The horizontal deep hole drilling machine series machine tools manufactured by our company are designed in a horizontal horizontal layout, and the tools are gun drills. It is mainly used for the processing of coaxial holes in large quantities of small and medium-sized rotary shaft parts. With multi-spindle and multi-station design, it can drill multiple workpieces at the same time. The design of workpiece clamping methods is diversified, and the auxiliary support mechanism of the workpiece is configured, which is convenient and fast for clamping, extremely high processing efficiency, and less auxiliary time. The cooling oil flow is adjusted by frequency conversion, equipped with an automatic oil temperature cooler and an automatic chip removal system.