Manufacturing Process ConsiderationsManufacturing Process Considerations 零件的结构工艺性零件的结构工艺性Casting structureCasting structure 铸件结构铸件结构Common machining structuresCommon machining structures机加工常见结构机加工常见结构Structure of drill holeStructure of drill hole钻孔结构钻孔结构 请点击相应标题显示其内容 请点击相应标题显示其内容 Casting structure 铸件结构铸件结构Sand box cover Overflow Pouring head Sand box cover Overflow Pouring head 上砂箱 冒口 浇口1. Draft 起模斜度 起模斜度: : The The 1 1 20 20（ （ 3 3 ） ）draft draft along along the the drawing drawing direction di
