When the casting is unloaded,side parting and core pulling are required as a circle dovetail groove is around the rope sheave.

 
  • 繩輪鑄件周緣有一圈梯形槽,鑄件脫模時(shí)需進(jìn)行側向分型和抽芯。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan