前不久,一位东风汽车用户从我站配件部买了一套右后轮固定螺栓,装上没几天全部折断。用户认为是质量问题,前来索赔。我站购进的是原厂螺栓,质量从未出现过问题。估计该车有其他因素造成螺栓折断,于是请用户把车开来检测一下。经过检测,发现轮辋上的螺栓孔磨损过大。其边缘呈刀口形状,螺母边缘与螺栓孔接触面较小,轮辋固 Not long ago, a Dongfeng auto users from our station accessories department bought a set of right rear wheel fixing bolts, installed a few days all broken. Users think it is a quality problem, come to claim. My station purchase is the original bolt, the quality has never been a problem. It is estimated that the car has other factors causing the bolt to break, so ask the user to test the car. After testing, found that the rim bolt hole wear too much. Its edge is a knife-edge shape, nut edge and bolt hole contact surface is small, rim solid