METHOD FOR MAKING PART WITH FLAT SURFACE PORTIONS OF THIN SHEET ROLLED MATERIAL Russian patent published in 1997 - IPC

Abstract RU 2086327 C1

FIELD: sheet forming in motor industry. SUBSTANCE: method for making parts with flat portions of its surface of rolled thin sheets by drawing or shaping comprises steps of applying additional tension efforts to flat portions of part by forming technological ribs on flat portions. Ribs are made by clamping edges of flat portions. Then ribs are trimmed. It eliminates warping of flat portions of part. EFFECT: enhanced efficiency. 2 dwg

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RU 2 086 327 C1

Authors

Osipov A.F.

Chapurin S.V.

Dates

1997-08-10—Published

1992-07-29—Filed