B - Operations – Transporting – 21 – D
Patent
B - Operations, Transporting
21
D
B21D 22/16 (2006.01) B21D 53/26 (2006.01)
Patent
CA 2161020
The invention concerns a method and device for the non-cutting production of a hub (27) for a transmission component. A sheet blank (21) which is carried by a tool (3) on a main spindle (4) and rotated relative to one or more presser rollers (9, 10) is formed to produce a cylindrical prominence (7), projecting from the sheet by pressing it with a presser roller round a pin (5) mounted on the tool or a mobile stop (8) and passing through said sheet.
L'invention concerne des procédés et des dispositifs de réalisation sans enlèvement de copeaux d'un moyeu (27) d'organe de transmission. Une plaque de tôle (21) soutenue par l'outil (3) d'une broche principale (4) et qui tourne par rapport à un ou plusieurs rouleau(x) de pression (9, 10) est mise en forme de façon à présenter une partie cylindrique en saillie (7), ladite plaque de tôle étant pressée, au moyen d'un rouleau de pression, autour d'une broche (5) montée sur une butée mobile (8) ou sur l'outil et qui traverse la plaque de tôle.
Fetherstonhaugh & Co.
Wf-Maschinenbau Und Blechformtechnik Gmbh & Co. Kg
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