The Influence of Magnetic Traction Force of Geared Motor Boxes Vibration

In the context of the inevitable use of calculation and simulation in the design of traction electrical equipment in industrial environments, the issue of technological purity in manufacturing traction drive units is becoming increasingly relevant. Specifically, precise production of charge-welded units, hardening, and tempering of materials for elements of the supporting structures of traction motors are crucial. One of the most pressing issues in the serial production of traction electric drives, from the perspective of mechanical and strength tests, is to determine the cause of vibration in the rotating components of the electric drive. This vibration can be of both mechanical and electromagnetic nature, especially when considering the power supply characteristics of the traction motor gear unit (hereinafter referred to as MGU) using voltage converters with pulse width modulation (PWM). The purpose of this work is to conduct experimental studies to establish the causes of increased vibration activity in the MGU sample. Research has shown that vibration in motors featuring charge-welded housings can be substantially intensified by structural resonance.