文章摘要信息 关键词 ： 薄煤层；煤壁破坏；结核；截深；支架阻力 [gap=1260]Keywords : thin coal seam；coal wall failure；nodules；depth-web；support resistance
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试验结果表明：相同截深时锥形截齿截割力比扁型截齿截割力大；
Results showed that: in the same cutting depth, the force employed on the point-attack pick is bigger than that on the knife tooth;
截深与截割力、比能耗的关系等，对截齿的几何参数及工作参数进行了较为有效的分析和研究，对于采煤机截齿的实际应用具有指导意义。
The geometrical parameter and the operation parameter of pick were analyzed and researched efficiently , which has guide sense to actual applying of the pick of shearer.
倒了大概一截手指那么深。
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