文档介绍：! !"#$%&'() !*+,-./012*+":;4<= ">?***@ABCDEFGH9:;4 OPQR/08ST#UVW) !******@Y-./02<Z[\]^ _`4abcdefg42<#bchi8fg, !fg4j?bcfgk$lmb c8nOop4q!fgk$rsbc8) tu,) <=vwxbcyz{8) < =4|}~8 !"#,$%8|}v &'(4denu8)*4|})?***@A8+n,,-n,vwx).8n,4 / !014j2 /34$58 !014j? !67889:fg4;)*k$<bc 8=>"?@$%-AYBC-AD*+<=EFNG8HI8J4Kv LM4wxNO)}8 K014|}PJ(8QRiSYnO J4T)*NU8' V,W-.vaX+) 4Y<Z['V\]v^M_/08?@`G1yav j?$58bc4`d/0nOefv "#$%'(g) !g-./0 !"#$%153893706 ABSTRACT A specialized main specialized course that " mechanical manufacturing engineeringisstudied"ismachinery,relymainlyonstudyingmachiningtechnology andjigtodesigntechnologicaldiscipline,haveverystrongpracticality,require thatshouldcontactproductionpracticescloselyinthelearningprocess,atthesame time it prehensive the very strong one, ThesubjectofthisgraduationprojectisthatCA6140latheringflangeprocessing technologyrulesandspecial-purposejigofacertainprocessaredesigned,themain content is as follows: Firstofall,analyse,itismainlyanalysisofthefunctionofthepartand craftanalysistothepart,throughpartanalysecanfindoutaboutbasicsituation ofpart,andcraftanalysemayknowtheprocessingsurfaceofthepartandisitrequire ,confirm the manufacture form of the blank and sureness of the size. Thesecondstep,carryonthechoicethebase,confirmthickdatumandprecise ,makethecraftroute, usually make the craft route of more than two kinds, with analysing through the comparisonofthecraftscheme,andthenchoosingbeabletomakesuchspecification requirementsastheprecisionofgeometryform,sizeofthepartandprecisionof position ,etc. get a kind of process of the rational assurance s. Thethirdstep,accordingtothealreadyselectedprocessroute,confirmforevery stepsofcuttingconsumptionandbasicman-hour,choosesuitablelatheandcutter. To rough machining , will check the power of the lathe . Finally,designthethirdprocess-thejiggettingintotheholeofthering