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ER collet chuck Mini slim, HSK-A 63 A = 100, for ER collet size: 20
Article no.: 616521
Catalog no.: 305710
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 | |
| Interface position | on the machine; on the workpiece | |
| Holder type | hollow shank taper HSK; collet taper | |
| Interface coding | HSK06300195; SZD02000295 | |
| Holder shape | flat surface contact, standard taper form A | |
| Holder version | metric with cooling lubricant holes | |
| Holder size, metric | 63 mm | |
| Type of mounting | spigot | |
| Arbor size | 20 | |
| Cooling lubricant | yes | |
| Manufacturer’s designation | ER-Spannzangenfutter Mini | |
| Min. clamping diameter D1 | 1 mm | |
| Max. clamping diameter D1 | 13 mm | |
| For collet type | ER collet | |
| Collet size | 20 | |
| Gauge length A | 100 mm | |
| External diameter, on the tool side D | 28 mm | |
| Max. speed | 25’000 min-1 | |
| Concentricity | 3 µm | |
| Balance quality G at rotational speed | g 2.5 at 25,000 rpm | |
| Machining strategy | HSC | |
| Format | slim | |
| Thread G; M | M24×1 | |
| Usable length LN | 66 mm | |
| Interface | joint 1; joint 2 | |
| Type of product | collet chucks | |
| Overall length L | 132 mm | |
| Standard | DIN 69893; ISO 12164-1 | |
| Shape | A | |
| With thread | yes | |
| With hole for RFID data carrier | yes | |
| Through-coolant available | yes | |
| Material | steel | |
| Content | 1 pcs. |
Identification & Classification
| Article number | 616521 | |
| Catalog number | 305710 | |
| EAN / GTIN | 4045197762559 | |
| Manufacturer number | 305710 20 | |
| Article class | 31A | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Description
Version:
- All shanks hard turned (for smooth running!).
- With RFID/Balluffchip bore.
- Bored open ( = ER11).
- HSK mating faces machined.
Supplied with:
High Speed ER mini nut, precision balanced (G2.5 / 25,000 rpm).