Apparatus for chamfering edges of a rim element
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United States of America Patent
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-
Apr 18, 1989
Grant Date -
N/A
app pub date -
Sep 3, 1987
filing date -
Sep 3, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus for chamfering through press forming edges of a rim element is provided upstream of a flaring machine for forming a rim shape on a disk wheel manufacture line. The apparatus includes a pair of edge rolls having vertically extending axes and having respective groove members formed therein. A wall of a rim element conveyed into the apparatus is axially squeezed between the edge rolls at the groove members thereof and the edges of the rim element is press formed. Since a rim element conveyed into the apparatus has still an axially straight extending wall, the rim element has a high rigidity in the axial direction of the rim element and therefore, an undesirable deformation does not occur in the rim element during the press forming.
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