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2 114 712

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Application

97106628/02, 1997-04-16

(22)

Actual filing date

1997-04-16

(45)

Published

1998-07-10

(72)

Inventor

Antipanov V.G.Safronov M.F.Krivonosov S.V.Afanas'Ev V.F.

(73)

Holder

Aktsionernoe Obshchestvo Metallurgicheskij Kombinat"

ROLL GROOVED PASS SYSTEM FOR MAKING TROUGH-SHAPED BENT SECTIONS Russian patent published in 1998 - IPC

Abstract RU 2114712 C1

FIELD: rolled stock production, namely manufacture of rather small trough-shaped bent sections. SUBSTANCE: roll grooved pass system includes mounted with gap in pairs upper and lower rolls having mean and edge members being bodies of revolution and having shaping radius portions. Said rolls form successively arranged rough, intermediate and finish grooved passes. Mean members of upper rolls of last rough pass and of all intermediate passes are in the form of two truncated cones joined by their small bases. Inclination angle of cone generatrix relative to its axis consists 20-35 degrees. Edge members of said rolls are in the form of truncated cones turned by their small bases towards mean members. Cone generatrix is inclined relative to cone axis by angle 10-12 degrees. Value of shaping radius of mean members of said rolls consists 0.5-0.8 of shaping radius of edge members. EFFECT: enhanced quality of trough shaped sections, increased wear resistance of rolls. 1 dwg , 1 expd

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RU 2 114 712 C1

Authors

Antipanov V.G.

Safronov M.F.

Krivonosov S.V.

Afanas'Ev V.F.

Dates

1998-07-10—Published

1997-04-16—Filed

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