Methods of machine shop work : for apprentices and students in technical and trade schools (1914)
Halsey, Frederick A. (Frederick Arthur), 1856-1935 · New York : McGraw-Hill · leaf 242
to thecutter speed when a large cutter is substituted for the smallone, this reduction being so great that this feed, in turn, becomes useless for large cutters. Whatever the size of the cutter,only a small part of the entire feed range is applicable to it.With the inches per minute feed, on the… … Fig. 218.—^lultiple spindle planer type milling machine. for cutters of different sizes a much greater total number offeeds must therefore be provided with the thousandths perrevolution than with the inches per minute plan. As a matterof fact, so great a number is never provided, the result,…
Machine-shop practice
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