我厂生产的162-6103322车门角窗转动机构总成,是用2号锌合金材料压铸成型,该材料强度低、刚性差、脆性大。4个直径7mm的铆钉,也是用同样的材料和本体一起压铸成一体的。此件只有2.5mm厚。铆钉左右两边分别有1mm高的小凸台和高于8mm的凸起平面,距铆钉只有2mm左右。我厂原工艺是用手 I produced 162-6103322 door angle window rotating body assembly, is made of zinc alloy die casting 2, the material strength is low, poor rigidity, brittleness. Four rivets with a diameter of 7 mm are also die-cast in one piece with the same material and body. This piece is only 2.5mm thick. Left and right sides of rivets are respectively 1mm high small boss and raised plane above 8mm, only 2mm away from rivets. I plant the original process is hand