2008•Coal Mine MachineryRequires access

Parameters Design of Screw Drilling Rod on ZYR-1200 Entire Hydraulic Pressure Drilling Machinery in Coal Mine

Dayong Tang

Abstract

Took the screw drilling rod that was used for the ZYR-1200 entire hydraulic pressure drilling machinery in coal mines as object of study.It emphatically introduced a design process of two important parameters-the screwing up angle of the screw blade and the pitch.The experimental situation of the screw drilling rod on the ZYR-1200 entire hydraulic pressure drilling machinery was explained,and accuracy of parameters design of screw drilling rod was comfirmed.

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Key concepts: Drilling, Engineering, Coal mining, Hydraulic pressure, Petroleum engineering, Directional drilling, Coal, Process (computing)