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1、本科畢業(yè)設(shè)計(jì)(論文)題目:軸類(lèi)零件的數(shù)控加工工藝設(shè)計(jì)與編程系別:機(jī)電信息系專(zhuān)業(yè):機(jī)械設(shè)計(jì)制造及其自動(dòng)化班級(jí):學(xué)生:學(xué)號(hào):指導(dǎo)教師:2013年5月本科畢業(yè)設(shè)計(jì)(論文)題目:軸類(lèi)零件的數(shù)控加工工藝設(shè)計(jì)與編程系別:機(jī)電信息系專(zhuān)業(yè):機(jī)械設(shè)計(jì)制造及其自動(dòng)化班級(jí):學(xué)生:學(xué)號(hào):指導(dǎo)教師:2013年5月I軸類(lèi)零件的數(shù)控加工工藝與編程摘要本次設(shè)計(jì)是根據(jù)被加工軸的技術(shù)要求和年生產(chǎn)量,進(jìn)行機(jī)械加工工藝設(shè)計(jì),然后運(yùn)用夾具設(shè)計(jì)的基本原理和方法,擬定夾具設(shè)計(jì)方案,完成夾具結(jié)構(gòu)設(shè)計(jì)。主要工作包括繪制毛坯圖、零件圖、夾具總的設(shè)計(jì)圖。了解零件的結(jié)構(gòu)特點(diǎn)和技術(shù)要求;根據(jù)生產(chǎn)類(lèi)型和生產(chǎn)條件,對(duì)零件進(jìn)行結(jié)構(gòu)分析和工藝分析;確定毛坯的
2、種類(lèi)及制造方法;擬定零件的加工工藝規(guī)程;選擇各工序的加工設(shè)備和工藝設(shè)備,確定各工序的加工余量和工序尺寸,計(jì)算各工序的切削用量額定工時(shí);填寫(xiě)加工工藝過(guò)程卡片、機(jī)械加工工序卡片等工藝卡片;設(shè)計(jì)制定選定的加工工序的專(zhuān)用夾具,繪制裝配總圖和主要零件圖。關(guān)鍵詞:軸;加工工藝;夾具;編程IIAxialpartsofNumericalControlMachiningProcessPlanningandProgrammingAbstractThedesignisbasedontheshaftbyprocessingtechnicalrequirementsandproduction,machiningproc
3、essdesign,thenuseoffixturedesignofthebasicprinciplesandmethods,formulatefixturedesign,completiontongsstructuredesign.Themainworkofdrawingablankdrawing,general,fixturedesign,understandingofthestructurecharacteristicsofthesparepartsandtechnicalrequirements;accordingtothetypeofproductionandproductionco
4、nditions,partsoftheanalysisofstructureandprocess;Theroughdeterminethetypeandmethodofmanufacture;makepartsoftheprocessingorderoftheprocesses;selectionofequipmentandprocessingequipment,todeterminetheprocessofmachiningallowanceandprocessdimensions,calculationoftheprocessofcuttingamountandindustrialdesi
5、gnnorm;Fillinmachiningprocesscard,machiningprocesscardandprocesscard;designofselectedprocessingproceduresforthefixture,drawingassemblyassemblydrawingandthemainpartsofthemap.KeyWords:shaft;processing;technology;fixture;programmingIII符號(hào)表jT機(jī)動(dòng)時(shí)間ft輔助時(shí)間jt基本時(shí)間切削速度pa背吃刀量f進(jìn)給量i進(jìn)給次數(shù)n機(jī)床主軸轉(zhuǎn)速l切削加工長(zhǎng)度1l刀具切入長(zhǎng)度2l刀具切出長(zhǎng)度L刀具或工作臺(tái)行程長(zhǎng)度d工件刀具直徑