Welding apparatus for induction motor
A technology for induction motors and welding equipment, applied in welding equipment, arc welding equipment, manufacturing motor generators, etc., can solve the problems of time-consuming, expensive, etc., and achieve reduced work cycle time, good heat transfer capacity, and high conductivity. effect of influence
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[0021] Referring to the drawings, wherein like reference numerals represent like parts throughout the several views, figure 1 A first embodiment of a welding apparatus 10 for welding an alternating current (AC) induction motor 12 is shown. Specifically, welding apparatus 10 uses first and second friction stir welding (FSW) heads 14, 16 to weld conductor bars 18 of annular rotor 20 of induction motor 12 to first and second shorting rings 22, 24, respectively. The short-circuit rings 22, 24 are preferably copper alloys or aluminum alloys. As described further below, the welding heads 14, 16 simultaneously weld the conductor bar 18 to the shorting rings 22, 24 with the welding heads 14, 16 held relatively stationary and the rotor 20 rotated to weld along a dual circular welding path. .
[0022] see Figure 7 , shows the rotor 20 before the conductor bars 18 are welded to the shorting rings 22 , 24 . When complete, induction motor 12 will also include a stator, not shown. The...
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