摘  要:     本文主要介绍解放牌汽车活塞销孔的加工工艺，并设计粗镗活塞销孔的组合专用机床和专用夹具。
 
关键词 :    组合专用机床、粗镗、夹具、活塞销孔
aBSTRACT：
This paper is central introduce the technology that process piston’s thole hole of JIE FANG automobile. And design the special-purpose lathe and fixture for boring the piston’s thole hole.
KEY WORD：  special-purpose lathe、boring、fixture、piston’s thole hole.
  
目   录
 
目录                                                                1
中英文摘要                                                          2
第一章   前言                                                       2
第二章   概述                                                       2
   一、  毕业论文的内容和要求                                        2
   二、  零件的工作条件和技术要求                                    2
   三、  活塞主要技术条件分析                                        3
   四、  活塞材料及毛坯的制造                                        3
   五、  活塞销孔的机械加工工艺过程的分析                            4
第三章   粗镗活塞销孔专用机床及夹具的设计                            4
   一、  夹具设计初步方案                                            4
   二、  机床初步设计                                                5
     1， 动力部件的选择                                              5
     2， 确定切削用量和选择刀具                                      5
     3， 确定切削力，切削扭矩，切削功率                              6
   三、  夹具设计的计算                                              7
     1， 原动力计算                                                  7
     2， 扳手和螺栓的选用                                            8
   四、  机床液压滑台系统的具体设计                                  9
     1， 液压缸所受的外负载                                          10
     2， 拟定液压系统原理图                                          12
     3， 液压系统的计算和选择液压元件                                15
    五、  v带轮传动的设计                                            16
     1， 确定切削功率                                                16
     2， 选取窄V带带型                                 6
    3， 确定带轮基准直径                                            16
4， 确定窄V带的基准长度和传动中心距                            6
5， 带轮上的包角α1                                             16
     6， 计算窄V带的根数Z                                          17
7， 计算预紧力F0                                               17
8， 计算作用在轴上的压轴力Q                                    17
9， 带轮结构设计                                                17
   六、  组合机床联系尺寸的确定                                      18
     1， 组合机床装料高度的确定                                      18
     2， 具体轮廓尺寸的确定                                          18
   鸣谢                                                             20
   参考文献                                                         20

机械毕业设计|论文