TECO-Westinghouse induction motor rotors are recognized as the
most reliable in the industry, and their high performance standards
are a hallmark of the World SeriesTM Motors.
The rotors advanced design features and rugged construction begin
with single-piece laminations that help prevent motor shifting
and vibration.
Rotor cores are held together by heavy-duty through-bolts and
end plates. Core mechanical integrity does not rely on any electrically
active component. Rotor bars and end rings are copper or copper
alloy. Copper is the time-proven choice for rotor construction
because it provides maximum performance and reliability.
Swaged rotor bars ensure long motor life by minimizing the movement
and vibration that can cause bar fatigue and failure. End rings
are centrifugally cast for a void-free cross section and purity,
and they are joined to the bars by high-frequency induction brazing
to reduce stresses and hot spots in the joint, which can cause
fatigue and failure.
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