一、前言英国煤炭管理局以锥形截齿作为截盘式巷道掘进机切割部件的应用正在增长。以前很少发表用锥形截齿进行实验室试验的资料,而且表明锥齿特性的一些角度的作用也没有统一的观点。为此,英国煤炭管理局采矿研究与发展中心用锥形截齿进行了岩石切 I. INTRODUCTION The use of conical picks as cutting parts for tunnel boring machine boring machines by the British Coal Administration is growing. Few data previously published on laboratory tests using conical picks have been published, and there has been no consensus on the role of bevel teeth at some angles. To this end, the British Coal Mining Administration Center for Mining Research and Development Center cut with taper rock cut