All-ceramic drill bit

Details All-ceramic drill bit All-ceramic drill bit

1995-06-06

1997-06-24

Bishop, Steven C.

Cutting by use of rotating axially moving tool

Tool of specific diverse material

408229, B23B 5100

Patent

active

056412517

ABSTRACT:
Disclosed is an all-ceramic drill bit which combines the positive properties of ceramic with a tool geometry adapted to the special features of the material. The drill bit is formed with a groove for the shavings which extends in the axial direction linearly along a surface line.

REFERENCES:
patent: 500213 (1893-06-01), Richards
patent: 2587980 (1952-03-01), Doepker
patent: 4461799 (1984-07-01), Gavrilov et al.
patent: 5002439 (1991-03-01), Lauder
Werkstatt Und Betrieb, 1991 "Vollkeramik-Spiralbohrer Fur Ein-Breites Anwendungsgebiet".
Wilson F.W., Harvey, 1959, Tool Engineers Handbook.
Bohrmeister Guhring, 25 Jahrgang Ausgabe 37/92.
Wilfried Konig, 1984 Fertigungsverfahren Ban 1.

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