Method and apparatus for producing hermetic torque converter sea

Details Method and apparatus for producing hermetic torque converter sea Method and apparatus for producing hermetic torque converter sea

1993-12-27

1995-07-11

Rosenbaum, Mark

Metal fusion bonding

Process

Using dynamic frictional energy

298895, B23K 2012

Patent

active

054313252

ABSTRACT:
A method and apparatus for joining a torque converter impeller assembly and a cover assembly are available to produce a torque converter having a hermetically sealed weld seam without the use of filler material. One of the assemblies is mounted on a stationary mount while the other assembly is mounted on a movable mount that aligns the two assemblies and can be rotated and moved axially relative to the stationary mount. The two assemblies are brought and held together while relative rotation between the two exists and then, when a predetermined interval is reached, the relative rotation is stopped and a forging force is applied. The heat from the rubbing allows the two assemblies to be plastically deformed and produce a friction weld, producing a torque converter having the proper dimensions.

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"Friction Welding Becomes A Production Process," Metalworking Production (Jan. 24, 1962) pp. 65-67.

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