Abstract

During the face milling process, the choice of technological parameters plays an important role. The two most important parameters are the feed and the depth of cut, the ratio of which is also called the cutting ratio. The main topic of the paper is to examine how different values of the chip ratio affect the components of the cutting force and the roughness of the machined surface. It is also shown how important it is to know the exact geometry of the cutting insert, as well as - in the case of cutting with multiple inserts - the knowledge of the run-out between the individual inserts. Based on the performed investigations, it was determined that the use of a chip ratio close to 1 is not recommended either in terms of cutting force components or surface roughness.

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