Stator laminations are accurately die-cut from thin, non-aging,
high grade precoated silicon steel, which has been insulated on
both sides to minimize core losses. The stator core is built up
from these silicon steel segmental punchings and held under pressure
between two endplates by through bolts that are tightly torqued
and tack welded. Additionally, a set of core bars is welded to
the stator core and to the endplates to insure tightness, torsional
stiffness, and adequate transmission of airgap torque to the motor
foundation. The result is a permanently tight and concentric core
with uniform airgap. An exclusive TECO-Westinghouse punching design
prevents the laminations from becoming dislodged.
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