【摘要】 回顾了导卫装置的发展历程，全面介绍了导辊的材料使用状况，分析失效形式并找出失效原因，阐述了导辊的选材和材料研究方向更多还原

【Abstract】 Course of development of the mill guides as well as material for guide roller is reviewed in retrospect; current status of the material used in the guide roller is introduced in detail; forms and reasons of the disabled guide rollers are analyzed; and selection of guide roller and orientation for study on the wear resistant material are pointed out.更多还原