ANALYSIS OF SINGLE POINT CUTTING TOOLS WITH DIFFERENT TOOL MATERIALS AND JOB MATERIALS

Abstract

Cutting technologies are the engines behind manufacturing. Without cutting, none of modern product would ever been place into service. Developing new materials directly wants analysis for method windows in cutting. Vast engineering efforts brought cutting within the position where it's these days and despite all rumors attempting to declare, that cutting is superannuated or cutting analysis is finished it's still a significant field of analysis and prone to fast innovations. Considering these facts present research work is devoted to investigations in cutting tools. For this purpose a single point cutting tool was targeted and investigations were made on Vonmises stresses and total deformations considering different types of tool materials and job materials. The tool materials were molybdenum high speed steel (Mb HSS) and Cubic Boron Nitride (CBN). The job materials were aluminium and tool steel. During the analysis, variation of parameters were analyzed by analyzing cutting forces, and varying depths of cut to 0.5 mm, 1 mm, 1.5 mm and 2 mm, and rack angles to 0º, 2º, 4º, 6º, and 8º. The results show that during the machining, cutting forces contribute greatest as compared to thrust and feed forces, and increase with depth of cut. Results of Vonmises stress analysis shows these stresses increase with increase in rack angle and depths of cut, irrespective of type of job material and tool material. At 1.5 mm and 2 mm depths of cut, von-misses stresses show same intensity, but value of deformations changes which depends on the type of materials used for tooling and job.