. American engineer and railroad journal . Fig. 1.—Front Fig. 2.—Back View. BOGERTS PATENT 28-INCH TURRET ENGINE LATHE. : 288 THE AMERICAN ENGINEER [.Tunc, 1805. bolts, eliminates all vibration between cross slide and stops permit the exact return of the turret tools intoline with the spindle, and control their setting. The carriage is 44 in. long, and gibbed to the front andback shear of the bed. The apron contains separate powerfulfriction gearing of phosphor-bronze for the longitudinal andcross-feeds, as well as the half nuts, which arc used only whenscrew-cutting.
. American engineer and railroad journal . Fig. 1.—Front Fig. 2.—Back View. BOGERTS PATENT 28-INCH TURRET ENGINE LATHE. : 288 THE AMERICAN ENGINEER [.Tunc, 1805. bolts, eliminates all vibration between cross slide and stops permit the exact return of the turret tools intoline with the spindle, and control their setting. The carriage is 44 in. long, and gibbed to the front andback shear of the bed. The apron contains separate powerfulfriction gearing of phosphor-bronze for the longitudinal andcross-feeds, as well as the half nuts, which arc used only whenscrew-cutting. By the lead-screw, which is 2£ in. in diameter,with a suitable arrangement of change gears, any desiredthread may be cut. The splined-rod which drives the powerfeeds may be geared to obtain a sufficiently coarse feed with-out disturbing the change gears operating the lead-screw ; thisis an important detail, facilitating the rapid production ofthreaded work. The direction of all power feeds is instantlychanged by the rocker-handle shown on the head stock. W
Size: 1935px × 1291px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering
