Abstract

During milling process of sand molds, cutting force greatly affects tool life and machining efficiency. Therefore, it is very important to study the cutting force variation and the factors affecting the forces for determining the machining parameters and improving the performance of machining systems. In this paper, the theoretical formulas and mathematical models of the sand molds cutting are established to calculate the cutting forces by using sand cutting mechanism. The effects of cutting parameters on the cutting forces are analyzed, and the experimental results are well coincident with the theoretical analysis.

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