H:\精品资料\建筑精品网原稿ok（删除公文）\建筑精品网5未上传百度XXXX大学毕业设计说明书毕业设计题目:CA6140床头箱I轴加工工艺及花键夹具刀具设计系机电工程系专业班级07机制3班姓名学号指导教师4月8号摘要本次毕业设计的内容是设计CA6140床头箱主轴的加工工艺、夹具及铣刀的设计。轴是机器中的重要零件,有支持旋转等作用。而该轴也是CA6140中的重要零件之一,其的主要作用是经过皮带和带轮传递动力,该轴的主要工况是承受弯矩、扭矩和变形等,因此容易疲劳断裂,容易扭断、弯曲变形等。因此在设计工艺时需考虑到以上的工况情况,提高该轴的综合性能。因该轴的加工过程还需设计专用夹具,本次设计加工该轴的Φ38g6花键的夹具,在设计专用夹具时,不但要考虑到加工花键的表面粗糙度和位置度的要求,还需要考虑到提高效率、降低成本、降低劳动强度等等。同时本次设计还有对加工Φ38g6花键的精铣铣刀进行设计,在设计此铣刀时,主要考虑加工花键的制造精度、轴心线的径向跳动允许误差和不等分累积误差等。关键词:轴、工艺、夹具、花键铣刀。AbstractThegraduationdesignofthecontentsoftheboxdesignCA6140spindlebedprocessing,millingandfixturedesign.-Axismachineistheimportantparts,suchasarotatingsupportrole.TheshaftistheCA6140oneoftheimportantparts,themainroleistopassabeltandpulleytransmissionpower,Themainaxisofthestatetobearmoment,torqueanddeformationand,therefore,pronetofatiguefractureeasilytranstensional,bendingdeformation.Sointhedesignprocesstobeconsideredwhentheaboveconditions,enhancetheperformanceoftheshaft.Astheaxismachiningprocessneededspecialfixturedesign,thedesignoftheprocessingtimeoftheAxisofΦ38g6spentcrucialfixture.inthedesignofspecialfixture,notonlytotakeintoaccounttheprocessingsplinesurfaceroughnessandlocationoftherequest,itisalsonecessarytoconsiderthatincreaseefficiencyandreducecost,reducelaborintensity,andsoon.Inaddition,thedesignshavetospendprocessingΦ38g6bondprecisionmillingcutterdesign,thedesignofthiscutter,themainconsiderationprocessingsplinemanufacturingprecision,theradialaxisbeatingtolerancesandrangeshoursaccumulatederror.Keywords:Shaf;Crafts;Fixture;Splinemilling目录TOC\o"1-3"\h\z\uHYPERLINK\l"_Toc"摘要PAGEREF_Toc\hIHYPERLINK\l"_Toc"序言PAGEREF_Toc\h1HYPERLINK\l"_Toc"绪论PAGEREF_Toc\h2HYPERLINK\l"_Toc"第一章加工工艺规程的制订PAGEREF_Toc\h3HYPERLINK\l"_Toc"1.1.课题简介PAGEREF_Toc\h3HYPERLINK\l"_Toc"1.2、零件的分析PAGEREF_Toc\h3HYPERLINK\l"_Toc"1.2.1零件的功用PAGEREF_Toc\h3HYPERLINK\l"_Toc"1.2.2计算生产纲领,确定生产类型PAGEREF_Toc\h3HYPERLINK\l"_Toc"1.2.3零件的