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《Journal of Liaoning Technical University》 2002-05
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Research on the installing angle of shearer pick-shaped cutter

LIU Chun-sheng (Heilongjiang Scientific and Technical Institute, Jixi 158105,China)  
On the basis of detailed analyzes of the influence installation angle of pick-shaped cutter on its force and cutting coal, the theory design conditions without interferences between tooth adapter and coal wall according to a certain relation the main paramenters and installing angles of cutting teeth and coal qualities is introduced in this paper. The validity of theory analysis is further proved through single tooth cutting coal experiment, and the long-term problem of lacking theory basis for the installation and arrangement of pick-shaped cutter is resolved from the magnitude of cutting resistance, alternation rule and the influence extent to the components formation when interferences between tooth adapter and coal wall exist, so that it has guide meaning to the parameters design of pick-shaped cutter and cutters?installation and arrangement.
【Fund】: 黑龙江省国际科技合作重点攻关项目(WB01104)
【CateGory Index】: TD421.6
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