本科论文目 录摘 要............................................................................................................IAbstract.............................................................................................................II引 言...........................................................................................................11 金方圆数控提升折弯机丝杠调整机构........................................................21.1 金方圆数控提升折弯丝杠调整机构简介.........................................21.2 研究目的与意义.................................................................................31.3 研究内容及设计要求与预期成果.....................................................42 零件分析........................................................................................................62.1 结构分析.............................................................................................62.2 工艺分析.............................................................................................72.3 技术要求分析...................................................................................112.4 丝杠调整机构毛坯料选择...............................................................143 工艺规程设计..............................................................................................183.1 基准选择...........................................................................................213.2 制定工艺路线...................................................................................214 确定切削用量及进给量相关计算..............................................................274.1 杆 1 加工相关计算...........................................................................274.2 杆 2 加工相关计算...........................................................................304.3 螺母相关计算...................................................................................334.4 铜螺母相关计算................