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K0644_B centering clamp with hexagonal segments, style B |
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Item description/product images |
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DescriptionMaterial:Body 1.2842.
Ball and hex segments 1.4112 (AISI 440B equivalent).
Tension spring 1.4310 (AISI 310 equivalent).Version:Body hardened and black oxide finish.
Ball and hex segments hardened and ground.Note:style B: With hexagons for sensitive hole surfaces.Technical data:Repetitive accuracy ±0.025
Concentric accuracy ±0.05Application:For center positioning and clamping in blind holes. Operated from below, manual or automatic using pneumatics or hydraulics.Benefits:- Precise self-centering.
- Distortion free clamping.
- Large spread range.
- Low overall height.
- Positive down force.Drawing reference:Style A:
With balls for holes where light marking is acceptable.
Style B:
With hexagons for sensitive hole surfaces.
1) Mounting aid:
pin to accurately position the mandrel segments. |
| Item No. | Style | 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 |  | | on request | | | 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 | | | on request | | | 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 | | | on request | | | 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 | | | on request | | | 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 | | | on request | | | 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 | | | on request | | | 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 | | | on request | | | 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 | | | on request | | | 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 | | | on request | | | 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 | | | on request | |
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