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2 086 363

(13)

C1

(51)

IPC

(21) (22)

Application

93041441/02, 1993-08-18

(22)

Actual filing date

1993-08-18

(45)

Published

1997-08-10

(72)

Inventor

Pavlov M.A.Samusev L.E.Samojlov A.I.Maksimov V.A.Krotov D.A.Belov A.N.

(73)

Holder

Leningradskaja Atomnaja Ehlektrostantsija Im.V.I.Lenina

PORTABLE BORING MACHINE Russian patent published in 1997 - IPC

Abstract RU 2086363 C1

FIELD: mechanical engineering; machining of cylindrical surfaces of flange joints. SUBSTANCE: machine tool has faceplate 4 bearing tool holders 5, faceplate rotary drive, feed mechanism linked with the rotary drive, means 13 for breaking the mentioned linkage, cam support 3 intended to engage the hole being bored and provided with self-aligning bushing 25 coaxially mounted in cam support 3, and pin 12 engageable with self-aligning busing 25. The pin is mounted coaxially in the faceplate in rolling-contact bearings. The machine is mounted on pipe 2 to be machined. After motor 8 is switched on, faceplate 4 starts rotating and moving progressively due to kinematic linkage of the feed mechanism with the rotary drive. In the course of rotation of faceplate 4 pin 12 moves in the same direction and slides along the hole of bushing 25 thus ensuring constant support for the faceplate. EFFECT: improved efficiency. 2 cl, 4 dwg

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RU 2 086 363 C1

Authors

Pavlov M.A.

Samusev L.E.

Samojlov A.I.

Maksimov V.A.

Krotov D.A.

Belov A.N.

Dates

1997-08-10—Published

1993-08-18—Filed

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