Pool brazing apparatus for manufacturing rotor cages
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United States of America Patent
Stats
-
Apr 15, 1980
Grant Date -
N/A
app pub date -
Jul 7, 1978
filing date -
Oct 14, 1977
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A rig for pool brazing an end member such as an end ring or plate to one end of each of a plurality of bars during the production of a cage rotor for an electric machine comprises a chuck for gripping one end of a shaft of the rotor and support means for retaining the other end thereof whereby it can be retained in a substantially vertical position and means for driving the chuck to rotate the rotor. A substantially horizontal and circular framework is arranged around the chuck and defines a gap whereat a rig operator can stand to feed in brazing fluid between the end member and the end of each bar in turn. To heat evenly the ends of the bars and the end member as the rotor is rotated, a plurality of gas burner means are mounted on and spaced around the horizontal framework.
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