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medical lamp bearing wear
time2012/01/31
medical lamp bearing wear, rotor eccentricity sweep chamber to rub the stator and rotor core issue with metal crash, a rapid increase in core temperature, severe motor smoke, even burn the coil. medical lamp itself, the reason: connection error, the error connected to △ Y-shaped form. The medical lamp temperature increased rapidly; medical lamp stator windings are phase short circuit, interturn short circuit or local ground, light when the motor overheating, insulation severe burn; operating light squirrel-cage rotor broken bars or defective. exam light run 1-2 hours, core temperature rose rapidly; medical lamp ventilation system failure, the fan should be checked for damage, direction of rotation is correct, the ventilation channel is blocked;