. American engineer . d, and thespeed of the motor is then adjusted until the pointer is oppositethe size of the drill to be used. The stopping and starting ofthe motor is controlled by automatic starters operated by pushbuttons. ^^■hen working en mud rings, the brackets supporting the tableare removed and special mud ring chucks are placed on the table,which is run back between the housings. These brackets aredoweled in position, allowing them to be readily removed andreplaced. Some of the more important dimensions of this tool, which is built by the Foote-Burt Company, Cleveland, Ohio, are g
. American engineer . d, and thespeed of the motor is then adjusted until the pointer is oppositethe size of the drill to be used. The stopping and starting ofthe motor is controlled by automatic starters operated by pushbuttons. ^^■hen working en mud rings, the brackets supporting the tableare removed and special mud ring chucks are placed on the table,which is run back between the housings. These brackets aredoweled in position, allowing them to be readily removed andreplaced. Some of the more important dimensions of this tool, which is built by the Foote-Burt Company, Cleveland, Ohio, are given in the following table: Clear width between housings 14 ft. 4 in. Maximum distance from spindle to top of table 2114 in. Length of power feed 12 in. Maximum distance center to center of spindles 10 ft. ISIinimum distance center to center of spindles 18 in. Working surface of the table 24 in. x 14 ft. 4 in. Spindle speeds 37 to 347 Diameter of spindle in sleeve 24 in. Weight of machine -\<.n00 lbs. SPEED DIAL. Mud Ring and Flue Sheet Drill with Independent Motor Driven Heads , 1912. :KIC.\.\ 375 STEEL TRUCK SIDE FRAMES A truck side frame for freight cars is built by tbe MurphyE(|uipnHnt Company, New York, which is made up entirely ofrolled steel. The various members may be cither welded orriveted together as shown in two of the accompanying illustra-tions. The oxy-acetylene process is used n the welded frameas well as for welding the gusset plate on the riveted \ rolled steel channel is bent to form part of the compression instead of three, as shown, and the gusset plates wereriveted instead of welded. The frame was supported the sameas it would lie in service, the journal being replaced by apair of steel clamps. The deflection was measured by a straightedge secured to the tension member and gage points at thejournal box supports. The frame was evenly loaded by meansof a hydraulic press and the accompanying table shows th
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectrailroa, bookyear1912
