长辊在方坯连铸机水平段的应用

描述连铸机上不同部位的连铸辊的失效形式，介绍短辊装置结构组成及工作原理，说明短辊装置存在的问题，阐述了长辊装置的结构组成及工作原理，从连铸机作业率、生产成本、铸坯质量、投资、寿命、维护等方面分析了长辊装置的优势。详述方坯连铸机水平段连铸辊的改造措施及实施效果。

Application of Long Rolls in the Horizontal Section of the Billet Continuous Casting Machine

This paper describes the failure fbrm of the different casting rolls, introduces device structure and working principle of the short roller, indicates the existence problems of short roller device, describes the struc- ture and working principle of the long roller, from the aspects of continuous caster operating rate, operating cost, J quality of casting billet, investment, life, maintenances analysis of long roller＇s advantage, detail reform measures on billet level caster casting roll and the implementation effect.