Electric heating – Metal heating – Of cylinders
Patent
1979-02-13
1981-12-22
Rubinson, Gene Z.
Electric heating
Metal heating
Of cylinders
219 1077, 219 1071, 219 85, H05B 606
Patent
active
043072763
ABSTRACT:
A method of heating a long metal product to a desired temperature by an induction heating coil while continuously moving the long metal product longitudinally. The long metal product thus heated attains a uniform temperature throughout its entire length. For this purpose, the space enclosed by the induction heating coil is hypothetically divided into a plurality of sections in the direction in which the long metal product travels. The temperature of the long metal product in each hypothetically divided section is estimated by calculation from the temperature of the long metal product at the inlet of the induction heating coil. Based on the estimated temperatures, the power supplied to the induction heating coil is controlled so that the temperature of the long metal product agrees with the desired temperature at the outlet of the induction heating coil.
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Ichiko Osami
Itoh Kametaro
Kanzaki Hisashi
Kawaguchi Tadashi
Kurata Kazutoshi
Leung Philip H.
Nippon Steel Corporation
Rubinson Gene Z.
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