Friction welding tooling

Details Friction welding tooling Friction welding tooling

1995-12-14

1997-10-21

Bradley, P. Austin

Metal fusion bonding

Including means to provide heat by friction between...

228 443, 2281121, B23K 2012, B23K 3704

Patent

active

056787499

ABSTRACT:
In a friction bonding operation the friction generating and weld forming forces are usually applied perpendicular to the joint faces. Thus, whenever the joint angle changes to component cassette part of the welding machine must be reset to a new angular orientation. This situation arises in the manufacture of a compressor BLUM (Bladed drUM) for a gas turbine engine, where the blades in successive stages are set at different HADE angles. The invention provides an improved component cassette in which the HADE angle is ignored. The cassette is interlocked with the workplace holder to provide a closed force loop to contain out-of-plane forces while retaining sufficient degrees of freedom to allow the friction generating and welding movements to proceed unimpeded.

REFERENCES:
patent: 3702169 (1972-11-01), Bonneville et al.
patent: 5486262 (1996-01-01), Searle

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