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US 2006/0216125 A1Published application
Drill thread milling cutter
AssigneeEMUGE-Werk Richard Glimbel GmbH & Co. Fabrik für Präzisionswerkzeuge
InventorsHelmut Glimpel, Matthias Sperber
Life of this patent
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Abstract
The invention relates to a drill thread milling cutter (1) for producing a bore and for the subsequent milling of a thread in the bore, said drill thread milling cutter (1) having a working region (2), on the circumference (3) of which a number of drilling and milling cutting edges are arranged. A number of milling cutting edges (7, 8, 9, 10) greater than the number of drilling cutting edges (17) by a factor greater than 2 are arranged or are effective in the direction of rotation.
Claims16
Drill thread milling cutter (1)
- a) which is rotatable about an axis (4) at least in one direction of rotation (15), and has
- b) a drilling region (40) with at least one drilling cutting edge (17, 18, 27, 28) for producing a bore in a workpiece, and
- c) a thread milling region (30) with at least one milling cutting edge (7, 8, 9, 10) for the subsequent milling of a thread in the bore of the workpiece,
- characterized in that
- d) a number of milling cutting edges (7, 8, 9, 10) greater than the number of drilling cutting edges (17) by a factor greater than 2 are arranged or are effective in the direction of rotation.
2 more elements
Dependencies are inferred from the claim text.