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Hydraulic chuck short, version HT, SK 40, Clamping range ⌀ D1: 20mm
Article no.: 302028 20
Article code:
- 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 | 20 mm | |
| Adapter | SK 40 | |
| 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 | |
| Overhang dimension A | 64.5 mm | |
| External ⌀ D | 49 mm | |
| Reach L1 | 45.5 mm | |
| suitable reducing adapter | 302160; 302165; 302150; 302155 | |
| Type of product | Hydraulic clamping chuck |
Identification numbers & Classifications
| Article number | 302028 20 | |
| EAN / GTIN | 4045197513076 | |
| Manufacturer number | 302028 20 |
Description
Version:
- Very high total rigidity due to optimised design.
- With RFID/Balluffchip bore.
- Axial length adjustment (adjustment 10 mm) available.
- Flexible due to use of reducing sleeves.
Application:
- For drilling, reaming and for light and heavy-duty machining when milling.
- Maximum transmissible torque 550 Nm, version HT (High Torque).
- Ideal damping characteristics, resulting in optimum surface finishes, increased tool life and spindle protection.
Optional extras:
Pull studs (PS) No. 308600 − 308806, PS wrenches No. 308820 – 308835, Reducing adapters No. 302135 − 302187.
Note:
V = Maximum adjustment range!
Caution in the case of extra-long tools and TPC machining.
Caution in the case of extra-long tools and TPC machining.
Downloads & documents
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|
| Adapter | SK 40 | SK 40 | SK 40 | SK 40 short |
| Arbor standard | ISO 7388-1 | ISO 7388-1 | ISO 7388-1 | ISO 7388-1 |
| External ⌀ D | 49 mm | 49 mm | 49.5 mm | 49 mm |
| Concentricity | ≤ 3 µm | ≤ 3 µm | ≤ 3 µm | ≤ 3 µm |
| Clamping ⌀ D1 | 20 mm | 20 mm | 20 mm | 20 mm |
| Balance quality G at rotational speed | G 2.5 at 25,000 rpm | G 2.5 at 25,000 rpm | G 2.5 at 20,000 rpm | G 2.5 at 25,000 rpm |
| Type of product | Hydraulic clamping chuck | Hydraulic clamping chuck | Hydraulic clamping chuck | Hydraulic chuck |