By the analysis and study on the difficult problems in drill vertical shaft conduit processing, the reasons were found and the relevant solutions were established. The paper introduced the design idea and the process of a new special spindle for drill vertical shaft conduit processing.
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周亚军.钻机立轴导管工艺分析与专用心轴设计[J].钻探工程,2011,38(7):16-18.ZHOU Ya-jun. Analysis on Drill Vertical Shaft Conduit Processing Technology and Design of Special Spindle[J]. Drilling Engineering, 2011,38(7):16-18.