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| ELECTROMAGNETIC FIELD DISTRIBUTION IN TWO-STAGE SLITLESS SOFT CONTACT ELECTROMAGNETIC CONTINUOUS CASTING MOLD |
| Bai-Gang JIN;Qiang WANG |
| 东北大学材料电磁过程研究教育部重点实验室 |
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Cite this article:
Bai-Gang JIN; Qiang WANG. ELECTROMAGNETIC FIELD DISTRIBUTION IN TWO-STAGE SLITLESS SOFT CONTACT ELECTROMAGNETIC CONTINUOUS CASTING MOLD. Acta Metall Sin, 2007, 43(9): 999-1003 .
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Abstract Some parameters such as length of the top half of mold, coil location and meniscus level in the two-stage slitless soft contact mold were analyzed through the 3-D FEM numerical simulation method. The distribution of electromagnetic field in the whole two-stage slitless mold system was also studied. Magnetic flux density in mold increased with the length of the top half increasing. Coil should be placed near the top of mold to increase the magnetic field. Initial meniscus level should be controlled between the center and the top of coil to obtain the ideal soft contact effect. The alternating magnetic field could penetrate mold wall then impose on metal strand under the given conditions in this research. Magnetic field on vertical direction mainly acted on metal strand meniscus location. The magnetic flux density increased in the top half of mold, but decreased greatly in the down half of mold. The uniformity of magnetic flux density was good in circumferential direction and degenerate to boundary in radical direction. The magnetic field in the two-stage mold was more uniform than that in the slit mold, as was better for industry use.
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Received: 16 January 2007
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