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 237
HOP WORK the Cincinnati Milling Machine Company, Fig. 213. Themachine shown has two milling heads for simultaneous opera-tions on both sides of the work, although single-head machinesare also made. The distinguishing characteristic of themachine is the provision of an automatic quick return to… … Fig. 213.—Semi-automatic plain milling machine. attached to the side of the work table as shown. The workbeing properly chucked and one of the hand levers tripped,the table goes quickly forward at a rate of one hundred inchesper minute until the first surface to be machined reaches thecutter, when…
Machine-shop practice
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