Metal deforming – By use of tool acting during relative rotation between tool... – During rotation of work
Patent
1998-07-22
2000-02-22
Echols, P. W.
Metal deforming
By use of tool acting during relative rotation between tool...
During rotation of work
B21D 1504
Patent
active
060266678
ABSTRACT:
A method for manufacturing a one end flange-less wheel rim includes the steps of: providing a sheet of rim material having a width substantially corresponding to the developed width of a one end flange-less wheel rim to be made, curving the sheet to form a cylinder, flaring one end of the cylinder, roll-forming the flared cylinder to the desired rim configuration using roll-forming machines each including an upper roll, a lower roll and a ring, with the flange-less side end of the rim material being axially abutted against the ring, and removing a margin for machining from the flange-less side end of the rim material. In the apparatus, the ring is coupled to one of the upper roll and the lower roll.
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Echols P. W.
Topy Kogyo Kabushiki Kaisha
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