Apparatus for chamfering edges of a rim element

Details Apparatus for chamfering edges of a rim element Apparatus for chamfering edges of a rim element

1987-09-03

1989-04-18

Larson, Lowell A.

Metal deforming

By use of tool acting during relative rotation between tool...

During rotation of work

72110, B21H 110

Patent

active

048215481

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.

REFERENCES:
patent: 852829 (1907-05-01), Einfeldt
patent: 3097570 (1963-07-01), Mackey
patent: 3616985 (1971-11-01), Koch
patent: 3779060 (1973-12-01), Schroder
patent: 3850017 (1974-11-01), Fencl et al.

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