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A miner bit has a base portion formed of two one being adapted to be mounted to a continuous mining machine and the other having a frustoconical end
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Wear 111 1986 403417 403 A MODEL FOR WEAR OF CONICAL COAL MINING BITS P K MEHROTRA Philip M McKenna Laboratory Kennametal Inc Greensburg PA 16601 U S A Received September 6 1985 accepted September 20 1985 Summary A detailed analysis of a conventional fieldtrial was performed in which a continuous miner was employed to cut coal with one set of standard
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21 Mar 2015 ten thousand tons of coal mining in our country and using efficiency of picks is 2 analyzed the stress of conical picks of coal cutter by using ANSYS The cemented carbide tool bit on top of conical picks falls off when the nbsp
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Performance Analysis of Two Different Conical Picks Used in Linear
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A theoretical model for predicting the Peak Cutting Force of conical
School of Mechanical and Electrical Engineering China University of Mining amp Technology Xuzhou 221116 China luck honey 163 com criterion and rock cutting theory in this paper firstly then the theoretical model for predicting the PCF of conical pick is Journal of China Coal Society 34 6 2009 737 741
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