【摘要】 通过冲击试验台的冲击破煤实验 ,得出冲击式采煤机在不同刀齿下冲击破煤时煤壁破断角的分布规律 ,寻求对应最佳破碎效果的刀齿 ,为优化冲击式采煤机设计提供了理论依据。更多还原

【Abstract】 Based on the analysis and experimental study on the tool shape of impact shearer,the relationship of the shape and impact effect is given out,which provide theoretical foundation for optimizing impact shearer.更多还原