Vacuum holding rotary welding fixture

Details Vacuum holding rotary welding fixture Vacuum holding rotary welding fixture

1995-12-14

1998-02-03

Heinrich, Samuel M.

Metal fusion bonding

Including means to force or clamp work portions together...

269 21, 219159, 21912113, B23K 3704

Patent

active

057135061

ABSTRACT:
A welding fixture includes a stationary tubular outer manifold having an outer flow passage extending radially therethrough for drawing vacuum, and a tubular spindle extending coaxially therethrough. The spindle includes a mandrel at one end over which the bore of a tubular body is positioned. A sleeve at the opposite end of the spindle is used for rotating the spindle. An inner manifold adjoins the sleeve and is disposed inside the outer manifold, and has an inner flow passage extending radially therethrough and disposed in flow communication with the outer passage for drawing vacuum inside the spindle and in turn inside the body for retaining a disk thereon. An annular flange adjoins the mandrel and the inner manifold, and has a seat facing the mandrel for receiving the body at a complementary counterbore, and also includes a bearing land disposed in contact with the outer manifold for rotation thereon. The spindle is rotated for rotating the body and disk thereon for allowing welding of the disk to the body. Vacuum is drawn in the body through the spindle for vacuum holding the disk to the body during the welding process.

REFERENCES:
patent: 2679713 (1954-06-01), Lytle
patent: 2968715 (1961-01-01), Wyman et al.
patent: 3049608 (1962-08-01), Greene
patent: 5499755 (1996-03-01), Myers et al.

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