 5 | 0,20 | 0,25 | 1,5 | 2 | 1-3 | 3-6 | 2,5-4,5 | 0,8 | 290 | 45 |
| SK5-10 | 70 | 79 | 70 | 79 | 45 | 51,5 | 21/16 | 5-20 | 5-20 | 20,1 | 40 | 17 | 16 | 5 | 15 | M4 | 4,5 | 25 | 30 | 0,2-1,0 | 0,06 | 0,07 | 0,3 | 8 | 7 | 0,20 | 0,30 | 1,5 | 2 | 2-6 | 4-12 | 2-5 | 5-10 | 1,2 | 280 | 145 |
| SK5-15 | 76 | 83 | 76 | 83 | 55 | 62 | 28/22 | 8-22 | 8-26 | 21,1 | 49 | 19 | 19 | 6,5 | 17 | M5 | 8 | 20 | 12 | 0,2-1,0 | 0,10 | 0,15 | 0,4 | 12 | 10 | 0,15 | 0,20 | 1 | 1,5 | 5-10 | 8-20 | 7-15 | 1,5 | 475 | 137 |
| SK5-30 | 89 | 97 | 89 | 97 | 65 | 70 | 33/27 | 10-25 | 10-30 | 24,1 | 55 | 24 | 22 | 7,5 | 19 | M6 | 15 | 50 | 30 | 0,5-1,0 | 0,27 | 0,32 | 0,6 | 18 | 16 | 0,20 | 0,25 | 1 | 1,5 | 10-25 | 20-40 | 8-20 | 16-30 | 1,5 | 900 | 270 |
| SK5-60 | 105 | 115 | 105 | 115 | 73 | 83 | 39/31 | 12-32 | 12-32 | 32,1 | 66 | 28 | 29 | 9,5 | 23 | M8 | 40 | 70 | 45 | 0,5-1,0 | 0,75 | 0,80 | 1,4 | 40 | 31 | 0,20 | 0,25 | 1 | 1,5 | 10-30 | 25-80 | 20-40 | 30-60 | 1,7 | 1200 | 420 |
| SK5-80 | 115 | 127 | 117 | 129 | 92 | 98 | 43/35 | 14-38 | 14-42 | 36,1 | 81 | 31 | 31 | 11 | 27 | M10 | 50 | 48 | 32 | 0,5-1,0 | 1,80 | 1,90 | 2 | 68 | 45 | 0,20 | 0,25 | 1 | 1,5 | 20-70 | 30-90 | 20-60 | 40-80 | 1,9 | 920 | 290 |
| SK5-150 | 116 | 128 | 118 | 130 | 92 | 98 | 43/35 | 14-38 | 14-42 | 36,1 | 81 | 31 | 30 | 11 | 27 | M10 | 70 | 82 | 52 | 0,5-1,0 | 2,50 | 2,80 | 2,4 | 90 | 60 | 0,20 | 0,25 | 1 | 1,5 | 20-70 | 45-150 | 80-150 | 1,9 | 1550 | 435 |
| SK5-300 | 143 | 157 | 146 | 160 | 120 | 132 | 52/42 | 30-56 | 30-60 | 58,1 | 110 | 35 | 36 | 13 | 39 | M12 | 130 | 157 | 106 | 0,5-1,5 | 6,5 | 7,0 | 5,9 | 220 | 190 | 0,25 | 0,30 | 1,5 | 2 | 100-200 | 150-240 | 200-320 | 120-200 | 160-300 | 2,2 | 3750 | 1050 |
| SK5-500 | 166 | 180 | 170 | 184 | 135 | 155 | 61/52 | 35-60 | 35-60 | 60,1 | 123 | 45 | 43 | 17 | 41 | M16 | 200 | 140 | 96 | 0,5-2,0 | 13,0 | 17,0 | 9,6 | 260 | 250 | 0,30 | 0,35 | 2 | 2,5 | 80-200 | 200-350 | 300-500 | 60-150 | 100-300 | 250-500 | 2,2 | 2500 | 840 |
| SK5-800 | 196 | 207 | 152 | 177 | 74/48 | 40-62 | 40-75 | 60,1 | 134 | 50 | 54 | 18 | 2x48 | 2xM16 | 250 | 200 | 0,5-2,0 | 50 | 15 | 390 | 0,35 | 2,5 | 400-650 | 500-800 | 650-850 | 200-400 | 450-800 | 2,2 | 2000 |
Product Manual
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