數控龍門加工(gong)中心的制造材料
數控龍(long)門加(jia)工中心(xin)鑄(zhu)(zhu)件(jian)的材(cai)(cai)料鑄(zhu)(zhu)件(jian)的材(cai)(cai)料不(bu)(bu)同(tong),鑄(zhu)(zhu)造收(shou)縮率(lv)也不(bu)(bu)同(tong)。例如,鑄(zhu)(zhu)鋼的收(shou)縮率(lv)比灰鑄(zhu)(zhu)鐵大;灰鑄(zhu)(zhu)鐵中硫(liu)多時(shi),收(shou)縮率(lv)增大,硅(gui)多時(shi)收(shou)縮率(lv)減(jian)小(xiao)。鑄(zhu)(zhu)件(jian)優先......更多
2021-04-29