. American engineer and railroad journal . BIO. 32.—GENERAL VIEW OF THE NILES RADIAL DRILL AS EQUIPPED WITH Till: INDIVIDUALMOTOR DRIVE. CROCKER-WHEELER MOTOR AND RUCKS SHOPS.—PITTSBURGH i LAKE ERIE. 33.—BEAR VIEW OF THE DRILL, SHOWINGMETHOD OF MOUNTING THE MOTOR UPON THE BRACKET. its equipment for individual driving, which was carried out ashere indicated. In order to more fully understand this application, and toget some idea of the comparatively small amount of work andmaterial which were required in this case to change over fromthe belt drive, reference may be made to Fig
. American engineer and railroad journal . BIO. 32.—GENERAL VIEW OF THE NILES RADIAL DRILL AS EQUIPPED WITH Till: INDIVIDUALMOTOR DRIVE. CROCKER-WHEELER MOTOR AND RUCKS SHOPS.—PITTSBURGH i LAKE ERIE. 33.—BEAR VIEW OF THE DRILL, SHOWINGMETHOD OF MOUNTING THE MOTOR UPON THE BRACKET. its equipment for individual driving, which was carried out ashere indicated. In order to more fully understand this application, and toget some idea of the comparatively small amount of work andmaterial which were required in this case to change over fromthe belt drive, reference may be made to Fig. 35, which is adiagram showing how the tool was driven originally with thebelt drive. This drill is of the usual style with the arm, which carries thedrill spindle, arranged to swing about the column, and on theopposite side of this column from the arm, and bolted to thearm casting where it embraces the column, is a bracket whichpreviously carried the two speed cones and the gears as desig-nated on the diagram. Clears 4 and 5 and t
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering
