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 248
Fig. 235.—Rack cutting by a gang of cutters. … Fig. 236.—Rack cutting by a single cutter. 238 METHODS OF MACHINE SHOP WORK ■ ^^^^^^^^^k i^BIBLi^^iL: 1 i 1 Fig. 237.—Cutting bevel gears. „ « 1 »■■ u Fig. 238.—Drilling an index plate. MILLING 239 the rack teeth is determined by the spacing of the cutters, whichmust be of high accuracy. A more…
Machine-shop practice
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