. American engineer and railroad journal . ds andadjustable stops which are conveniently located. The longitu-dinal turret slide travels on large raised Vs, is provided withgibs its full length, and a binder which permits the slide to befirmly clamped to the bed at any point within its travel. Thepower longitudinal feed is positive in both directions, and hassix changes, any one of which can be set instantly. There are six automatic longitudinal stops and six supplemen-tary stops, which give two positions to each turret tool. If neces-sary, all twelve stops may be used for one or all tools in
. American engineer and railroad journal . ds andadjustable stops which are conveniently located. The longitu-dinal turret slide travels on large raised Vs, is provided withgibs its full length, and a binder which permits the slide to befirmly clamped to the bed at any point within its travel. Thepower longitudinal feed is positive in both directions, and hassix changes, any one of which can be set instantly. There are six automatic longitudinal stops and six supplemen-tary stops, which give two positions to each turret tool. If neces-sary, all twelve stops may be used for one or all tools in theturret, making it possible to effectively cover all stops are held in a heavy steel bracket, which may be movedalong the front of the bed and clamped where desired. In caseit is desired to run through a few special pieces of work, theautomatic stops may be dispensed with and the supplementarystops used in their place without the necessity of disturbingadjustments. July, 1907. AMERICAN ENGINEER AND RAILROAD JOURNAL. 285. PRATT & WHITNEY 2j4 X 26 INCH OPEN TURRET LATHE. The distance from the axis of the spindle to the turret toolis altered by traversing the turret slide. This arrangement per-mits ample support for long bars, and if the machine is beltdriven, gives an unvarying belt tension. A motor can be mount-ed on the head without difficulty. The-cross slide has bothhand and power feed. There are six variations of the powerfeed in either direction. Eight distinct adjustable cross stopsare provided, which may be used in any combination desired. The bed and pan are made in one single casting and haveU-shaped cross webbing insuring rigidity. Generous provisionfor oil and chips is provided. A variety of turret tools adaptedto meet practically all the various requirements are furnished toorder. AN IMPROVED TOOL POST FOR SLOTTERS. the sleeve at the lower end is such that when the nut at the topis tightly drawn up any tendency toward lateral movement dueto a loose
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering
