Tool with diamond cutting edge having vapor deposited metal oxid

Details Tool with diamond cutting edge having vapor deposited metal oxid Tool with diamond cutting edge having vapor deposited metal oxid

1996-01-26

1997-03-04

Rachuba, M.

Cutters, for shaping

Comprising cutting edge bonded to tool shank

82 111, 427576, 51309, 428408, 428702, 407119, B23B 2720, C23C 1626, C23C 1640, C23C 2804

Patent

active

056072643

ABSTRACT:
In order to improve the wear characteristics of tools with diamond cutting edges, it is proposed to coat the diamond body with a 0.5 to 6 .mu.m thick layer of at least one oxide of the metals zirconium and/or yttrium and/or magnesium and/or titanium and/or aluminum, preferably aluminum oxide. The coating is deposited from the gas phase at gas-phase temperatures up to 800.degree. C. Preferably the pulse-plasma CVD process is used for the coating. The diamond tools so coated are particularly suited for chip-forming machining of carbon-affinitive materials, such as iron-containing materials or steel.

REFERENCES:
patent: 4341834 (1982-07-01), Kikuchi et al.
patent: 4463062 (1984-07-01), Hale
patent: 4605343 (1986-08-01), Hibbs, Jr. et al.
patent: 5049164 (1991-09-01), Horton et al.
patent: 5271696 (1993-12-01), Stock
R. Funk et al. (Wear, vol. 32 (1975) pp. 391-393.
Proceedings vol. 3 12-th International Plansee Seminar, Article by Bildstein et al.

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