. Railway mechanical engineer . tives, and are also used quite extensively inrepair shops for various kinds of work in connection withthe rebuilding and repair of locomotives. The machines, as originally designed and built, wereequipped with the Whitworth drive. They have been rede-signed and converted into reversing motor drive, each head be-ing provided with an individual 20-hp. reversing motorwhich furnishes power for driving the slotting rams. Eachof the heads has a cross rail on which the cutter bar saddle istraversed across the machine. The machines as rebuilt are on the bed. The bed is
. Railway mechanical engineer . tives, and are also used quite extensively inrepair shops for various kinds of work in connection withthe rebuilding and repair of locomotives. The machines, as originally designed and built, wereequipped with the Whitworth drive. They have been rede-signed and converted into reversing motor drive, each head be-ing provided with an individual 20-hp. reversing motorwhich furnishes power for driving the slotting rams. Eachof the heads has a cross rail on which the cutter bar saddle istraversed across the machine. The machines as rebuilt are on the bed. The bed is 7 ft. wide and 50 ft. long and thereare three slotter heads which span its working surface. One of the important features of this machine as it hasbeen rebuilt is the provision made for slotting at any saddle can be traversed along the cross rail and thehousings traversed along the bed in either direction withboth feeds engaged at the same time, having independentadjustment providing for slotting at any angle Triple Head Locomotive Frame Slotter Redesigned and Rebuilt by the Betts iVIachine Company provided with modern electric power feed, each head having By changing the machine over to reversing motor drive its individual 7jS4-hp. motor which also furnishes power for with electric feed and modernizing the machine, an increaserapidly traversing the head on the cross rail and the housing of at least 25 per cent in output is said to be obtained. Angle Compound Steam-Driven Air Compressor THE new air compressor illustrated is made in capacitiesfrom 1,000 ft. up by the Sullivan Machinery Company,Chicago, and represents the latest type of compressordevelojjed by this company. It is a single steam cylindermachine of the modem four valve type in which the steamtravels in a direct path from inlet to exhaust, and in whichinitial condensation is said to have been largely original and peculiar advantages are embodied in thedesign in conjunction with th
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectrailroadengineering
