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2 032 497

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Application

5031438/02, 1991-07-03

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Actual filing date

1991-07-03

(45)

Published

1995-04-10

(72)

Inventor

Khomjak B.S.Khomjak P.B.Ivanchenko B.F.Kaljuzhnyj N.P.Khomjak I.B.Shumejko V.I.Korovin A.A.

(73)

Holder

Nauchno-Proizvodstvennoe Gosudarstvennoe Predprijatie Pri Donskom Gosudarstvennom Tekhnicheskom Universitete

METHOD OF REINFORCING THE HARD-ALLOY TOOL Russian patent published in 1995 - IPC

Abstract RU 2032497 C1

FIELD: instrumentation engineering. SUBSTANCE: working surfaces of the hard-alloy tool are subjected to polishing in two stages, first by diamond circle, then by a diamond circle preliminarily charged with hard particles which are adhesive-active to the coating material, for example, with particles of tungsten carbide of middle thinness. Then the abrasion-resistant coat containing the layers of titanium nitride and chromium nitride is applied. After the polishing the working surfaces of the tool are additionally subjected to riveting on by the plastic deformation. EFFECT: facilitated manufacture. 1 cl

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RU 2 032 497 C1

Authors

Khomjak B.S.

Khomjak P.B.

Ivanchenko B.F.

Kaljuzhnyj N.P.

Khomjak I.B.

Shumejko V.I.

Korovin A.A.

Dates

1995-04-10—Published

1991-07-03—Filed

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