Abstract
Abstract 
 Magnetic abrasive finishing (MAF) process is one of non-traditional or advanced finishing methods which is suitable for different materials and produces high quality level of surface finish where it uses magnetic force as a machining pressure. A set of experimental tests was planned according to Taguchi orthogonal array (OA) L27 (36) with three levels and six input parameters. Experimental estimation and optimization of input parameters for MAF process for stainless steel type 316 plate work piece, six input parameters including amplitude of tooth pole, and number of cycle between teeth, current, cutting speed, working gap, and finishing time, were performed by design of experiment (DOE) and response surface methodology (RSM).These six input parameters in this research were optimized for all input parameters to improve the surface layer for work piece by using signal-to-noise ratio technique. The obtained results showed that all six input parameters have an influence on the change in surface roughness(∆Ra). In addition, the results showed that the surface roughness of the work piece decreased from 1.130 to 0.370µm that means high level of improvement in the change of surface roughness (0.760)µm.
 Keywords: MAF process, MINITAB software, parameters, Signal-to-Noise ratio, surface roughness, Taguchi orthogonal array.
Highlights
In Many advantages of (MAF) process, the working gap between the magnet pole and the work piece is filled of with magnetic abrasive particles MAPs, can be used such as bonded or unbounded powder
Magnetic abrasive finishing method improved the quality of the surface; the result has been analyzed by using the Signal-to-Noise ratio method to obtain the optimal level for each process parameter that corresponded to the largest (S/N) ratio are given in
MAF process, the following inferences have been derive based on the results and discussion: 1. The optimum parameters are found at the
Summary
In MAF process, the working gap between the magnet pole (end face) and the work piece is filled of with magnetic abrasive particles MAPs, can be used such as bonded or unbounded powder. Ferromagnetic particles' acting such as a multipoint cutting tool, and develops finishing force and pressure, leading to the influence of the magnetic field density in the working gap gap. The specialty of MAF process was capability to control the flexibility of tool, ferromagnetic powder sealing by magnetic field,, one can control the density and rigidity of the magnetic brush, that help to change the topography of magnetic ma flux in the working gap, [2,3,4]. MAF is a modern relatively process of polishing begin in US in1930s, magnetic abrasive finishing MAF are famous in Russia. This process was developed and growth between 1980-2000.
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