DXYMJ型凸轮轴顶尖孔研磨机床：用于凸轮轴二顶针孔同时研磨，自动润滑，长短可调。适应性强，工作效率高。设置自动研磨时间，一人多机操作。方便可靠。

DXYMJ type Camshaft center hole grinding machine is used for grinding two center holes of the camshaft at same time, featured with self-lubrication, adjustable length, flexible and high work efficiency, automatic grinding time setting, convenient and reliable.