Metal deforming – With cutting – By shearing tool-couple
Patent
1984-05-29
1986-03-04
Bray, W. D.
Metal deforming
With cutting
By shearing tool-couple
29159R, 83 55, 152375, 301 63R, B21D 5326, B21D 2800
Patent
active
045733384
ABSTRACT:
A method of manufacturing a disc vehicle wheel having both bolt openings and a center pilot opening in the wheel disc wherein the average axis of the wheel bead seats is eccentrically offset from both the bolt hole circle and center hole axes by an amount and in a direction so as to locate a peak of the first harmonic of bead seat radial runout adjacent to a predetermined location on the wheel rim where the disc punch tooling is constructed such that the bolt hole circle and center hole axes are non-coincident. The location of the average bead seat axis is within a zone bounded by the angular range of the peak location with respect to the predetermined location on the wheel rim, and by radii from the bolt and center openings determined by the maximum allowable bead seat eccentricity.
REFERENCES:
patent: 4279287 (1981-07-01), Daudi et al.
Bray W. D.
Motor Wheel Corporation
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