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HT chuck with cooling channel bores 20 mm
Article no.: 303451 20
Article code:
- Arbor standard: JIS B6339; ISO 7388-2
- 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 | 20 mm | |
| Adapter | BT 40 short | |
| Arbor standard | JIS B6339; ISO 7388-2 | |
| Shape | ADB | |
| Balance quality G at rotational speed | G 2.5 at 25,000 rpm | |
| Concentricity | ≤ 3 µm | |
| Machining strategy | HSC; HPC | |
| Overhang dimension A | 72.5 mm | |
| External ⌀ D | 49 mm | |
| Reach L1 | 45.5 mm | |
| suitable reducing adapter | 302160; 302155; 302150; 302165 | |
| Cooling channel bore | yes | |
| Type of product | Hydraulic clamping chuck |
Identification numbers & Classifications
| Article number | 303451 20 | |
| EAN / GTIN | 4045197644817 |
Description
Version:
- Very high overall stiffness due to optimised design.
- Axial length adjustment, adjustment travel 10 mm.
Advantage:
- Maximum transmissible torque 550 Nm, version HT (High Torque), for high process reliability.
- Ideal damping characteristics, resulting in optimum surface finishes, increased tool life and spindle protection.
- Temperature resistance up to 120 °C.
Application:
Especially for heavy-duty milling.
Supplied with:
Hexagon cross-bar wrench.
Optional extras:
Note:
Caution in the case of extra-long tools and TPC machining.