The American Steel Worker: A Twenty-five Years' Experience in the Selection, Annealing, Working, Hardening and Tempering of Various Kinds and Grades of SteelDerry-Collard Company, 1906 - 333 стор. |
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Сторінка 9
... stand idle waiting for another one to be made , many times represents a greater loss than the money value of the tool . This is especially true where the time given to complete the job is limited . If a tool is hardened in a manner that ...
... stand idle waiting for another one to be made , many times represents a greater loss than the money value of the tool . This is especially true where the time given to complete the job is limited . If a tool is hardened in a manner that ...
Сторінка 16
... stand his treatment , that is the only brand on the market fit to use - according to his way of thinking - and he gener- ally has such an unpleasant and forcible personality , that he either has his say or goes where he can . He never ...
... stand his treatment , that is the only brand on the market fit to use - according to his way of thinking - and he gener- ally has such an unpleasant and forcible personality , that he either has his say or goes where he can . He never ...
Сторінка 21
... stand more heat than steel of 11⁄2 per cent . carbon , it should not be heated hotter than a low red . Tool temper ( 14 per cent . carbon ) . A very useful temper for turning tools , drills and planer tools in the hands of ordinary ...
... stand more heat than steel of 11⁄2 per cent . carbon , it should not be heated hotter than a low red . Tool temper ( 14 per cent . carbon ) . A very useful temper for turning tools , drills and planer tools in the hands of ordinary ...
Сторінка 24
... stand by and say nothing when blamed for something one didn't understand , so he , in turn , says the steel is no good . As a consequence , the make of steel is often changed and another kind is procured , and as it is desirable to test ...
... stand by and say nothing when blamed for something one didn't understand , so he , in turn , says the steel is no good . As a consequence , the make of steel is often changed and another kind is procured , and as it is desirable to test ...
Сторінка 25
... stand it no longer and gets out . The next man has the same results , and those in charge say , “ You can't get a decent hardener now - a - days . " All this trouble and expense because some one wanted the reputation of being a good ...
... stand it no longer and gets out . The next man has the same results , and those in charge say , “ You can't get a decent hardener now - a - days . " All this trouble and expense because some one wanted the reputation of being a good ...
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allow annealing best results bottom brittle cast iron cent charcoal charred leather cold considered advisable cool counterbores crucible steel containing cutting tools cyanide Derry Collard Derry Collard Co dipped draw the temper drills excellent results Figure fire forging furnace gauges give grain grinding hammer hard hardened steel hardening box high carbon steel high speed steels hole hotter inch kettle lathe tool lead linseed oil machinery steel mandrels manner method milling cutters milling machine cutters mixture necessary to harden open hearth steel ordinary pack hardening packing material percentage of carbon phosphorus piece of steel pipe placed plate plunged portion possible proper punch punch press quenched raw bone reamer red heat refining heat removed screw screw threading shape shown in Fig similar tools soft spring surface tank taps teeth temper color temperature tion tongs tool steel uniform heat wire writer