Multi-lip drill

Details Multi-lip drill Multi-lip drill

1986-01-27

1988-02-02

Weidenfeld, Gil

Cutting by use of rotating axially moving tool

Tool or tool with support

Having peripherally spaced cutting edges

408704, B23B 5102

Patent

active

047226447

ABSTRACT:
A multi-lip drill is proposed in which an additional auxiliary swarf flute is arranged in the core region of one or more principal swarf flutes in order to enlarge the swarf space.

REFERENCES:
patent: 1384733 (1921-07-01), Woods
patent: 2966081 (1960-12-01), Kallio
patent: 3778180 (1973-12-01), Ostrom
patent: 4231692 (1980-11-01), Brabetz et al.
patent: 4411563 (1983-10-01), Moon
patent: 4561813 (1985-12-01), Schneider
Werkstatt und Betrieb, Band 115, Nr. 7, 1982, Seiten 437-440, Muenchen, DE; K. Kaeuser: "Bohrer mit Hartmetallschneiden zum Bohren ins Volle", FIG. 1.
Machines Production, Nr. 261, Mai 1980, Seite 27, Boulogne, FR, FIG. 9.

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