. Railway mechanical engineer . ilroads. Only 168 ofthose completed remained to be lettered, numbered and placedin service on November 6. iiiiiiiiiiiiiiiiiiiiiiiiiiiiHiiiiiiiiiiiiiiiiiiiiiiii I iiiiiiiiiiiiiiiiiii iiiiiiiiiiiiiiiiiiiii mil I I nil I I I iiiii I iiiiiiiiiiii IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIHIIIIIIIIIIIIIIIilllllllllllllllllli Shop Practice iiiiii<iiiiii<iiiiiiiniiiiiiiiiiiiiiiiiiiiiiiiiii»iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii»iiiiiiiiiiiiiiiiiiw JIGS AND SPECIAL DEVICES IN LOGO-MOTIVE REPAIR SHOPS By J. C. BEVELLETool Foreman, El Paso & Southwest
. Railway mechanical engineer . ilroads. Only 168 ofthose completed remained to be lettered, numbered and placedin service on November 6. iiiiiiiiiiiiiiiiiiiiiiiiiiiiHiiiiiiiiiiiiiiiiiiiiiiii I iiiiiiiiiiiiiiiiiii iiiiiiiiiiiiiiiiiiiii mil I I nil I I I iiiii I iiiiiiiiiiii IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIHIIIIIIIIIIIIIIIilllllllllllllllllli Shop Practice iiiiii<iiiiii<iiiiiiiniiiiiiiiiiiiiiiiiiiiiiiiiii»iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii»iiiiiiiiiiiiiiiiiiw JIGS AND SPECIAL DEVICES IN LOGO-MOTIVE REPAIR SHOPS By J. C. BEVELLETool Foreman, El Paso & Southwestern, EI Paso, Tex. In Figure 1 there are shown two flue sheet cutters, onefor small boiler flue holes and the other for large super-heater flue holes. The advantages in the small cutter is thatthe maintenance cost is very small on account of the cutterblade being made of flat bar stock and not requiring muchmachining. The blade is made of high speed steel similarto a counterbore and the cutter holder is made of a low car-. bon steel, hardened and tempered. The cutting edge of theblade is ground with a lip which makes it free cutting andcurls the clips. This tool drills the hole in 40 sec. andstands up well under all conditions. The superheater flue sheet cutter is made so that it willcut all sizes required for superheater flues with one set ofblades. With the milled places in the cutter body as shownin Fig. 1, it is only necessary to remove the blades and
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectrailroadengineering
