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. |
З цієї книги
Результати 1-5 із 44
Сторінка 34
... 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.
... 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 53
... steel heated in it shows the proper amount of hardness . This method is used by manufactur- ers of taps and similar tools , who 卯 Crucible Fire Box Grate Ash Box The Derry Collard Co. The same general I 2 3 4 5 Fig . 22. Test Pieces 53.
... steel heated in it shows the proper amount of hardness . This method is used by manufactur- ers of taps and similar tools , who 卯 Crucible Fire Box Grate Ash Box The Derry Collard Co. The same general I 2 3 4 5 Fig . 22. Test Pieces 53.
Сторінка 64
... tap , formed mill or similar tool becomes decarbonized , it is practi- cally useless . Now , if these same tools had been heated in a muffle furnace or in a piece of pipe in the open fire , removed from the action of the fire and the ...
... tap , formed mill or similar tool becomes decarbonized , it is practi- cally useless . Now , if these same tools had been heated in a muffle furnace or in a piece of pipe in the open fire , removed from the action of the fire and the ...
Сторінка 87
... taps , 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 ...
... taps , 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 ...
Сторінка 98
... taps , reamers , broaches , cherries , rotary files and similar tools having fine teeth likely to hold the lead . This formula is taken from the report of the Chief of Ordinance of the War Department , and is used in the U. S. ...
... taps , reamers , broaches , cherries , rotary files and similar tools having fine teeth likely to hold the lead . This formula is taken from the report of the Chief of Ordinance of the War Department , and is used in the U. S. ...
Інші видання - Показати все
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