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Front and back mounted (SK-16 excluded). Easy to install
Self-centering chuck improve efficiency.
SK types chucks have wider utilization range; Top jaws can be changed quickly between hard jaws or soft jaws
hard jaws suitable for heavy cutting; soft jaws suitable for light and precision cutting. It is convenient to change between hard jaws and soft jaws.
Interchangeable utilization of internal and external hard jaws for widely clamping methods
SK self-centering scroll chuck feature economical and durable, suitable for mass production.
Gripping accuracy of 0.03mm (0.0012 inch) T.I.R..
The body is made of highly strength and durability MEEHANITE. It is suitably used for high speed revolution also durable 3 times more than regular material.
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SK
3-jaw strong scroll chuck plain back, 2-piece jaws (front and back mounted)
Drawings
Specifications
| SPEC Model | A | B | C | D | E | F | G Back / Front | H | J | K | L | Allowable Handle Torque (kgf‧m) | Gripping Force (kgf) | Max. Speed (r.p.m.) | Max. Speed (r.p.m.) | Moment Of Inertia I (kg‧m2 ) | Gripping Range Back / Front O.D. Range / I.D. Range |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SK-4 | 112 | 58 | 80 | 95 | 32 | 4.8 | — / 3-M8x65 | 47 | 19 | 31.6 | 8 | 4.5 | 1200 | 2500 | 3.8 | - | Ø3-Ø95 / Ø34-Ø90 |
| SK-6 | 167 | 67 | 130 | 147 | 45 | 5.5 | 3-M10 / 3-M10x70 | 72 | 26 | 40.2 | 10 | 9.0 | 2200 | 2000 | 9 | 0.03 | Ø4-Ø160 / Ø55-Ø150 |
| SK-7 | 192 | 76.5 | 155 | 172 | 58 | 5.5 | 3-M10 / 3-M10x80 | 81.2 | 28 | 42 | 11 | 11.0 | 2500 | 2000 | 13.8 | 0.06 | Ø8-Ø180 / Ø62-Ø170 |
| SK-8 | 200 | 76.5 | 160 | 176 | 58 | 5.5 | 3-M10 / 3-M10x80 | 82 | 28 | 42 | 11 | 11.0 | 2500 | 2000 | 15.5 | 0.07 | Ø8-Ø190 / Ø68-Ø180 |
| SK-9 | 232 | 84 | 190 | 210 | 70 | 6 | 3-M12 / 3-M12x90 | 90.9 | 32 | 51.2 | 12 | 15.0 | 3000 | 2000 | 22 | 0.16 | Ø11-Ø220 / Ø70-Ø210 |
| SK-10 | 273 | 87 | 230 | 250 | 89 | 8 | 3-M12 / 3-M12x90 | 100.5 | 35 | 56.7 | 12 | 19.5 | 4000 | 1800 | 29.7 | 0.26 | Ø12-Ø260 / Ø80-Ø250 |
| SK-12 | 310 | 96 | 260 | 285 | 105 | 7 | 3-M12 / 3-M12x110 | 114.5 | 40 | 56.8 | 14 | 21.0 | 4200 | 1800 | 43.5 | 0.58 | Ø15-Ø300 / Ø90-Ø290 |
| SK-16 | 405 | 122 | 345 | 375 | 160 | 8.7 | — / 6-M14x130 | 148.6 | 50 | 76.1 | 15 | 25.0 | 4500 | 1500 | 98 | 1.72 | Ø30-Ø380 / Ø110-Ø360 |