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Tapping chuck MLA IC 50 bar, BT 40, Tapping range: M1-12
Article no.: 673631
Catalog no.: 338107
Article code:
Product details
Technical Data
| Through-coolant | yes, with max. 50 bar | |
| 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 | Gewindeschneidfutter MLA IK 50 bar, BT 40, Gewinde-Schneidbereich: M1-12 | |
| Interface position | on the machine; on the workpiece | |
| Holder type | ISO taper; plain shank | |
| Holder shape | MAS BT | |
| Holder version | dimensionless nominal size with cooling; metric with cooling lubricant holes | |
| Holder size, metric | 20 mm | |
| Holder size, no dimensions | 40 | |
| Type of mounting | spigot; hole (internal mounting) | |
| Interface on machine side | BT 40 | |
| Interface on workpiece side | plain shank | |
| For collet type | ER collet | |
| Collet size | 11; 16 | |
| Gauge length A | 61 mm | |
| External diameter, on the tool side D | 43 mm | |
| Length compensation by compression | 0.2 mm | |
| Length compensation by tension | 1 mm | |
| Concentricity | 3 µm | |
| Suitable for tapping | yes | |
| Size of tap, min. D1 | M1 | |
| Size of tap, max. D1 | M12 | |
| Max. coolant pressure | 50 bar | |
| Interface | joint 1; joint 2 | |
| Type of product | quick-change chuck | |
| Overall length L | 127.4 mm | |
| Standard | JIS B6339 | |
| Through-coolant available | yes | |
| Content | 1 pcs. | |
| Internal diameter D1 | 20 mm |
Identification & Classification
| Article number | 673631 | |
| Catalog number | 338107 | |
| EAN / GTIN | 4062406112073 | |
| Manufacturer number | 338107 M1-12 | |
| Article class | 31M | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Description
Version:
- With minimum length adjustment (MLA), by means of a damping element.
- Increases tool life of taps/thread formers by up to 300 %.
- Internal coolant supply up to 50 bar.
- Secure clamping for ER collets in quick-change tapping collets.
- Radial run-out of shank taper to the tapping collet taper < 3 µm.
Application:
On machining centres with synchronised spindles.
- For compensating the difference in pitch between tap and synchronised spindle.
- For compensating the pitch tolerances of taps.
Optional extras:
ER collets, see No. 308881-309240 (size ER11 / 16 / 25). ER tapping collets with square drive spigot, see No. 309399 - 309413 (Size ER 11 /16 / 25).
See No. 308600 - 308806 for pull studs.
See No. 309880 for coolant feed pipes for HSK.
See No. 309890 for plug-in sockets for HSK.
Quick-change tapping collets and extensions, see No. 338120 – 338142.
See No. 308600 - 308806 for pull studs.
See No. 309880 for coolant feed pipes for HSK.
See No. 309890 for plug-in sockets for HSK.
Quick-change tapping collets and extensions, see No. 338120 – 338142.