. Railway mechanical engineer . Fig. 4—Jack Support for Straightening Steel Car Sills shank have been used, including welding in the blacksmithshop, electric welding, gas welding and brazing. All thesemethods have been used with more or less success, no diffi-culty usually being experienced except in the case of thelarger size tools used on wheel lathes and planers. Theoxy-acetylene process has been most generally used, thewelds being made successfully in a variety of ways. On theSanta Fe this is no longer considered a reclamation process,as the supply of scrap high speed steel has all been us
. Railway mechanical engineer . Fig. 4—Jack Support for Straightening Steel Car Sills shank have been used, including welding in the blacksmithshop, electric welding, gas welding and brazing. All thesemethods have been used with more or less success, no diffi-culty usually being experienced except in the case of thelarger size tools used on wheel lathes and planers. Theoxy-acetylene process has been most generally used, thewelds being made successfully in a variety of ways. On theSanta Fe this is no longer considered a reclamation process,as the supply of scrap high speed steel has all been tips are now made from bar stock and are charged atthe price of the new material. A tool l/2 in. by 1 in. by 8 in. M, Id Steel Shelby Tubing <fr,Pe , , \£f* s- „ Mi let ., H\,gSa Packing A .Steel—■ ■■. —It SThdsLlSSfd. Length fr, -:suit mark \i Brass WhistleValve Crane COS j Check » Waste Cock. / Crane *~G06 Section A-BFig. 5—Holder-On for Pneumatic Tools can be made complete in this manner at a price of 43 centsas compared with a price of 74 cents for a similar tool ofsolid high speed steel. A tool 1*4 hi. by 2 in. by 14 would cost $ if a solid bar of high speed steelwere used, can be made for $ by using a high speed tipon a shank of tire steel. On the other hand it must be con-sidered that the tipped tool has only about one-seventh thelife of the solid high speed steel tool, it becoming necessaryto reforge the shank and weld on a new tip when the toolhas been ground back to within y2 in. of the end of the McKernan pointed out that on this basis it would not Septembkr, 1916 RAILWAY MECHANICAL ENGINEER 475 be considered economical to use the welded tools if it werepossible to secure the high speed steel on the basis of themarket existing before the war. The following stat
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectrailroadengineering
