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Shrink-fit chuck with coolant channel bores and strengthened walls strengthened walls, SK 50 short, Clamping range ⌀ D1: 20mm
Article no.: 302322 20
Article code:
- Arbor standard: DIN 69871; ISO 7388-1
- Shape: ADB
- Cooling channel bore: lockable
- Balance quality G at rotational speed: G 2.5 at 25,000 rpm
- Concentricity: ≤ 3
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Product details
Technical Data
| Clamping ⌀ D1 | 20 mm | |
| Adapter | SK 50 short | |
| Arbor standard | DIN 69871; ISO 7388-1 | |
| Shape | ADB | |
| Cooling channel bore | lockable | |
| Balance quality G at rotational speed | G 2.5 at 25,000 rpm | |
| Concentricity | ≤ 3 µm | |
| Machining strategy | HSC; HPC | |
| Overhang dimension A | 80 mm | |
| External ⌀ D | 40.6 mm | |
| ⌀ D2 | 33 mm | |
| L1 | 48 mm | |
| Type of product | Shrink-fit chuck |
Identification & Classification
| Article number | 302322 20 | |
| Manufacturer number | 302322 20 | |
| Manufacturer | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Description
Version:
- Supplied with coolant supply holes that can be plugged.
- High-temperature steel.
- Integral tool length adjustment, adjustment track 10 mm.
- For HSS and carbide.
- Shanks hard turned (for smooth running!)
- With Balluffchip bore.
- Glass bead blasted.
Advantage:
The reinforced version
- permits better machining results (feed rate, depth of cut).
- achieves better workpiece surface quality (due to vibration damping effect).
Application:
For clamping tools with parallel shank to h6 tolerance. Suitable for inductive, contact and hot-air shrink units.