Method of making a thin-walled bearing bushing

Details Method of making a thin-walled bearing bushing Method of making a thin-walled bearing bushing

1982-09-24

1984-10-23

Husar, Francis S.

Metal deforming

By use of closed-die and coacting work-forcer

Forcing work into or within closed die; e.g., forging

72348, 72356, 72412, 291495C, 291484R, 464128, 384564, 384569, B21D 2200

Patent

active

044780664

ABSTRACT:
A method for making by a deep drawing process a thin-walled bearing bushing comprising a cylindrical sleeve section and a bottom section closing one end of the sleeve section having an outer peripheral rim at the juncture of the sleeve and bottom sections of small cross sectional radius including the step of forming an annular groove which is deep relative to the normal thickness of the bottom section and has a sharp profile in one face of the bottom section adjacent the juncture of the sleeve and bottom section, the groove being impressed axially to effect radial displacement of the material outward into the area of the peripheral rim.

REFERENCES:
patent: 2384444 (1945-09-01), Cravener, Jr. et al.
patent: 2934813 (1960-05-01), Nippert

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