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2 119 079

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IPC

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Application

96101710/06, 1996-01-30

(22)

Actual filing date

1996-01-30

(45)

Published

1998-09-20

(72)

Inventor

Strelkov N.G.Dimitrov Z.I.Kargov I.V.Nagajtsev V.F.Nagajtsev P.V.

(73)

Holder

Privolzhskaja Malaja Obshchestvennaja Firma Patentnykh Uslug I RabotMunitsipal'Noe Predprijatie

METHOD OF MECHANICAL FINISHING OF CYLINDER-PISTON GROUP OF INTERNAL COMBUSTION ENGINE Russian patent published in 1998 - IPC

Abstract RU 2119079 C1

FIELD: mechanical engineering; machining of cylinder-piston group. SUBSTANCE: upper edge of piston ring is used as cutting edge in finishing of cylinder-piston group. Cylinder spaces are covered with micrometric layer of insulating coating. Sound and light control sources are used to provide accurate setting of boring tool used in machining. Micrometric position of ring upper edge is determined to provide correct setting of top of boring tool cutting edge to form protective groove providing free passing of piston ring in micrometric tolerable deflection field. EFFECT: enhanced accuracy of forming operations and checking of edge position. 2 tbl

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RU 2 119 079 C1

Authors

Strelkov N.G.

Dimitrov Z.I.

Kargov I.V.

Nagajtsev V.F.

Nagajtsev P.V.

Dates

1998-09-20—Published

1996-01-30—Filed

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