攀枝花学院毕业设计（论文）摘要=1\*ROMANI本科毕业设计（论文）CA10B后钢板弹簧吊耳加工工艺及夹具设计摘要本次设计是对后钢板弹簧吊耳零件的加工工艺规程及一些工序的专用夹具设计。后钢板弹簧吊零件的主要加工表面是平面及孔。由加工工艺原则可知，保证平面的加工精度要比保证孔的加工精度容易。所以本设计遵循先面后孔的原则。并将孔与平面的加工明确划分成粗加工和精加工阶段以保证加工精度。基准选择以后钢板弹簧吊耳大外圆端面作为粗基准，以后钢板弹簧吊耳大外圆端面与两个工艺孔作为精基准。主要加工工序安排是先以后钢板弹簧吊耳大外圆端面互为基准加工出端面，再以端面定位加工出工艺孔。在后续工序中除个别工序外均用端面和工艺孔定位加工其他孔与平面。整个加工过程均选用组合机床。关键词后钢板弹簧吊耳，加工工艺，专用夹具攀枝花学院毕业设计（论文）ABSTRACTPAGEIIABSTRACTThedesignoftheplateafterspringlugpartsoftheprocessingorderoftheprocessesandsomespecialfixturedesign.Springplateafterhangingpartsofthemainplaneofthesurfaceandpore.BytheprincipleknownProcessing,theplaneguaranteeprecisionmachiningholesthanguaranteethemachiningprecisioneasy.Sothedesignfollowsthesurfaceafterthefirstholeprinciple.Planewithholesandtheprocessingclearlydividedintoroughingandfinishingstagesofprocessingtoensureaccuracy.Afterselectingbaseplatespringluglargecylindricalfaceasaroughbenchmark,Aftertheleafspringluglargecylindricalendwithtwoholesasaprecisiontechnologybenchmarks.mainprocessesarrangementsafterthefirstspringplateluglargecylindricalfaceeachotherbenchmarksmachinedface,Endpositiontofurtherprocessingoutofholes.Inadditiontothefollow-upprocessesareindividualprocesseswithend-positioningtechnologyandotherprocessingKongandplane.Theentireprocessofprocessingmachinecombinationswereselected.KeywordsTheempresssteelplatespringcoilmournstheear,Processthecraft,Appropriationtongs攀枝花学院毕业设计（论文）目录目录TOC\o"1-3"\u摘要ⅠABSTRACTPAGEREF_Toc170348783\hII目录11绪论PAGEREF_Toc170348785\h12后钢板弹簧吊耳加工工艺规程设计PAGEREF_Toc170348786\h32.1零件的分析PAGEREF_Toc170348787\h32.1.1零件的作用PAGEREF_Toc170348788\h31.1.2零件的工艺分析PAGEREF_Toc170348789\h32.2工艺过程设计所应采取的相应措施PAGEREF_Toc170348790\h42.3后钢板弹簧吊耳加工定位基准的选择PAGEREF_Toc170348791\h42.3.1确定毛坯的制造形式PAGEREF_Toc170348792\h42.3.2粗基准的选择PAGEREF_Toc170348793\h42.3.3精基准的选择PAGEREF_Toc170348794\h52.4工艺路线的制定PAGEREF_Toc170348795\h52.4.1工艺方案一PAGEREF_Toc170348796\h52.4.2工艺方案二PAGEREF_Toc170