B - Operations – Transporting – 22 – D
Patent
B - Operations, Transporting
22
D
22/53
B22D 11/06 (2006.01)
Patent
CA 1192373
S P E C I F I C A T I O N TITLE: METHOD AND SYSTEM FOR SHAPING THE CASTING REGION IN A TWIN-BELT CONTINUOUS CASTING MACHINE FOR IMPROVING HEAT TRANSFER AND PRODUCT UNIFORMITY AND ENHANCED MACHINE PERFORMANCE INVENTORS: R. William Hazelett S. Richard Hazelett John Frederick Barry Wood ABSTRACT OF THE DISCLOSURE Method and system are provided for continuously casting metal product directly from molten metal in which the molten metal is confined and solidified in a casting region defined above and below by upper and lower, cooled, endless, flexible traveling, casting belts supported by belt support systems including back-up rollers in respective upper and lower belt carriages and laterally defined by first and second traveling side dams, in which the back-up rollers and belt support systems shape and maintain the casting region for improved heat transfer and improved product uniformity and enhanced machine performance. Contact between the casting belts and the cast product is maintained at an acceptable pressure, and the cast product is produced with substantially uniform transverse cross section. Several methods and systems are disclosed including having one belt flexibly constrained, resulting in a movement or transverse bowing away from the casting centerline due to liquid metal head, with the opposing belt being rigidly constrained and contoured or transversely bowed towards the casting centerline in a configuration that compensates for the displacement of the flexibly constrained belt resulting in a uniform transverse cross section. Methods and systems are disclosed including bowing the upper back-up rollers down either by manual adjustment or remote control and at the same time allowing the lower rollers to yield; intentionally rigidizing the upper and/or lower back-up rollers ox sections thereof; bowing both sets of back-up rollers in equal and opposite directions, bowing the rollers inward or outward using either manual adjustment or remote control tensioning of these rollers; bending structural frame members which are in support relationship with the rollers and thus maintaining predetermined configurations of the rollers in contact with the belts and further including down- stream tapering of the casting region while also employing any of the shape and contact control methods and systems described above.
417310
Hazelett Robert W.
Hazelett Samuel R.
Wood John F.b.
Hazelett Strip-Casting Corporation
Westell & Hanley
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