Method of making a sheet metal hub assembly

Details Method of making a sheet metal hub assembly Method of making a sheet metal hub assembly

1975-07-23

1976-09-21

Moon, Charlie T.

Metal working

Method of mechanical manufacture

Assembling or joining

416180, B21D 3900, B23P 1102

Patent

active

039810682

ABSTRACT:
A method of manufacturing a hydraulic torque converter impeller member and the product of such manufacture in which a hardened steel cylindrical bearing is assembled to a drawn hub portion of a generally annular sheet metal part to comprise a torque converter impeller comprising the steps of (1) semidrawing the part to include a partly drawn hub portion, (2) placing a hardened cylindrical bearing in a die mechanism, (3) assembling the generally annular part into the die mechanism with the hub portion engaged in the cylindrical bearing (4) drawing and extruding the hub by moving an object the size of the desired finished inside diameter of the hub through same whereby the hub is formed and forced against the bearing member with sufficient force to make a permanent connection between the hub and bearing, and (5) trimming the excess material from the outer end of the hub portion to conform same to the dimensions of the cylindrical bearing.

REFERENCES:
patent: 2185483 (1940-01-01), Ward
patent: 2232973 (1941-02-01), Rood
patent: 2739374 (1956-03-01), Kaiser
patent: 2754573 (1956-07-01), Schoessow
patent: 2779292 (1957-01-01), Zeidler
patent: 3156042 (1964-11-01), Reed
patent: 3166828 (1965-01-01), Tupper
patent: 3497946 (1970-03-01), Tingley
patent: 3538792 (1970-11-01), Stillwagon
patent: 3869258 (1975-03-01), Scott

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