METHOD OF STRAIGHTENING LONG PARTS Russian patent published in 2016 - IPC B21D3/10 

Abstract RU 2581692 C1

FIELD: metallurgy.

SUBSTANCE: invention relates to cold metal forming, particularly, to methods and devices for straightening and stabilization of long cylindrical parts sizes. Radial load applied to billet ends, workpiece ends are fixed hinged, radial load is created by roller arranged at point of maximum bending of workpiece axis, and workpiece is revolved about its axis.

EFFECT: quality of stabilisation of geometrical parameters is increased due to elimination of residual stresses.

1 cl, 1 dwg

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RU 2 581 692 C1

Authors

Korolev Albert Viktorovich

Korolev Andrej Albertovich

Balaev Andrej Fedorovich

Savran Sergej Aleksandrovich

Jakovishin Aleksandr Sergeevich

Dates

2016-04-20Published

2014-09-23Filed