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2011•Natural Science Journal of Xiangtan UniversityRequires access

New Type Spiral Drill Bits Long Structure Dynamic Numerical Simulation and Experimental Study

Yang Zhen-shi

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Abstract

In this paper,as long spiral drill which is one type of engineering machinery product is drilling inefficiency and broken easily,combined with the metal cutting theory to design a new structure in the form of long spiral twist drill,and to establish the basis of soil mechanics soil mechanics model applied ANSYS / LS-DYNA in the Lagrange algorithm drilling simulation,analysis of long spiral drill drilling efficiency.The results show that the new long spiral drill cutting efficiency significantly higher than the traditional long spiral drill.

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What this paper is about

In this paper,as long spiral drill which is one type of engineering machinery product is drilling inefficiency and broken easily,combined with the metal cutting theory to design a new structure in the form of long spiral twist drill,and to establish the basis of soil mechanics soil mechanics model applied ANSYS / LS-DYNA in the Lagrange algorithm drilling simulation,analysis of long spiral drill drilling efficiency.The results show that the new long spiral drill cutting efficiency significantly higher than the traditional long spiral drill.

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Available abstract

In this paper,as long spiral drill which is one type of engineering machinery product is drilling inefficiency and broken easily,combined with the metal cutting theory to design a new structure in the form of long spiral twist drill,and to establish the basis of soil mechanics soil mechanics model applied ANSYS / LS-DYNA in the Lagrange algorithm drilling simulation,analysis of long spiral drill drilling efficiency.The results show that the new long spiral drill cutting efficiency significantly higher than the traditional long spiral drill.

Key concepts: Drilling, Spiral (railway), Drill, Structural engineering, Engineering, Mechanical engineering, Petroleum engineering, Computer science

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