. Railway mechanical engineer . L. 4 _ jl _?t*-r a rB-rih-ti J. J. ua olifl;igre<^ AIR FROM FM. S STEEL niNCS TO FIT POT m Fig. 2—Lead Pot Furnace is shown in Fig. 3. This is lighter than an S wrenchof the size required to hold the head of a journal box boltand one man is all that is needed to use it. are made from high speed steel and are used in the Davisexpansion boring tool holder. They have a ten degree undercut which gives them a good cutting edge. The jig for 474 RAILWAY MECHANICAL ENGINEER Vol. 90, No. 9 holding the cutter for cutting the under cut is shown inFig. 8. RECLAIMING
. Railway mechanical engineer . L. 4 _ jl _?t*-r a rB-rih-ti J. J. ua olifl;igre<^ AIR FROM FM. S STEEL niNCS TO FIT POT m Fig. 2—Lead Pot Furnace is shown in Fig. 3. This is lighter than an S wrenchof the size required to hold the head of a journal box boltand one man is all that is needed to use it. are made from high speed steel and are used in the Davisexpansion boring tool holder. They have a ten degree undercut which gives them a good cutting edge. The jig for 474 RAILWAY MECHANICAL ENGINEER Vol. 90, No. 9 holding the cutter for cutting the under cut is shown inFig. 8. RECLAIMING MATERIAL E. J. McKernan, A., T. & S. F.: All tool steel on theSanta Fe system is reclaimed. The steel is first returned toour Topeka shop for a general inspection, after which suchmaterial as is considered serviceable is held in reserve to bemade up into small tools as we deem necessary. The shortpieces of high speed steel are made into tips for lathe andplaner tools, the tips being gas welded to shanks of tire short ends of old lathe and planer tools are drawn outand made up into
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectrailroadengineering
