The New Encyclopædia BritannicaEncyclopædia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 260
Tolerances Invention of the steam- hammer Optimum cutting speed Cutting at red heat The engine lathe. Machine tools that form parts by removal of metal chips include lathes , shapers and planers , drilling ma- chines , milling machines ...
Tolerances Invention of the steam- hammer Optimum cutting speed Cutting at red heat The engine lathe. Machine tools that form parts by removal of metal chips include lathes , shapers and planers , drilling ma- chines , milling machines ...
Page 261
... cutting tools . Tool materials . In order to remove chips from a work- piece , a cutting tool must be harder than the workpiece and maintain a cutting edge at the temperature produced by the friction of the cutting action . Carbon steel ...
... cutting tools . Tool materials . In order to remove chips from a work- piece , a cutting tool must be harder than the workpiece and maintain a cutting edge at the temperature produced by the friction of the cutting action . Carbon steel ...
Page 262
... cuts metal as the workpiece is fed against a rotating cutting tool called a milling cutter ( Figures 2 and 7 ) . Cutters of many shapes drilling reaming overarm cutter work table saddle knee AW spindle column arbor vise base boring ...
... cuts metal as the workpiece is fed against a rotating cutting tool called a milling cutter ( Figures 2 and 7 ) . Cutters of many shapes drilling reaming overarm cutter work table saddle knee AW spindle column arbor vise base boring ...
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applied army atoms bearings became become body called cause central centre century church complete connected continued cutting direction Dutch early effect electric electrons energy equal example expressions fact field Figure force France French function gears German give given House important increased industry Italy King known land later load logic London Louis lubricant machines magnetic major material means mechanical ment miles motion move movement natural obtained operations original period political population position possible principles problem produced properties propositions region relations remained result River rotation rule shaft speed square surface temperature theory tion tool towns true turn types United universal usually valid