Based on the analysis of the deephole characteristics of heat exchange plate and gun drill processing, processing methods were put forward to improve axial deviation of holes in thinwalled deep holes drilling by reducing radial cutting force of tool, increasing the length of guide block and increasing thinwalled position strength. Four gun drill processing methods were designed. These methods were compared by drilling experiments, and ideal drilling effect was obtained.
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张文强,宋清俊.基于枪钻的薄壁深孔加工工艺设计[J].机床与液压,2016,44(4):18-20. . Thinwalled Deephole Processing Design Based on Gun Drill[J]. Machine Tool & Hydraulics,2016,44(4):18-20