Modares Mechanical Engineering

Modares Mechanical Engineering

The Methods of Manufacturing and Optimizing the Permanent Magnet in Order to Increase the Efficiency of the Magnetic Abrasive Finishing Process on Flat and Free Surfaces

Authors
Seyd Alireza Rasouli
Davoud Nori
10.22034/mme.23.10.255
Abstract
One of the components of the MAF process is the magnetic field that is applied through the field source. This source can be permanent or electrical. In terms of shape, permanent magnets are divided into two main categories: cubic and cylindrical. In the past researches, cylindrical overhead magnets have been used to perform MAF on free surfaces, which is not very efficient due to the time-consuming process. In this research, first of all, the methods of making overhead magnets have been examined to find the optimal magnetic conditions. Then, in order to increase the efficiency of the process, methods to increase the efficiency of the overhead magnet have been investigated. Based on this, the mentioned methods have been discussed and evaluated. According to the results, in the method of using a ball magnet and connecting it to a cylindrical magnet, the magnetism density is significant, and also by grooving the head magnet, the roughness changes on the inclined surfaces of the ferromagnetic workpiece from 21% to It reached 34.4% and in the inclined area with a curvature angle of 90 and 105 degrees of the surface of the ferromagnetic workpiece, a 9% increase in roughness changes occurs.
Keywords
Magnetic abrasive finishing
Abrasive Powder
Magnetic flux density
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Modares Mechanical Engineering
Volume 23, Issue 10
October 2023
Pages 255-261