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Shrink-fit chuck with 4 cooling channel bores, nickel-plated 20 mm
Article no.: 302261 20
Article code:
- Arbor standard: ISO 7388-1
- Shape: ADB
- Cooling channel bore: lockable
- Balance quality G at rotational speed: G 2.5 at 25,000 rpm
- Concentricity: ≤ 3
Product details
Technical Data
| Clamping ⌀ D1 | 20 mm | |
| Adapter | SK 40 A = 120 | |
| Arbor standard | 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 | HPC; HPC | |
| Overhang dimension A | 120 mm | |
| External ⌀ D | 42 mm | |
| ⌀ D2 | 33 mm | |
| Type of product | Shrink-fit chuck |
Identification numbers & Classifications
| Article number | 302261 20 | |
| EAN / GTIN | 4062406786953 | |
| Manufacturer number | 302261 20 |
Description
Version:
- High-temperature steel.
- Size 3 -5 for carbide, from size 6 for HSS and carbide.
- All shanks hard turned (for smooth running!).
- With RFID / Balluffchip bore.
Premium version: nickel-plated version with 4 pluggable cooling channel bores. Integral tool length adjustment (adjustment track 10 mm).
Application:
For clamping tools with parallel shank to h6 tolerance.
Suitable for inductive, contact and hot-air shrink units.
Suitable for inductive, contact and hot-air shrink units.
Supplied with:
4 × M3 nozzle screws.
Optional extras:
Downloads & documents
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|
| ⌀ D2 | 33 | 33 | 33 | 33 | 33 |
| Adapter | SK 40 A = 120 | SK 40 A = 120 | SK 40 A = 120 | SK 50 A = 120 | SK 50 A = 120 |
| Arbor standard | ISO 7388-1 | ISO 7388-1 | ISO 7388-1 | ISO 7388-1 | ISO 7388-1 |
| Overhang dimension A | 120 | 120 | 120 | 120 | 120 |
| External ⌀ D | 42 | 42 | 41.2 | 41 | 41 |
| Concentricity | ≤ 3 | ≤ 3 | ≤ 3 | ≤ 3 | ≤ 3 |
| Balance quality G at rotational speed | G 2.5 at 25,000 rpm | G 2.5 at 25,000 rpm | G 2.5 at 25,000 rpm | G 2.5 at 25,000 rpm | G 2.5 at 25,000 rpm |