Comparison of linear and trochoidal milling for wear and vibration reduced machining

Vibrations during milling lead to frequent tool replacements. This results in an unsteady load on the machine, which leads to increased tool wear, poor surface quality and therefore strong economic and ecological burden. Self-excited vibrations are influenced by the machining conditions, such as the workpiece geometry or the tool path generated by the used computer-aided manufacturing (CAM) software. This article compares linear and trochoidal milling in terms of vibration behavior and resulting wear phenomena by machining different component geometries. The results show, that trochoidal milling is not a suitable strategy to reduce vibrations and tool wear compared to linear milling.