发动机缸盖机械加工工艺及夹具设计(含全套cad图纸)

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1、摘要汽缸盖是发动机的几大关键之一，零件尺寸较小，但结构形状复杂，有若干精度要求较高的平面和孔系。本文主要分析和设计的是汽缸盖零件的加工工艺和、专用夹具等。通过查阅各种相关书籍，分析缸盖的结构及其功能，编写了发动机缸盖零件的加工工艺；经过计算选择其切削用量、选择机床和工艺设备，设计出了专用夹具。关键词：加工工艺；发动机缸盖；专用夹具AbstractThecylindercoverisoneofseveraltoll-gatestolaunchtheenginekeysthesparepartssizeissmallerbuttheconstructionshap

2、eiscomplicatedhowmanytheaccuracyrequestthehigherflatsurfacewiththeboredepartment.Analyzeprimarilyherewithdesignofisacylindercoverthesparepartsprocessesthecraftappropriationtongsandsoon.Passtocheckeverykindofrelatedbookanalyzeconstructionanditsfunctionsofanurnofcoversweavetowriteacov

3、ersparepartsprocessthecraftPassingbythecalculationchoosesitsslicethedosageofcutchoicemachinetoolswithcraftequipmentsdesignappropriationtongs.Keywords:processingtechnic，Enginecylindercoverspecialfixture目录摘要......................................................IABSTRACT...............

4、.................................II前言.....................................................V1绪论...................................................11.1课题研究的意义及现状.................................11.2论文主要研究内容.....................................32发动机缸盖工艺设计...............................

5、.......52.1发动机缸盖的分析.....................................52.2发动机缸盖毛坯的设计.................................92.3工艺路线设计.......................................142.4加工设备及工艺装备的选择............................222.5加工工序设计........................................243钻床专用夹具设计........................

6、...............333.1问题的提出..........................................333.2机床夹具的分类......................................343.3夹具的设计内容......................................343.4钻床夹具特点…………………………………………………….403.5钻套与工件间的距离..................................403.6夹具的对刀..........................

7、................413.7夹具体的设计........................................414铣床专用夹具设计…………………………………………………….434.1铣前后面专用夹具……………………………………………..43结论....................................................46参考文献................................................47致谢......................................

8、..............48附录.