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 8
... milling machine were bought and set up in a shop , and it was found that the fixtures formerly used in holding the pieces of work were not strong enough to hold them when the new machine was taking the heaviest cut possible , heavier ...
... milling machine were bought and set up in a shop , and it was found that the fixtures formerly used in holding the pieces of work were not strong enough to hold them when the new machine was taking the heaviest cut possible , heavier ...
Сторінка 10
... milling machine cutter which runs at a periphery speed of thirty - six feet per minute , milling a mild grade of machinery steel . It is found necessary to stop this machine once in twenty working hours to sharpen the cutter , milling ...
... milling machine cutter which runs at a periphery speed of thirty - six feet per minute , milling a mild grade of machinery steel . It is found necessary to stop this machine once in twenty working hours to sharpen the cutter , milling ...
Сторінка 55
... at which a piece of steel should be hardened in order to produce the best results , but this heat varies , as pre- viously explained . If two milling machine cutters were made from Refining heat , and what it means . two different 55.
... at which a piece of steel should be hardened in order to produce the best results , but this heat varies , as pre- viously explained . If two milling machine cutters were made from Refining heat , and what it means . two different 55.
Сторінка 78
... milling machine cut- ter , punch press die , or similar tool , having one or more holes Figure 28 . Irregular milling cutter blocked out for annealing . If through it , the holes should be made somewhat smaller than finish size before ...
... milling machine cut- ter , punch press die , or similar tool , having one or more holes Figure 28 . Irregular milling cutter blocked out for annealing . If through it , the holes should be made somewhat smaller than finish size before ...
Сторінка 88
... de- pending upon the liability of the piece to crack . Tools , as milling cutters , made from high carbon steel , are many times hardened to advantage in a bath Methods of cooling for hardening . of water having one 88.
... de- pending upon the liability of the piece to crack . Tools , as milling cutters , made from high carbon steel , are many times hardened to advantage in a bath Methods of cooling for hardening . of water having one 88.
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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