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HT chuck, BT 50 short, Clamping range ⌀ D1: 20mm
Article no.: 303452 20
Article code:
Product details
Technical Data
| Through-coolant | yes | |
| Entry of cooling lubricant | with cooling lubricant entry, axially concentric | |
| Escape of cooling lubricant | with cooling lubricant exit, axially concentric | |
| Cooling lubricant | yes | |
| Manufacturer’s designation | HT-Futter | |
| Holder type | iSO taper | |
| Holder shape | MAS BT | |
| Holder version | dimensionless nominal size without cooling | |
| Holder size, no dimensions | 50 | |
| Type of mounting | spigot | |
| Interface on machine side | BT 50 | |
| With flat surface contact | no | |
| Min. clamping diameter | 12 mm | |
| Max. clamping diameter | 20 mm | |
| Gauge length | 100 mm | |
| External diameter, tool-end | 42 mm | |
| Max. tool clamping length | 45.5 mm | |
| Concentricity | 3 µm | |
| Balance quality G at rotational speed | g 2.5 at 25,000 rpm | |
| Machining strategy | HPC; HSC | |
| Vibration damping | yes | |
| Incl. length adjustment screw | yes | |
| Adjustment travel | 10 mm | |
| With cooling channel bore | yes | |
| Interface | joint 1; joint 2 | |
| Type of product | hydraulic chuck | |
| Overall length | 185.3 mm | |
| Overall height | 42 mm | |
| Overall width | 42 mm | |
| Standard | ISO 7388-2; JIS B6339 | |
| Shape | ADB | |
| Through-coolant available | yes | |
| Material | heat-treatable steel | |
| Content | 1 pcs. |
Identification & Classification
| Article number | 303452 20 | |
| EAN / GTIN | 4045197531186 | |
| Manufacturer number | 303452 20 | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
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.