一种快速实用可靠的气门研磨方法柴油机经工作使用后气门密封性能变差或者更换新的气门、气门座、气门导管后，都要进行气门研磨；当前，绝大多数维修者，都是用气门拍（又称气门吸碗）吸住气门，不断往复提起和拍下，并稍作转动，使气门、气门座间的密封环带在有气门磨砂... A fast and practical and reliable valve grinding method Diesel engine working through the use of the valve sealing performance deterioration or replacement of new valve, valve seat, valve guide, should be carried out valve grinding; At present, the vast majority of maintenance are valves Pat (also known as valve suction bowl) suction valve, constantly lifting and photographed back and forth, and a little rotation, the valve, the valve seat between the sealing ring with valve scrub ...