. Railway master mechanic [microform] . Tool Room Set for Engine Lathes. February. 1909 RAILWAY MASTER MECHANIC 65. Cold Air Tempering Fixture. hollow bars for engine lathes, shown herewith, for inside andoutside threading and especially for all kinds of heavy flangework, will be noted. The use of self-centering double endcutters for duplicate work makes for economy in the Krieger cold blast high speed hardening stand fortool and machine shop work is also shown. In hardeninghigh speed steel in cold air blast, it is necessary that the aircirculate freely upon all sides of the tools tre
. Railway master mechanic [microform] . Tool Room Set for Engine Lathes. February. 1909 RAILWAY MASTER MECHANIC 65. Cold Air Tempering Fixture. hollow bars for engine lathes, shown herewith, for inside andoutside threading and especially for all kinds of heavy flangework, will be noted. The use of self-centering double endcutters for duplicate work makes for economy in the Krieger cold blast high speed hardening stand fortool and machine shop work is also shown. In hardeninghigh speed steel in cold air blast, it is necessary that the aircirculate freely upon all sides of the tools treated and formno eddies. This new cold air tempering fixture has theseimportant points combined. The two air outlets are directlyover each other with a horizontal wire screen in center ofsame, for placing heated tools or cutters on it to cool evenly
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License: Licensed
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Keywords: ., bookcentury1800, bookdecade1890, bookpublishernewyo, bookyear1895
