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 12
... piece of work is placed between the contact surfaces , as shown in Fig . 1 . Figure 1 . รม Illustrating expansion of steel . Now grasp the micrometer by the frame at the portion marked b , with a warm hand ; in a few seconds the metal ...
... piece of work is placed between the contact surfaces , as shown in Fig . 1 . Figure 1 . รม Illustrating expansion of steel . Now grasp the micrometer by the frame at the portion marked b , with a warm hand ; in a few seconds the metal ...
Сторінка 14
... Steel Edward Russell Markham. Uniform expansion in heating . Now , if a of the piece , until a certain limit is reached . change in temperature of a few degrees changes the size of a piece of steel , the reader is asked to imagine the ...
... Steel Edward Russell Markham. Uniform expansion in heating . Now , if a of the piece , until a certain limit is reached . change in temperature of a few degrees changes the size of a piece of steel , the reader is asked to imagine the ...
Сторінка 18
... piece of work is given him he studies the shape of the piece , the best method of heating and quenching , in order to get the desired results . To him steel is not simply steel , which must be treated just like every other piece of the same ...
... piece of work is given him he studies the shape of the piece , the best method of heating and quenching , in order to get the desired results . To him steel is not simply steel , which must be treated just like every other piece of the same ...
Сторінка 23
... Steel Edward Russell Markham. Decarbonized surface of steel . portion may not give trouble , it is necessary to cut away enough of the surface to remove this portion before hardening . If a tool which is to finish 1⁄2 inch diameter is to ...
... Steel Edward Russell Markham. Decarbonized surface of steel . portion may not give trouble , it is necessary to cut away enough of the surface to remove this portion before hardening . If a tool which is to finish 1⁄2 inch diameter is to ...
Сторінка 24
... Steel Edward Russell Markham. Extravagant economy . So it will be very ... steel , but some one in authority , wishing to save money for the manufacturing ... piece . As a consequence , the outside surface is removed , and all traces ...
... Steel Edward Russell Markham. Extravagant economy . So it will be very ... steel , but some one in authority , wishing to save money for the manufacturing ... piece . As a consequence , the outside surface is removed , and all traces ...
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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