METHOD OF METAL BUSHINGS MANUFACTURE Russian patent published in 2008 - IPC B21H1/22 B82B3/00 

Abstract RU 2340423 C1

FIELD: technological processes.

SUBSTANCE: hollow billet is prepared, and its surface is further processed by rolling in roll matrix with fixation of billet ends. Processing of external surface of billet is carried out simultaneously with reciprocal motion of one or more rollers that have section of larger diameter.

EFFECT: increased mechanical properties of metal bushings and reduction of metal consumption in their manufacturing.

1 dwg, 1 ex

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RU 2 340 423 C1

Authors

Golenkov Vjacheslav Aleksandrovich

Radchenko Sergej Jur'Evich

Malinin Vladislav Georgievich

Korotkij Gennadij Petrovich

Dorokhov Daniil Olegovich

Dates

2008-12-10Published

2007-03-26Filed