Pre compression is required for all parts as otherwise the requirements (reference value) ≤ 0,1 mm cannot be reached.$ k' G* b" B5 z! a
The stability test will only be carried out on some parts (5 pieces out of every 10.000 pieces). 2 M5 v& f! f) T5 O4 {7 x" K% R有接触过国外压铸铝的大哥给我个帮助。- {; S4 a; m( Z$ `/ L; q9 ~9 n5 H' r
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?