For riveted frame after painting,it often brings out problems such as white spot on paint film surface, fracture of spring washer,loosing of rivet and so on.

• 为避免铆接车架涂装后漆膜表面出现白色粉斑、弹簧垫圈易断裂、铆钉松动且强度下降等问题,采取了几项有针对性的措施,取消了原来的整体车架酸洗工序;