Pre compression is required for all parts as otherwise the requirements (reference value) ≤ 0,1 mm cannot be reached.- `+ _( F: w% ?; K7 U6 o# s
The stability test will only be carried out on some parts (5 pieces out of every 10.000 pieces).& l8 o2 G7 m! R
有接触过国外压铸铝的大哥给我个帮助。% i8 m% \5 w9 i9 `9 I
第二句里面有个稳定性测试,请问他是指那个方面呢?有没有标准可循?