Industrial Heating, Volym 14National Industrial Publishing Company, 1947 |
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Sida 134
... tempering , spheroidizing Fig . 5 Electrically - heated pit - type convection fur- nace for holding quenched tools prior to tempering . and other operations . All are equipped with Brown recording instruments for automatic temper- ature ...
... tempering , spheroidizing Fig . 5 Electrically - heated pit - type convection fur- nace for holding quenched tools prior to tempering . and other operations . All are equipped with Brown recording instruments for automatic temper- ature ...
Sida 480
... Tempering of Drop Forgings NEW installation in a drop- forging plant for automatic , continuous hardening , washing and tempering assorted steel forgings , offers interesting possibilities for improvement in similar heat - proc- essing ...
... Tempering of Drop Forgings NEW installation in a drop- forging plant for automatic , continuous hardening , washing and tempering assorted steel forgings , offers interesting possibilities for improvement in similar heat - proc- essing ...
Sida 560
... Tempering Furnaces The heat - treating department also has three pit - type electrically- heated tempering furnaces , which 018 Fig . 13 Production - type electrically - heated nitriding furnace . Manifold alongside the furnace is for ...
... Tempering Furnaces The heat - treating department also has three pit - type electrically- heated tempering furnaces , which 018 Fig . 13 Production - type electrically - heated nitriding furnace . Manifold alongside the furnace is for ...
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JANUARY 1947 No 1 | 25 |
HULTGREN Salt Bath Furnaces are widely | 27 |
Ma | 35 |
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