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 7
... shape have been improved , and made heavier in the parts subjected to strain , in order that heavier cuts and faster feeds might be taken to reduce the cost of production . : If a tool is doing the maximum amount of work possible for it ...
... shape have been improved , and made heavier in the parts subjected to strain , in order that heavier cuts and faster feeds might be taken to reduce the cost of production . : If a tool is doing the maximum amount of work possible for it ...
Сторінка 18
... 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 metal , but it is a valuable tool or ...
... 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 metal , but it is a valuable tool or ...
Сторінка 26
... shape of the hammer pene or of the set used . Steels of different makes vary in their composition . A successful hardener will experiment with a new steel and find out just what he can do with it . One make of steel will harden at an ...
... shape of the hammer pene or of the set used . Steels of different makes vary in their composition . A successful hardener will experiment with a new steel and find out just what he can do with it . One make of steel will harden at an ...
Сторінка 27
... shapes . The more common shapes are round , square , flat and octagon . If steel is to be cut from the bar and ma- chined to shape , it is advisable to purchase bars which The choice of proper steel . allow of machining to 27.
... shapes . The more common shapes are round , square , flat and octagon . If steel is to be cut from the bar and ma- chined to shape , it is advisable to purchase bars which The choice of proper steel . allow of machining to 27.
Сторінка 28
... shape , at the least expense and with as little waste of material as possible . Always remember that it is necessary to remove the decarbonized portions previously mentioned . If a tool which is to be cylindrical in shape is to be made ...
... shape , at the least expense and with as little waste of material as possible . Always remember that it is necessary to remove the decarbonized portions previously mentioned . If a tool which is to be cylindrical in shape is to be made ...
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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