日本金属学会誌

J. Japan Inst. Metals, Vol. 32, No. 6 (1968),
pp. 590-594

Trial Manufacture of the Machine for the Direct-Rolling of Molten Metals and the Preliminary Experiment

Masataka Sugiyama1, Tatsuichi Fukusako1 and Akira Sato2

1Department of Metallurgy, Faculty of Engineering, University of Tokyo, Tokyo
2Graduate Student, University of Tokyo, Tokyo

Abstract:

Regarding the prosess of direct-rolling of molten metals for the continuous production of finished products directly from molten metals as an extended prosess of the continuous casting method, manufacturing conditions of half-made products by this process have been studied. For this purpose, we manufactured a trial machine for our laboratory, based on that designed by Sir Henry Bessemer. In this paper the details of the direct-rolling apparatus and results of the preliminary experiment using commercial pure Al are reported. The results of investigations on the possibility of the direct-rolling and properties of direct-rolled plates are as follows: (1) It is quite possible to produce half-made products by the direct-rolling apparatus equipped with twin-rolls as in Bessemer's. (2) In case of direct-rolling of molten metals by the apparatus, there is an optimum size for the exit of the feeder of molten metals. When the space between the main rolls for chilling, solidifying and rolling is 15 mm, it is desirable that the optimum size for the exit of the feeder be 100 mm×32∼35 mm. (3) The direct-rolling apparatus can be used for direct-rolling in cases that the peripheral speed of pintch-rolls is as same as that of the main rolls, or somewhat faster. (4) The direct-rolling apparatus can roll metals immediately after being solidified at a lower direct-rolling speed.


(Received 1967/12/29)

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