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| Analysis of the influence of dynamic roll gap and reduction on the direct and quality of slab CC |
| HE Yu-ming |
| （Chongqing Iron and Steel Co.， Ltd.， the First Steelmaking Plant， Chongqing 401258， China） |
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Abstract 3 sets of large slab continuous casting machine in a steelmaking plant of Chongqing Iron & Steel Co. Ltd， the end of the three manufacturers of dynamic pressure system， low carbon low silicon steel production in the crack sensitive steel and billet shell to bulge， start by the end of 2009 after a period of time， have adopted the dynamic roll gap light pressure under the basic technology， keep caster accuracy stability， internal quality of slab and normal walking smoothly， there is pressure caused by the improper casting quality standards and billet walking abnormalities， analysis of the existing problems is conducive to future upgrade to improve to overcome shortcomings， to better meet the needs of production.
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Received: 04 August 2017
Published: 16 March 2018
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2018, Vol. 37 
