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 24
... reamer or some other tool , and when hardened it is soft on one side , the other side being hard enough . There is no one that can be blamed but the hardener , so he , poor fellow , has to " catch it . " It wouldn't be human nature to ...
... reamer or some other tool , and when hardened it is soft on one side , the other side being hard enough . There is no one that can be blamed but the hardener , so he , poor fellow , has to " catch it . " It wouldn't be human nature to ...
Сторінка 25
... reamers is made up and the same boy is given the job of centering and " roughing " them , and the results are the same ... reamer from this same steel and it was satisfactory . Well , the only conclusion is that he made a mistake when he ...
... reamers is made up and the same boy is given the job of centering and " roughing " them , and the results are the same ... reamer from this same steel and it was satisfactory . Well , the only conclusion is that he made a mistake when he ...
Сторінка 34
... would be folly to invest several hundred dollars in a muffle fur- nace and an elaborate system of baths . But if the pro- duct of the shop was several hundred taps , reamers or Hardener should do his best . similar tools per day 34.
... would be folly to invest several hundred dollars in a muffle fur- nace and an elaborate system of baths . But if the pro- duct of the shop was several hundred taps , reamers or Hardener should do his best . similar tools per day 34.
Сторінка 79
... reamer or broach or similar tool is crooked in hardening , when in reality the blame rests with the man who turned or planed it to size . After it was annealed he tested it in the lathe , and finding it running out somewhat he takes it ...
... reamer or broach or similar tool is crooked in hardening , when in reality the blame rests with the man who turned or planed it to size . After it was annealed he tested it in the lathe , and finding it running out somewhat he takes it ...
Сторінка 87
... reamers , counter- bores , etc. , harden nicely in a bath made by dissolving one pound of citric acid crystals in one gallon of water . This proportion may be used in making a bath of any size . The following is recommended when it is ...
... reamers , counter- bores , etc. , harden nicely in a bath made by dissolving one pound of citric acid crystals in one gallon of water . This proportion may be used in making a bath of any size . The following is recommended when it is ...
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Загальні терміни та фрази
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