摘要本次毕业设计针对车床尾座套筒工艺规程进行设计，涉及套筒的选材、确定毛坯和机械加工余量及工序尺寸与公差、拟定工艺路线、选择工艺设备；并进行切削用量和时间定额的计算，填写机械加工工艺过程卡和机械加工工序卡片。为了保证加工质量，提高生产效率，对关键工序进行夹具设计。本文对夹具的工作原理、作用、分类和组成做了简单概述；着重分析了工序特点和要求，根据结果确定定位方案，设计定位元件、夹紧机构、对刀元件和夹具体。因此，保证了加工精度和设计质量。关键词：车床尾座套筒；工艺规程设计；夹具设计；生产规划AbstractThispapercarriesonthedesigninviewofthetailstocksleevetechnologicalprocess,involvestheselectionofthesleeve,thedeterminationofsemi-finishedmaterials,themachiningallowance,theworkingproceduresizeandthecommondifference.Idrawupthesleeveroute,andchoosetheprocessunit.AndthenIcarryonthecomputationofthecuttingspecificationsandthetimenorm,nextIfillabove-mentionedresultsinmachine-finishingtechnologicalprocesscardandthemachine-finishingworkingprocedurecard.Inordertoguaranteetheprocessingqualityandenhancetheproductionefficiency,Icarryoutthejigdesigntotheessentialworkingprocedure.InthispaperIhavemadethesimpleoutlinetotheoperatingprinciple,thefunction,theclassificationandthecompositionofthejig.Ihavealsoemphaticallyanalyzedthecharacteristicandtherequestoftheworkingprocedure,determinedthelocalizationplanaccordingtotheresult,anddesignedthelocalizationpart,theclamporganization,theguidingcomponentandthejigbody.Therefore,theprocessingprecisionandthedesignqualityhavebeenguaranteed.Keywords:tailstocksleeve；Technologicalprocessdesign；Jigdesign；Productionplan目录第1章绪论.......................................................................................................................11.1车床尾座套筒加工技术现状及发展方向...............................................................11.2本课题研究的目的、意义.......................................................................................21.3课题的主要内容.......................................................................................................3第2章车床尾座套筒的机械加工工艺规程设计...............................................................52.1车床尾座套筒的工艺分析及生产类型的确定.......................................................52.1.1车床尾座套筒概述.........................................................................................52.1.2车床尾座套筒零件的技术要求.....................................................................52.1.3确定车床尾座套筒的生产类型和工艺特征分析.........................................62.2车床尾座套筒的材料和毛坯确定...........................................................................72.2.1车床尾座套筒毛坯材料、加工方法及技术要求.........................................72.2.2车床尾座套筒毛坯的尺寸公差和机械加工余量.........................................82.2.3绘制车床尾座套筒毛坯简图.........................................................................92.3拟定车床尾座套筒工艺路线...................................................................................92.3.1定位基准的选择.............................................................................................92.3.2表面加工方法的确定.....................................................................................92.3.3加工阶段的划分.............................................................................
