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 287
ferentially, the eccentric-ities being so proportioned that when the bush is turned half 276 METHODS OF MACHINE SHOP WORK around from the position shown the centers of a and of c coin-cide, in which position of the parts if c be revolved the positionof a will be stationary. By adjusting h the… … Fig. 283.—Vertical planetary grinding machine. adjustment being supplemented and increased by varying thediameter of the grinding wheel. The appearance of the rearend of the grinding spindle and of the eccentric bush with themethod of driving the spindle are shown in Fig. 281, in whichalso the gear…
Machine-shop practice
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