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2 158 367

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C1

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IPC

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Application

99111667/03, 1999-06-10

(24)

Start date

1999-06-10

(22)

Actual filing date

1999-06-10

(45)

Published

2000-10-27

(72)

Inventor

Brenner V.A.Kavyrshin I.P.Kutlunin V.A.Polezhaev V.P.Strukov V.B.Shmakin I.G.

(73)

Holder

Tul'Skij Gosudarstvennyj Universitet

METHOD OF ROCK CUTTING Russian patent published in 2000 - IPC

Abstract RU 2158367 C1

FIELD: mining; applicable in rock cutting by group cutting tool. SUBSTANCE: method includes application to working member with group cutting tool-of torsional vibrations whose parameters are optimized by frequency and amplitude. Frequency of torsional vibrations are selected from range of 20-100 Hz and their amplitude within range of 1-10 mm. Amplitude value of dynamic moment of working member is selected from 5 to 1000 kNm. EFFECT: reduced cutting force in cutting of rock mass. 2 dwg

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RU 2 158 367 C1

Authors

Brenner V.A.

Kavyrshin I.P.

Kutlunin V.A.

Polezhaev V.P.

Strukov V.B.

Shmakin I.G.

Dates

2000-10-27—Published

1999-06-10—Filed

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