DMG-2.2型电动钢轨仿形打磨机，是用于对铁路钢轨顶面、侧面及圆弧部位进行快速打磨的高效专用设备。本机选用新型铝壳Y系列电动机作动力，由电动机、机架、砂轮、进给装置、靠磨轮及导向轮等部件组成。适用于钢轨焊缝、不平整接头、轨侧肥边、轨面焊修等部位的打磨。该机作业效率高、使用安全、磨削质量好、操作简便、上下道方便，是新铺铁路、工务大修、养护维修及抢险作业的必备设备。

DMG-2.2 Electric Rail Profiling Grinding Machine is a kind of high-efficiency equipment which is specially used for high-speed grinding on top plane, side plane and arc part of the rail. Powered by new type Y series aluminum hull motor, this machine is composed of motor, stander, sand wheel, feeding device, closing grinding wheel and guiding wheel. It can be applied to grinding at different positions such as rail welding seam, uneven joint, rail-side protruding edge, repairing welding on rail surface. This grinding machine has some characters such as high efficiency, use safety, good grinding quality, and easy operation. It has been the necessary equipment for new-laid railway, railway repairing and maintenance and rescue operation.