APPARATUS FOR STRAIGHTENING OF ARTICLES BY STRETCHING THEREOF Russian patent published in 2004 - IPC

Abstract RU 2238814 C2

FIELD: plastic working of metals.

SUBSTANCE: apparatus has bed, cross-piece movable in vertical plane and connected to power cylinder, and two pairs of upper and lower clamping jaws mounted on cross-piece and bed, respectively, and equipped with device for moving thereof along straightening axis. Device for moving each clamping jaw is made in the form of carriage mounted for movement along straightening axis and furnished with hydraulic cylinder for effectuating said movement. Hydraulic cylinder is connected with power cylinder. Apparatus may be provided with cylindrical rollers mounted on supporting surfaces of cross-piece and bed. Roller surface out of contact with supporting surfaces of cross-piece and bed is made beveled for compact arrangement of rollers.

EFFECT: increased efficiency owing to eliminating of bending of movable cross-piece without employment of special straightening systems.

2 cl, 1 dwg

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RU 2 238 814 C2

Authors

Kojres V.I.

Pylajkin P.A.

Baranov I.V.

Igumnov A.E.

Dates

2004-10-27—Published

2000-04-04—Filed