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 279
nd so lose what approach toaccuracy they may have when new. Gears which are at oncebetter and cheaper than those molded from patterns are moldedon gear-molding machines^ of which an excellent example at theworks of the Mesta Machine Company is shown in Fig. 273.The machine has somewhat the… … Fig. 273.—Gear molding machine. only and hence may be made with all the accuracy possible inhand work and at small cost. It is mounted on a supportdepending from the cross rail. When in position the workmanrams the sand around it, then withdraws it radially, indexes thetable for the next tooth and…
Machine-shop practice
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
