Abstract
Despite the introduction of comparatively new manufacturing processes such as powder metallurgy and plastics which are gradually assuming their true functions in industry, manipulation of metals by machining still occupies a place of major importance among methods of production and the efficiency with which machining operations are carried out continues to influence greatly the overall industrial efficiency of the country.
Research provides a means of greatly accelerating progress toward the goal of efficient metal machining, and recent developments in other fields of science and industry now present opportunities of research and development in metal machining, incomparably greater than have hitherto been known. The progress recently made in the field of surface finish measurement which, for the first time, makes possible a rational investigation of finish machining operations, is just one example of newly acquired knowledge which can now be applied in solving the complex problems of metal machining.
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