RECENT PROGRESS AND SOME DIFFICULTIES IN COMPUTATIONAL MODELING OF MACHINING

ABSTRACT

A computer simulation approach to predicting chip formation, tool damage, and distribution of residual stress in metal machining is reviewed based on the authors' recent work. It is stressed that material characteristics should be included in the analysis of a practical machining process, since machining phenomena are intimately associated with deformation and fracture of work materials at high strain rates and high temperatures. Various simulated results and some comparisons with experiments are shown. Finally, the future scope of computational modeling of machining is envisaged.