摘要
本文从断裂力学的观点出发，分析了煤体在刀具切削作用下的破碎机理，以及刀具切削力的变化规律和影响因素。讨论结果与多年来许多研究者从实验中积累的有关知识十分吻合，说明了该理论的正确性，为从事切削力的计算及刀具的改进提供了理论依据。
The mechanism of coal cutting tools, variation of cutting forces and factors that affect coal cutting were studied from the point of view of fracturing mechanism. The conclusions of this study conform to the knowledge obtained in laboratory by many researchers in the past few years. It shows that the theory itself is correct and it provides a theoretical criterion for calculating the cutting forces and for improvement of the cutting tools.
出处
《煤炭学报》
EI
CAS
CSCD
北大核心
1993年第5期49-54,共6页
Journal of China Coal Society
关键词
刀具
破煤
断裂力学
煤体
破碎机理
cutting tools
coal cutting
fracturing mechanics
