CA10B解放汽车中间轴轴承支架加工工艺及镗φ140孔夹具设计

0零件图

该零件上孔轴线与水平方向成5.5°的夹角，同时支架两侧板的平面与水平面成30°的夹角，两侧孔中心到顶凸台平面的距离为40mm，且每孔中心线与竖直方向成60°夹角。

一、零件的分析················································2
1、零件的作用··············································2
2、零件的结构··············································2
3、设计基准及技术关键······································2
4、主要加工表面············································2
5、零件的工艺分析·········································3
二、工艺规程的设计···········································3
1、确定毛坯的制造形式······································3
2、基准的选择·············································3
3、制定工艺路线···········································3
4、机械加工余量、工序尺寸及毛坯尺寸的确定··················4
5、切削用量及机床的确定···································5
三、零件专用夹具的设计······································7
1、设计方案的确定·········································8
2、夹紧力的分·············································9
3、导向设计············································9
4、精度的分析·············································10
四、课程设计总结··············································10
五、参考目录··················································11

一、零件的分析
1、零件的作用
题目给出的是CA10B解放牌汽车中间轴轴承支架，它的主要作用是稳定轴承，便于中间轴的安装，从零件图可知对零件的精度要求不高。
2、零件的结构
该零件上孔轴线与水平方向成5.5°的夹角，同时支架两侧板的平面与水平面成30°的夹角，两侧孔中心到顶凸台平面的距离为40mm，且每孔中心线与竖直方向成60°夹角。

V型块

工艺过程综合卡-A1

夹具体零件图

夹具体零件图1

夹具装配图

毛坯图

镗孔夹具装配图