. Railway mechanical engineer . Device for Removing Indentations from Superheater Smoke Tubes the indenlatiuns. When properly placeil air is applied and bylightly striking the tube with a hammer the indentation is quicklyremoved and the tube pressed back into perfect shape. Thiswork can be done with great rapidity and the tulics are in perfectcondition when returned to service. HORIZONTAL DRILLING ATTACHMENTFOR A RADIAL DRILL BY V. T. KROPIDLOWSKI The horizontal drilling attacliment shown in the illustrationmay be used to good advantage on a radial drill for counter-sinking holes in the flange
. Railway mechanical engineer . Device for Removing Indentations from Superheater Smoke Tubes the indenlatiuns. When properly placeil air is applied and bylightly striking the tube with a hammer the indentation is quicklyremoved and the tube pressed back into perfect shape. Thiswork can be done with great rapidity and the tulics are in perfectcondition when returned to service. HORIZONTAL DRILLING ATTACHMENTFOR A RADIAL DRILL BY V. T. KROPIDLOWSKI The horizontal drilling attacliment shown in the illustrationmay be used to good advantage on a radial drill for counter-sinking holes in the flanges of back tube sheets and many otheroperations of a similar nature. The body of this device, shownat A, may be forged solid from a piece of mild .teel. such as. Horizontal Drilling Device for Use on Radial an old axle, and the recess for the gears cut out, or it may bemade from two pieces of round steel, one end of each beingsplit and drawn out flat to the required dimensions, the flatportions being welded and shaped so that the two bars are at Januarv, 1915 AGl: , MICCl lANICAI, IDIIIOX right angles tu each ulhtr as sliuvvii in tin, drawing. The harsare then tinished in a drill press to form the bearings of thespindles B and B\ Spindle B has a Morse taper extension C,for insertion in tlic drill spindle at one end and a bevel gear;it the other. Spindle /i has a thrust collar D on the outerend, which is Iltted with a Morse taper socket. The bevel gearon the inner end nu-shcs with llu gear im spindle li. A yoke(/ of flat is bent arcpinid the body nf the device,the ends being twisted and extended to support a cross piece// which carries a feed screw. The work is damped againstthe drill liy means nf the feed sc
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectrailroadengineering
