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
... heavy cuts , and use as coarse feeds , as the strength of the machine and fixtures would allow . While manufacturers in general recognize the im- Waste through improper handling . portance of having machines especially 8.
... heavy cuts , and use as coarse feeds , as the strength of the machine and fixtures would allow . While manufacturers in general recognize the im- Waste through improper handling . portance of having machines especially 8.
Сторінка 28
... heavy blows , trouble will follow and the steel be condemned . For this reason it is considered advisable to advocate the use of a temper that will give satisfactory results when put to most uses . But the fact remains that Carbon ...
... heavy blows , trouble will follow and the steel be condemned . For this reason it is considered advisable to advocate the use of a temper that will give satisfactory results when put to most uses . But the fact remains that Carbon ...
Сторінка 62
... heavy and light sections adjoining each other , as shown in Fig . 23 , heat the heavy portion first , then the lighter one ; but if this is not possible , have a slow fire , in order that the light part may not be overheated before the ...
... heavy and light sections adjoining each other , as shown in Fig . 23 , heat the heavy portion first , then the lighter one ; but if this is not possible , have a slow fire , in order that the light part may not be overheated before the ...
Сторінка 65
... heavy pieces of steel will burst with a report as loud as a gun , and pieces of the steel will be carried for some distance by the force exerted . Now , in order to avoid this tendency , it is neces- Pliability of hardened steel . sary ...
... heavy pieces of steel will burst with a report as loud as a gun , and pieces of the steel will be carried for some distance by the force exerted . Now , in order to avoid this tendency , it is neces- Pliability of hardened steel . sary ...
Сторінка 67
... heavy and light portions adjoining each other , it would not be advisable to sud- denly immerse them in liquid heated to 300 ° , 400 ° or 500 ° Fahr . , as the unequal expansion might cause the pieces to crack where the heavy and light ...
... heavy and light portions adjoining each other , it would not be advisable to sud- denly immerse them in liquid heated to 300 ° , 400 ° or 500 ° Fahr . , as the unequal expansion might cause the pieces to crack where the heavy and light ...
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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