. American engineer and railroad journal . imn w 111 i i lilMUM. M U HIM [•001 COMPANY S Ml ll-l I 1 M M II I \l •i mi lide wiih Its centei fixed upon the Bwivel ill It* the grinding wi I, bo a ih pilot nbei i at the front pro the grin blocs ■ i i band wheel to be ground, and holding the hand wheel is alt o Ferent dlainetei i of band win. lii pet .1 ot th. hand « roui through b univei al loinl dri\ i o From i ice k- Shlplej MachineCincinnati are the manufa 64 AMERICAN ENGINEER AND RAILROAD JOURNAL. 60-INCH MOTOR-DRIVEN ROLL-TURNING LATHE. This lathe was designed for turning heavy pipe rol
. American engineer and railroad journal . imn w 111 i i lilMUM. M U HIM [•001 COMPANY S Ml ll-l I 1 M M II I \l •i mi lide wiih Its centei fixed upon the Bwivel ill It* the grinding wi I, bo a ih pilot nbei i at the front pro the grin blocs ■ i i band wheel to be ground, and holding the hand wheel is alt o Ferent dlainetei i of band win. lii pet .1 ot th. hand « roui through b univei al loinl dri\ i o From i ice k- Shlplej MachineCincinnati are the manufa 64 AMERICAN ENGINEER AND RAILROAD JOURNAL. 60-INCH MOTOR-DRIVEN ROLL-TURNING LATHE. This lathe was designed for turning heavy pipe rolls, etc.,and is made very substantial throughout to withstand thesevere strains which come upon it in connection with this classof work, a Crocker-Wheeler Co. 25 variable speed motoris mounted on a cast iron stand attached to the bed at therear of the headstock and is connected to the driving shaft by. Near the end of the bed, below the headstock, is the feedchanging device, and by means of the three levers, which areshown, seven distinct and positive feeds can be obtained with-out removing a single gear. The feed gears are neatly housedin, and an index plate indicates the combination to be used forany pitch, thread or feed. What appears to be a taper attachment will be noted in theview looking down on the lathe. It is used to impart curvedsurfaces to long pipe-straighteningrolls and is operated by a shoe pro-vided with anti-friction rollerswhich slide in a slot. Straight workcan be turned by disengaging thenut which holds the shoe and bytightening the cross feed nut. Theconcaving rest shown in the sameview is interchangeable with thecompound rest, and is used forgrooving out pipe welding rolls. Itoperates with rotary motionthrough worm and worm wheel,with either hand or power feed. The heavy housings shown arefor holding heavy pipe roll cast-ings. This lathe is built by theAmerican
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering
