الفهرس 
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Abstract
AFM is the most important process of finishing products and obtaining high surface quality. In this research, the effect of magnetic field on the quality of surfaces resulting from the cutting process was studied. In addition to the construction of experimental and mathematical models based on Design of Experiment concepts were built.
The quality of surfaces resulting from AFM process were recorded to distinguish the improvement of surface roughness and rate of metal removal during operation.
As two of the most important problems resulting from the process of cutting directly affect the quality of the finished product.
The raw materials used in this study were identified as: 318 stainless steel, in addition to its chemical composition and mechanical properties. Also, the specifications of the machine used in this research and the devices used in the measurement processes. And the method of calculating the weight of the material removed. sixteen experiments were conducted to study the effect of three different variables: the number of operating cycles, the flow rate of the plastic cutter, and the magnetic field strength on two performance parameters: the value of the removed material, as well as the surface roughness resulting from the cutting process.
The design of the experimental plan was designed using the standard L16 orthogonal matrix of Taguci method. As well as the average practical results recorded. The necessary graphs were created. The magnetic field results were analysed in addition to the effect of various factors on the cutting process such as: number of operating cycles, flow rate of plastic cutting material, magnetic field strength on two performance parameters namely the value of the removed material and the surface roughness resulting from the cutting process.
Mini Tab Version 17 was used to create the main effect drawings of the different variables on the performance parameters in order to determine the most important variables. It was then determined the effect of the different variables controlling the cutting process, and it was investigated that magnetic field has a significant effect on surface processed by AFM.