精选优质文档-倾情为你奉上 Metal-cutting process Metal-cutting processes are extensively used in the manufacturing industry. They are characterized by the fact that the size of the original workpiece is sufficiently large that the final geometry can be circumscribed by it ,and that the unwanted meterial is removed as chips,particles ,and so on. The chips are a necessary means to obtain the desired tolerances, and surfaces. The amount of scrap may vary from a few percent to 70%
