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 11
... forging , annealing or hardening . A man who understands the effect of heat on high carbon tool steel is often amazed at the careless manner which many old blacksmiths assume when heating a piece of steel . A difference of 100 to 200 ...
... forging , annealing or hardening . A man who understands the effect of heat on high carbon tool steel is often amazed at the careless manner which many old blacksmiths assume when heating a piece of steel . A difference of 100 to 200 ...
Сторінка 19
... a lower grade than tool steel . It is softer , works more easily , both in the operations of forging and machining , and can be safely heated to a higher temperature without harm to the steel . It Tool steel - what it is ; what it's for 19.
... a lower grade than tool steel . It is softer , works more easily , both in the operations of forging and machining , and can be safely heated to a higher temperature without harm to the steel . It Tool steel - what it is ; what it's for 19.
Сторінка 29
... in the table . When steel containing a higher percentage of car- bon is used , then extra care must be observed when heating . For the operations of forging , annealing , or No one steel best for all purposes . hardening high 29.
... in the table . When steel containing a higher percentage of car- bon is used , then extra care must be observed when heating . For the operations of forging , annealing , or No one steel best for all purposes . hardening high 29.
Сторінка 30
... forging heat . Then , standing it on end on the anvil , or on a block of iron on the floor - if it were long - and giving it one or more blows on the end with a hand hammer or sledge ; the weight of the hammer depending on the size of ...
... forging heat . Then , standing it on end on the anvil , or on a block of iron on the floor - if it were long - and giving it one or more blows on the end with a hand hammer or sledge ; the weight of the hammer depending on the size of ...
Сторінка 35
... forging or hardening , he should see that his fire is clean and that it is high enough above the blast inlet so no jet of air can strike the heated steel . It is possible to heat comparatively small articles in a satisfactory manner in ...
... forging or hardening , he should see that his fire is clean and that it is high enough above the blast inlet so no jet of air can strike the heated steel . It is possible to heat comparatively small articles in a satisfactory manner in ...
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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