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1、攀枝花學(xué)院本科畢業(yè)設(shè)計(jì)(論文)CA6140車床后托架加工工藝及夾具設(shè)計(jì)學(xué)生姓名:學(xué)生學(xué)號(hào):院(系):機(jī)電工程學(xué)院年級(jí)專業(yè):指導(dǎo)教師:二六年六月攀枝花學(xué)院本科畢業(yè)設(shè)計(jì)(論文)摘要I摘要機(jī)械加工工藝是實(shí)現(xiàn)產(chǎn)品設(shè)計(jì),保證產(chǎn)品質(zhì)量,節(jié)約能源,降低消耗的重要手段。本課題研究CA6140車床后托架加工工藝規(guī)程。首先通過對(duì)零件圖的分析,了解工件的結(jié)構(gòu)形式,明確了具體的技術(shù)要求,從而對(duì)工件各組成表面選擇合適的加工方法。再擬訂較為合理的工藝規(guī)程,充分體現(xiàn)質(zhì)量、生產(chǎn)率和經(jīng)濟(jì)性的統(tǒng)一。機(jī)床夾具設(shè)計(jì)是工藝裝備設(shè)計(jì)中的一個(gè)重要組成部分,在整個(gè)機(jī)械加工過程中,夾具除了夾緊、固定被加工零件外,還要求保證加工零件的位置精度、
2、提高加工生產(chǎn)率。本課題在設(shè)計(jì)的過程當(dāng)中,深入生產(chǎn)實(shí)際,進(jìn)行調(diào)查研究,吸取國內(nèi)外先進(jìn)技術(shù),制定出合理的設(shè)計(jì)方案,在進(jìn)行具體設(shè)計(jì)。關(guān)鍵詞產(chǎn)品設(shè)計(jì),后托架,加工工藝,夾具攀枝花學(xué)院本科畢業(yè)設(shè)計(jì)(論文)ABSTRACTIIABSTRACTHemachine-finishingcraftrealizestheproductdesign,guaranteedtheproductquality,savestheenergy,reducestheconsumptiontheimportantmethod.AfterthistopicstudiestheCA6140lathethebracketprocessi
3、ngtechnologicalprocess.Firstthroughtothedetaildrawinganalysis,understoodtheworkpiecethestructuralstyle,hasbeenclearabouttheconcretespecification,thustoworkpieceeachcompositionsurfacechoiceappropriateprocessingmethod.Againdraftsthemorereasonabletechnologicalprocess,fullymanifeststhequality,theproduct
4、ivityandtheefficientunification.Enginebedjigdesignisinacraftequipmentdesignimportantconstituent,intheentiremachine-finishingprocess,thejigexceptclamps,fixesisprocessedoutsidethecomponents,butalsorequestsguaranteeprocessingcomponentspositionprecision,enhancementprocessingproductivity.Thistopicinthemi
5、ddleofthedesignprocess,penetratestheproductionreality,conductstheinvestigationandstudy,absorbsthedomesticandforeignadvancedtechnologies,formulatesthereasonabledesignproposal,iscarryingontheconcretedesign.Keywordsshifttheproductdesign,latterbracket,processingcraft,jig攀枝花學(xué)院本科畢業(yè)設(shè)計(jì)(論文)目錄1目錄摘要ABSTRACT第一章
6、CA6140車床后托架的加工工藝設(shè)計(jì).31CA6140車床后托架的結(jié)構(gòu)特點(diǎn)和技術(shù)要求.32CA6140車床后托架的材料、毛坯和熱處理.32.1毛坯材料及熱處理.32.2毛坯的結(jié)構(gòu)確定.43工藝過程設(shè)計(jì)中應(yīng)考慮的主要問題.43.1加工方法選擇的原則.43.2加工階段的劃分.43.3工序的合理組合.53.4加工順序的安排.54CA6140車床后托架的機(jī)械加工工藝過程分析.64.1CA6140車床后托架零件圖分析.64.2CA6140車床后托架的加工工藝的路線.75CA6140車床后托架的工序設(shè)計(jì).125.1工序基準(zhǔn)的選擇.125.2工序尺寸的確定.125.3加工余量的確定.145.4確定各工序的加工設(shè)備和工藝裝備.155.5確定切削用量及工時(shí)定額.16第二章專用夾具設(shè)計(jì).261銑平面夾具設(shè)計(jì).261.1研究原始質(zhì)料.261.2定位基準(zhǔn)的選擇.261.3切削力及夾緊分析計(jì)算.261.4誤差分析與計(jì)算.271.5夾具設(shè)計(jì)及操作的簡(jiǎn)要說明.282鉆三杠孔夾具設(shè)計(jì).282.1研究原始質(zhì)料.282.2定位基準(zhǔn)的選擇.292.3切削力及夾緊力的計(jì)算.292.4誤差分析與計(jì)算.302.5夾具設(shè)計(jì)及操作的簡(jiǎn)要說明.313.鉆底孔夾具設(shè)計(jì).313.1研究原始質(zhì)料.313.2定位基準(zhǔn)的選擇.313.3切削力及夾緊力的計(jì)算.313.4誤差分析與計(jì)算.323.5夾具設(shè)計(jì)及操作的簡(jiǎn)要說明.33結(jié)論.34