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HT chuck, BT 40 short, Clamping range ⌀ D1: 20mm
Article no.: 499818
Catalog no.: 303450
Article code:
Product details
Technical Data
| 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 | |
| Interface position | on the machine; on the workpiece | |
| Holder type | ISO taper; plain shank | |
| Interface coding | SKG04005795; ZYL02000105 | |
| Holder shape | MAS BT; plain shank | |
| Holder version | dimensionless nominal size with cooling; metric | |
| Holder size, metric | 20 mm | |
| Holder size, no dimensions | 40 | |
| Shank diameter DS | 20 mm | |
| Interface on machine side | BT 40 | |
| Min. clamping diameter D1 | 20 mm | |
| Max. clamping diameter D1 | 20 mm | |
| Gauge length A | 72.5 mm | |
| External diameter, on the tool side D | 49 mm | |
| Concentricity | 3 µm | |
| Balance quality G at rotational speed | g 2.5 at 25,000 rpm | |
| Machining strategy | HPC; HSC | |
| Format | short | |
| Vibration damping | yes | |
| Including length adjustment screw | yes | |
| Adjustment travel V | 10 mm | |
| Max. clamping force | 550 Nm | |
| Usable length LN | 45 mm | |
| Interface | joint 1; joint 2 | |
| Type of product | hydraulic chuck | |
| Overall length L | 137.9 mm | |
| Standard | ISO 7388-2; JIS B6339 | |
| Shape | ADB | |
| Content | 1 pcs. |
Identification & Classification
| Article number | 499818 | |
| Catalog number | 303450 | |
| EAN / GTIN | 4045197513090 | |
| Manufacturer number | 303450 20 | |
| Article class | 31H | |
| 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.
Optional extras:
Note:
Caution in the case of extra-long tools and TPC machining.