Method of shaping a wheel

Details Method of shaping a wheel Method of shaping a wheel

B - Operations, Transporting

21

D

B21D 53/30 (2006.01) B21H 1/04 (2006.01)

Patent

CA 2125823

Wheels of automobiles or pulleys have been produced by several steps of forging and roll-shaping. A dish-like prototype is produced by forging. Then rim part is shaped on the dish-like prototype by roll-shaping. It takes long time to forge and roll-shape an initial material into a wheel. The object of the invention is to simplifying the processes of the production of wheels. A pair of rams press and squash the initial material for shaping a central disc part. Extra material is extruded out of the interface of the rams. A roller unit having several rollers forms rim parts by pressing the extruded material by the rollers from the sides.

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