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Precision ER collet chuck CENTRO P 25
Article no.: 305960 25
Article code:
- Arbor standard: ISO 12164-1; DIN 69893
- Shape: A
- Balance quality G at rotational speed: G 2.5 at 25,000 rpm
- Concentricity ER collet with CP collet chuck: ≤ 6
- Concentricity HP collet with CP collet chuck: ≤ 3
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Product details
Technical Data
| Series | Centro P | |
| Type CP for ER | 25 | |
| Adapter | HSK-A 100 A = 160 | |
| Arbor standard | ISO 12164-1; DIN 69893 | |
| Shape | A | |
| Balance quality G at rotational speed | G 2.5 at 25,000 rpm | |
| Concentricity ER collet with CP collet chuck | ≤ 6 µm | |
| Concentricity HP collet with CP collet chuck | ≤ 3 µm | |
| Machining strategy | HSC | |
| Clamping range | 2 mm - 16 mm | |
| Overhang dimension A | 160 mm | |
| External ⌀ D | 40 mm | |
| Type of product | Collet chuck |
Identification numbers & Classifications
| Article number | 305960 25 | |
| Manufacturer number | 44528001600 |
Description
Version:
- Ground externally and internally. With Balluffchip bore.
- Run-out and repetition accuracy 3 µm at 3×D, maximum 50 mm.
- Very high clamping forces due to the collet fully seated in the chuck and coated clamping nut.
- Vibration damping due to the element collet and mass of the chuck.
- Alternatively without seals, with ER clamping nut CP No. 309655 or sealed system with ER clamping nut CP for HP sealing rings No. 309665 in conjunction with HP sealing rings No.309666 − 309668 (for internal coolant supply or as a dirt trap!).
Advantage:
Patented optimum seating of the collet, double guides, trapezoidal thread and low-friction coated clamping nut amalgamate when clamped into a sturdy unit, thus ensuring a very high degree of rigidity and precision.
Application:
For high precision clamping of tools with plain shanks.
Supplied with:
Without clamping nut and sealing rings.
Optional extras:
Precision ER collets for HP No. 309368 − 309381, and for taps No. 309402; 309419 (not Holex). ER clamping nuts CP No. 309655; 309665. HP sealing rings No. 309666 − 309668. CP roller bearing wrenches No. 309754; 309756.
Note:
- CP chuck clamps only nominal ⌀ up to shank ⌀ tolerance h10.
- Use in combination with Fahrion collets.