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Manufacturer number:
HT chuck 20 mm
Article no.: 303469 20
Article code:
- Arbor standard: JIS B6339; JIS B6339
- 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 50 short | |
| Arbor standard | JIS B6339; JIS B6339 | |
| 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 | 83.5 mm | |
| External ⌀ D | 49.25 mm | |
| Reach L1 | 45.5 mm | |
| suitable reducing adapter | 302160; 302155; 302150; 302165 | |
| Type of product | Hydraulic clamping chuck |
Identification numbers & Classifications
| Article number | 303469 20 | |
| EAN / GTIN | 4062406240059 |
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 socket drive with T-handle.
Optional extras:
Note:
Caution in the case of extra-long tools and TPC machining.
Downloads & documents
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| Arbor standard | JIS B6339 ;JIS B6339 | JIS B6339 ;ISO 7388-2 | JIS B6339 ;ISO 7388-2 | JIS B6339 ;ISO 7388-2 | JIS B6339 ;JIS B6339 |
| Overhang dimension A | 83.5 | 72.5 | 72.5 | 83.5 | 72.5 |
| Shape | ADB | ADB | ADB | ADB | ADB |
| Clamping ⌀ D1 | 20 | 20 | 20 | 20 | 20 |
| 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 |
| Machining strategy | HSC ;HPC | HSC ;HPC | HSC ;HPC | HSC ;HPC | HSC ;HPC |
| suitable reducing adapter | 302160; 302155; 302150; 302165 | 302160; 302155; 302150; 302165 | 302160; 302155; 302150; 302165 | 302160; 302155; 302150; 302165 | 302160; 302155; 302150; 302165 |