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K0644Centring clamps with ball or hexagon segments |
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DescriptionMaterial:Body 1.2842.
Ball and hex segments 1.4112.
Tension spring 1.4310.Version:Body hardened and black oxidised.
Ball and hex segments hardened and ground.Technical data:Repetitive accuracy ±0.025
Concentric accuracy ±0.05Application:For centre positioning and clamping in blind holes. Operated from below, manual or automatic using pneumatics or hydraulics.Advantages:- Precise self-centring.
- Distortion free clamping.
- Large spread range.
- Low overall height.
- Positive down force.Drawing reference:Form A:
With balls for holes where light marking is acceptable.
Form B:
With hexagons for sensitive hole surfaces.
1) Mounting aid:
pin to accurately position the mandrel segments. DownloadHere is all the information as a PDF datasheet:
Are you looking for CAD data? These can be found directly in the product table.
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Drawings (total overview) |
| Order No. | Form | A
| D
min. | D
max. | D1 | D2 | D3 | D4 | H | H1 | H2 | H3 | H4 | L | L1 | L2 | M | SW | Ball Ø | No. of
balls | Clamping
force
max. kN | Tightening
torque
max. Nm | CAD | Acc. | Price | Order |
|---|
| K0644.0101203 | A | 3,5 | 11,7 | 14,2 | M5 | 10 | 1,5 | M3 | 12,8 | 10 | 4,2 | 3 | 1,4 | 3,5 | 11 | 10 | 2 | 5,5 | 2,5 | 3 | 0,5 | 2 |  | | 257.37 € | | | K0644.0101503 | A | 4,5 | 14,5 | 18,5 | M6 | 12 | 2 | M3 | 17,3 | 14,5 | 9,8 | 8,6 | 2,3 | 5,5 | 14,1 | 12 | 2,5 | 5,5 | 4 | 3 | 3,5 | 2 | | | 272.89 € | | | K0644.0101904 | A | 5,5 | 18,5 | 22,5 | M8 | 15 | 2,5 | M4 | 20,9 | 16,5 | 11,6 | 10,4 | 2,3 | 7,5 | 18,2 | 14 | 3,5 | 7 | 4 | 3 | 4 | 5 | | | 302.61 € | | | K0644.0102305 | A | 7 | 22,5 | 26,5 | M10 | 20 | 3 | M5 | 25,4 | 19,8 | 14,2 | 13 | 2,3 | 6 | 17,4 | 15 | 3,5 | 8 | 4 | 3 | 4,5 | 10 | | | 336.55 € | | | K0644.0102705 | A | 7 | 26,5 | 30,5 | M10 | 20 | 3 | M5 | 25,4 | 19,8 | 14,2 | 13 | 2,3 | 6 | 17,4 | 15 | 3,5 | 8 | 4 | 3 | 4,5 | 10 | | | 370.47 € | | | K0644.0103106 | A | 9 | 30,5 | 38,5 | M12 | 25 | 4 | M6 | 30,3 | 23,1 | 14,2 | 11,9 | 4,6 | 7 | 21,9 | 20 | 3,5 | 10 | 8 | 3 | 4,5 | 17 | | | 404.41 € | | | K0644.0103906 | A | 11 | 38,5 | 46,5 | M12 | 30 | 4 | M6 | 34,2 | 27,2 | 17,8 | 15,5 | 4,6 | 7,5 | 22,5 | 20 | 4,5 | 10 | 8 | 6 | 6,5 | 17 | | | 444.04 € | | | K0644.0104706 | A | 11 | 46,5 | 54,5 | M12 | 30 | 4 | M6 | 34,2 | 27,2 | 18 | 15,7 | 4,6 | 7,5 | 22,5 | 20 | 6,5 | 10 | 8 | 6 | 6,5 | 17 | | | 554.27 € | | | K0644.0105508 | A | 15 | 54,5 | 70,5 | M14x1,5 | 45 | 5 | M8 | 49,9 | 40,6 | 23,7 | 19,1 | 9,3 | 9 | 24,5 | 32 | 6,5 | 13 | 16 | 6 | 8 | 43 | | | 591.04 € | | | K0644.0107108 | A | 17 | 70,5 | 86,5 | M16x1,5 | 60 | 5 | M8 | 55,4 | 46,1 | 28,3 | 23,7 | 9,3 | 10 | 29,4 | 20 | 6,5 | 13 | 16 | 6 | 10 | 43 | | | 634.88 € | | | K0644.0108708 | A | 25 | 86,5 | 102,5 | M16x1,5 | 60 | 5 | M10 | 61,6 | 51 | 30,2 | 25,7 | 9,3 | 10 | 29,4 | 25 | 6,5 | 17 | 16 | 6 | 12,5 | 79 | | | 699.90 € | |
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| Order No. | Form | A
| D
min. | D
max. | D1 | D2 | D3 | D4 | H | H1 | H2 | H3 | H4 | L | L1 | L2 | M | K | SW | No. of
hex | Clamping
force
max. kN | Tightening
torque
max. Nm | CAD | Acc. | Price | Order |
|---|
| K0644.0201503 | B | 4,5 | 14,5 | 18,5 | M6 | 12 | 2 | M3 | 17,3 | 14,5 | 9,8 | 8,6 | 1,4 | 5,5 | 14,1 | 12 | 2,5 | 4 | 5,5 | 3 | 3,5 | 2 | | | 319.56 € | | | K0644.0201904 | B | 5,5 | 18,5 | 22,5 | M8 | 15 | 2,5 | M4 | 20,9 | 16,5 | 11,6 | 10,4 | 2,3 | 7,5 | 18,2 | 14 | 3,5 | 4 | 7 | 3 | 4 | 5 | | | 350.67 € | | | K0644.0202305 | B | 7 | 22,5 | 26,5 | M10 | 20 | 3 | M5 | 25,4 | 19,8 | 14,2 | 13 | 2,3 | 6 | 17,4 | 15 | 3,5 | 4 | 8 | 3 | 4,5 | 10 | | | 387.42 € | | | K0644.0202705 | B | 7 | 26,5 | 30,5 | M10 | 20 | 3 | M5 | 25,4 | 19,8 | 14,2 | 13 | 2,3 | 6 | 17,4 | 15 | 3,5 | 4 | 8 | 3 | 4,5 | 10 | | | 418.48 € | | | K0644.0203106 | B | 9 | 30,5 | 38,5 | M12 | 25 | 4 | M6 | 30,3 | 23,1 | 14,2 | 11,9 | 4,6 | 7 | 21,9 | 20 | 3,5 | 8 | 10 | 6 | 4,5 | 17 | | | 453.92 € | | | K0644.0203906 | B | 11 | 38,5 | 46,5 | M12 | 30 | 4 | M6 | 34,2 | 27,2 | 17,8 | 15,5 | 4,6 | 7,5 | 22,5 | 20 | 4,5 | 8 | 10 | 6 | 6,5 | 17 | | | 492.06 € | | | K0644.0204706 | B | 11 | 46,5 | 54,5 | M12 | 30 | 4 | M6 | 34,2 | 27,2 | 18 | 15,7 | 4,6 | 7,5 | 22,5 | 20 | 6,5 | 8 | 10 | 6 | 6,5 | 17 | | | 629.24 € | | | K0644.0205508 | B | 15 | 54,5 | 70,5 | M14 | 45 | 5 | M8 | 49,9 | 40,6 | 23,7 | 19,1 | 9,3 | 9 | 24,5 | 32 | 6,5 | 16 | 13 | 6 | 8 | 43 | | | 661.75 € | | | K0644.0207108 | B | 17 | 70,5 | 86,5 | M16 | 60 | 5 | M8 | 55,4 | 46,1 | 28,3 | 23,7 | 9,3 | 10 | 29,4 | 20 | 6,5 | 16 | 13 | 6 | 10 | 43 | | | 704.12 € | | | K0644.0208708 | B | 25 | 86,5 | 102,5 | M16 | 60 | 5 | M10 | 61,6 | 51 | 30,2 | 25,7 | 9,3 | 10 | 29,4 | 25 | 6,5 | 16 | 16 | 6 | 12,5 | 79 | | | 770.62 € | |
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