Heating phenomenon, in the motor operation is more common; Under normal circumstances, the heat of the three-phase asynchronous motor will reach an equilibrium state, that is, the heat emitted is basically the same as the heat emitted, so that the motor will be maintained in a relatively warm temperature state. The following Senli motor Xiaobian will take you to a simple understanding of some factors that cause bearing heat.

       The main cause of bearing heating is the lubrication and heat dissipation conditions. In the manufacturing and operation process of three-phase asynchronous motor, the bearing lubrication system will not run well because of some inappropriate factors. When the working clearance of the bearing is too small, the running ring caused by the loosening of the bearing and the shaft or bearing chamber.

       Due to the action of axial force, the axial mating relationship of the bearing is seriously misaligned, and the unreasonable coordination of the bearing and associated parts will cause the grease to be thrown out of the bearing cavity and other adverse conditions, which will lead to the bearing heating during the operation of the motor, and the grease will degrade and fail due to high temperature, so that the bearing system of the induction motor will have serious heating phenomenon in a short time.

       Shaft current, for large motors, especially high-voltage motors and variable frequency motors is an inevitable quality hazard, shaft current is a very serious problem for the bearing system of the motor, if the necessary measures are not taken, the bearing system may collapse because of shaft current in dozens of hours or even hours.

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