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Manufacturer number:
HiRunER precision ER collet chuck, SK 40 A = 160, for ER collet size: 11M
Article no.: 300645 11M
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Article code:
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- Arbor standard: ISO 7388-1
- Shape: ADB
- Balance quality G at rotational speed: G 2.5 at 25,000 rpm
- Concentricity: ≤ 3
- Machining strategy: HSC; HPC
Product details
Technical Data
| Clamping ⌀ D1 | 1-7 mm | |
| Adapter | SK 40 A = 160 | |
| Arbor standard | ISO 7388-1 | |
| Shape | ADB | |
| Balance quality G at rotational speed | G 2.5 at 25,000 rpm | |
| Concentricity | ≤ 3 µm | |
| Machining strategy | HSC; HPC | |
| Clamping range | 1 mm - 7 mm | |
| Overhang dimension A | 160 mm | |
| External ⌀ D | 16 mm | |
| Spare ER clamping nut No. 309618 | 11M | |
| Balluffchip bore | yes | |
| Type of product | Collet chuck |
Identification & Classification
| Article number |
300645 11M
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| EAN / GTIN |
4062406544577
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| Manufacturer number |
300645 11M
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| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Deutschland, www.hoffmann-group.com |
Description
Version:
External and internal tapers are ground. All shanks are hard turned for smooth running. Including RFID/Balluffchip bore, high-performance clamping nut up to 25000 rpm.
Advantage:
- 3 µm radial run-out with a 2 µm clamping nut, 6 µm radial run-out with a 5 µm clamping nut.
- Extremely strong holding force (up to factor 2better than the standard ER chuck).
- Vibration reduction effect due to 2-part clamping nut (size 11M and 16M 1-piece).
Application:
For clamping tools with plain shank in collets to DIN 6499 - Form A and B.
Supplied with:
Precision clamping nut.
Optional extras:
Pull studs (PS) No. 308600 – 308806, PS wrenches No. 308820 – 308835, ER chuck keys No. 309757, 309758 (for 11M and 16M); ER collets Fahrion No. 308901 − 309434. ER collets No. 308901 − 309432, hook spanner No. 628400 or torque wrench No. 309749 or 628520.
Note:
- Clamps only nominal ⌀ up to shank ⌀ tolerance h 10.
- Do not use the clamping nut in combination with a sealing washer.
- Use in combination with Fahrion collets.
- The blue design ring must be removed for Fahrion HP 2μm ER collets.