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Finite element analysis and experiment on self-locking torque of electromagnetic balance head
Published:2021-06-23 author:LIANG Jing-wei, LIU Bao-guo, SHEN Hui-peng, et al Browse: 1755 Check PDF documents
Finite element analysis and experiment on self-locking torque of electromagnetic balance head

LIANG Jing-wei1,2, LIU Bao-guo1,2, SHEN Hui-peng1,2, MEI Jun-wei1,2

(1.School of Mechanical and Electrical Engineering, Henan University of Technology, Zhengzhou 450001, China; 
2.Henan Key Laboratory for Super-abrasive Grinding Equipment, Zhengzhou 450001, China)


Abstract: Aiming at the problem of self-locking torque of electromagnetic active balancing head, under a specific structure, a 3D model of self-locking magnetic circuit was established by simplifying the magnetic circuit process. The peak value of self-locking torque of magnetic circuit air gap length from 0.1 mm to 0.5 mm was calculated by ANSOFT MAXWELL. According to the principle of self-locking, a test platform was built, the peak value of self-locking torque was tested based on LabVIEW software and hardware platform. The same peak value of self-locking torque was measured by changing the number of air gap adjusting gaskets. The results show that the peak value of self-locking torque decreases with the increase of air gap in a similar exponential function. The test results of machining error and material defects are less than the results of finite element analysis, but the error is less than 20%, which meets the engineering requirements, and the test results verify the effectiveness of the finite element analysis results. The research provides an important reference for the development and design of balancing head.

Key words: electromagnetic balance head; peak self-locking torque; ANSOFT MAXWELL; LabVIEW

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