4FRENYO P, LANGE W. Design of cutting heads for optimal cutting performance[ R]. Gltlckauf Mining Reporter I, 1994:4 -7.
5HEKIMOGLU O Z, FOWELL R J. Theoretical and practical aspects of circumferential pick spacing on boom tunnelling machine cutting heads[J]. Min Sci Technol, 1991, 13(3) : 257 -270.
6GEHRING K H, FUCHS M. The ICUTROC project-roadheaders for hard rock applications and influences on their cutting perform- ance[ C ]//CMMI Congress 2002/International Codes, Technology and Sustainability for the Minerals Industry. [ S. 1. ] : [ s. n. ], 2002:113-121.
7ACAROGLU O, ERGIN H. The effect of cutting head shapes on roadheader stability[J]. Mining Technology, 2005, 114(3) : 140 -146.
8ACAROGLU O, ERGIN H. A new method to evaluate roadheader operational stability[ J]. Tunnelling and Underground Space Technology, 2006, 21:172-179.
