GG50气缸盖机械加工工艺及粗铣前端面夹具设计兰州理工大学（论文）PAGE\*MERGEFORMATVIPAGE\*MERGEFORMATVGG50气缸盖机械加工工艺及粗铣前面工序夹具设计摘要气缸盖设计的好坏，直接影响发动机的动力、经济性和稳定性。本课题以GG50气缸盖为研究对象，分析了GG50气缸盖零件的作用和加工工艺，编排了汽缸盖机械加工工序、制作工序卡片并设计了粗铣前端面这一工序的夹具。在本次设计的过程中，清楚地认识GG50汽缸盖的结构以及其功用，采用最经济的办法达到所要求的生产纲领，做到技术上先进，经济上合格，并本着满足使用过程中工件的稳定性和可靠性和有足够的承载或夹持力度来保证工件的施工过程两大原则设计了夹具。总的来说，本文对汽缸盖零件进行了工艺设计和夹具设计。在整个设计过程中有这样的认识：合理的工艺路线的制定，是保证加工质量和经济性的关键：合理的夹具设计可以缩短辅助时间，提高劳动生产率，保证加工精度。关键词：GG50汽缸盖；工序；夹具；铣;机械加工工艺TheDesignofProcessPlanandFixtureforMillingSideforTheGG50CylinderHeadAbstractThatthedesignofcylinderheadisgoodorbaddirectlyaffecttheengine’spowerperformance,economyandreliability.ThistopictakesGG50cylinderheadastheresearchobject,analyzestheaffectandprocessingtechnologyofGG50cylinderhead,makemachiningprocesses,processCARDSanddesignafixtureofroughmillendface.Intheprocessofthedesign,IunderstandtheGG50cylinderhead’sstructureandfunction,usethemosteconomicalwaytoachievetherequiredproductionplatform,makesuretechnicallyadvancedandeconomically.Thispaper,intheprocessoffixture,ensurethetwoprinciplesthatmeetthestabilityandreliabilityoftheworkpieceandhaveenoughcarryingorholdingtoensuretheconstructionprocessofworkpiecetodesign.Ingeneral,thispaperdesigntheprocessplanandfixtureofcylindercover.Throughoutthedesignprocesstohavesuchunderstanding:theestablishmentofreasonabletechnologyrouteisthekeytoensuremachiningqualityandefficiency,reasonablefixturedesigncanshortentheauxiliarytime,improvelaborproductivity,ensurethemachiningaccuracy.Keywords:GG17Cylinder-head;process;fixturedesign;milling;Mechanicalprocessingtechnology目录TOC\o"1-3"\h\z\uHYPERLINK\l"_Toc390460030"引言PAGEREF_Toc390460030\h1HYPERLINK\l"_Toc390460031"第1章绪论PAGEREF_Toc390460031\h2HYPERLINK\l"_Toc390460032"1.1本课题的研究意义PAGEREF_Toc390460032\h2HYPERLINK\l"_Toc390460033"1.2本课题的研究现状PAGEREF_Toc390460033\h2HYPERLINK\l"_Toc390460034"1.3本课题的发展趋势PAGEREF_Toc390460034\h2HYPERLINK\l"_Toc390460035"第2