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2 170 648

(13)

C2

(51)

IPC

(21) (22)

Application

99119409/02, 1999-09-06

(24)

Start date

1999-09-06

(22)

Actual filing date

1999-09-06

(45)

Published

2001-07-20

(72)

Inventor

Aleksandrov V.I.

(73)

Holder

Tambovskij Gosudarstvennyj Tekhnicheskij Universitet

METHOD FOR EVALUATING INFLUENCE OF THERMIC ELECTRIC CURRENT UPON STRENGTH OF CUTTING TOOL Russian patent published in 2001 - IPC

Abstract RU 2170648 C2

FIELD: cutting metals and other electrically conducting materials. SUBSTANCE: method comprises steps of alternative cutting of electrically conducting material by means of tool insulated and non-insulated relative to body of machine tool; in equal time intervals measuring wear of contact surface of tool; in order to enhance accuracy and to enlarge manufacturing possibilities using cutting tool with remountable polyhedral electrically conducting cutting tip having wear resistant dielectric coating applied onto its main and additional rear faces joined with two of its apexes; performing cutting at successively changing position of apexes of cutting tip in body of tool when only front face of tip is worn. EFFECT: enhanced accuracy of method. 4 dwg

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RU 2 170 648 C2

Authors

Aleksandrov V.I.

Dates

2001-07-20—Published

1999-09-06—Filed

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