連桿大頭孔精鏜夾具與工藝設(shè)計

1、目錄錄摘要....................................................................................................................3第一章汽車連桿加工工藝.................................................................................41.1連桿

2、的結(jié)構(gòu)特點(diǎn).........................................................................................41.2連桿的主要技術(shù)要求.................................................................................41.2.1大、小頭孔的尺寸精度、形狀精度...........

3、....................................51.2.2大、小頭孔軸心線在兩個互相垂直方向的平行度.......................51.2.3大、小頭孔中心距...........................................................................51.2.4連桿大頭孔兩端面對大頭孔中心線的垂直度....................

4、...........51.2.5大、小頭孔兩端面的技術(shù)要求.......................................................51.2.6螺栓孔的技術(shù)要求...........................................................................61.2.7有關(guān)結(jié)合面的技術(shù)要求..............................

5、.....................................61.5連桿的機(jī)械加工工藝過程分析...............................................................101.5.1工藝過程的安排.............................................................................101.5.2定位基準(zhǔn)的

6、選擇.............................................................................111.5.3確定合理的夾緊方法.....................................................................121.5.4連桿兩端面的加工.........................................

7、................................121.5.5連桿大、小頭孔的加工.................................................................121.5.6連桿螺栓孔的加工.........................................................................131.5.7連桿體與連桿蓋的銑開工

8、序.........................................................131.5.8大頭側(cè)面的加工.............................................................................131.6連桿加工工藝設(shè)計應(yīng)考慮的問題....................................................

9、.......13工序安排.......................................................................................13定位基準(zhǔn).......................................................................................13夾具使用.....................