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Shrink-fit chuck 3°, BT 40 A = 90, Clamping range ⌀ D1: 3mm
Article no.: 702685
Catalog no.: 303443
Article code:
Product details
Technical Data
| Through-coolant | yes | |
| Entry of cooling lubricant | with cooling lubricant entry, decentrally via collar and axially concentric | |
| Escape of cooling lubricant | with cooling lubricant exit, axially concentric | |
| Cooling lubricant | yes | |
| Manufacturer’s designation | Schrumpffutter 3° | |
| Interface position | on the machine; on the workpiece | |
| Holder type | ISO taper; plain shank | |
| Interface coding | SKG04005x11; ZYL00301011 | |
| Holder version | dimensionless nominal size with cooling; metric | |
| Holder size, metric | 3 mm | |
| Holder size, no dimensions | 40 | |
| Type of mounting | spigot; hole (internal mounting) | |
| Holder tolerance class | h6 | |
| Shank diameter DS | 3 mm | |
| Interface on machine side | BT 40 | |
| Interface on workpiece side | plain shank | |
| Min. clamping diameter D1 | 3 mm | |
| Max. clamping diameter D1 | 3 mm | |
| Gauge length A | 90 mm | |
| External diameter, on the tool side D | 14 mm | |
| Taper angle | 3 degrees | |
| Concentricity | 3 µm | |
| Balance quality G at rotational speed | g 2.5 at 25,000 rpm | |
| Machining strategy | HPC; HSC | |
| Format | slim | |
| Including length adjustment screw | no | |
| External diameter, 2 on the tool side D2 | 9 mm | |
| Interface | joint 1; joint 2 | |
| Type of product | shrink-fit chuck | |
| Overall length L | 155.4 mm | |
| Overall height H1 | 63 mm | |
| Overall width B1 | 63 mm | |
| Standard | ISO 7388-2; JIS B6339 | |
| Shape | ADB | |
| With thread | yes | |
| Through-coolant available | yes | |
| Surface treatment | polished | |
| Content | 1 pcs. |
Identification & Classification
| Article number | 702685 | |
| Catalog number | 303443 | |
| EAN / GTIN | 4062406110635 | |
| Manufacturer number | 303443 3 | |
| 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.
- Extra slim design (3° contour).
Application:
- Especially for tool and mould making.
- Wherever reduced interference contours are required.
- For clamping tools with shank tolerance h6.
Optional extras:
Pull studs (PS) No. 308760 − 308806, shrink-fit chuck extensions No. 302410, sizes 12/3 and 12/4, shrink-fit units No. 354210 − 304450, PS wrenches No. 308820 – 308835.
Note:
No length adjustment available!