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1、中国地质大学长城学院本科毕业设计外文资料翻译系别：工程技术系专业：机械设计制造及其自动化姓名：学号：2015年2月15日Comparativeanalysisofprocessingschemeofautomobilesteeringsection Haveashapeasaprocessingmethod,allmachiningprocessfortheproductionofthemostcommonlyusedandmostimportantmethod.Machiningprocessisaprocess
2、generatedshape,inthisprocess,Driversdeviceontheworkpiecematerialtobeintheformofchipremoval.Althoughinsomeoccasions,theworkpieceundernocircumstances,theuseofmobileequipmenttotheprocessing,However,themajorityofthemachiningisnotonlysupportingtheworkpiecealsosuppor
3、tingtoolsandequipmenttocomplete. Machiningknowtheprocesshastwoaspects.Smallgroupoflow-costproduction.Forcasting,forgingandmachiningpressure,everyproductionofaspecificshapeoftheworkpiece,evenaspareparts,almosthavetospendthehighcostofprocessing.Weldingtorelyonth
4、eshapeofthestructure,toalargeextent,dependoneffectiveintheformofrawmaterials.Ingeneral,throughtheuseofexpensiveequipmentandwithoutspecialprocessingconditions,canbealmostanytypeofrawmaterials,mechanicalprocessingtoconverttherawmaterialsprocessedintothearbitrarys
5、hapeofthestructure,aslongastheexternaldimensionslargeenough,itispossible.Becauseofaproductionofspareparts,evenwhenthepartsandstructureoftheproductionbatchsizesaresuitablefortheoriginalcasting,Forgingorpressureprocessingtoproduce,butusuallyprefermachining. Stri
6、ctprecisionandgoodsurfacefinish,machiningthesecondpurposeistheestablishmentofthehighprecisionandsurfacefinishpossibleonthebasisof.Manyparts,ifanyothermeansofproductionbelongingtothelarge-scaleproduction,WellMachiningisalow-toleranceandcanmeettherequirementsofsm
7、allbatchproduction.Besides,manypartsontheproductionandprocessingofcoarseprocesstoimproveitsgeneralshapeofthesurface.Itisonlynecessaryprecisionandchooseonlythesurfacemachining.Forinstance,thread,inadditiontomechanicalprocessing,almostnootherprocessingmethodforpr
8、ocessing.Anotherexampleistheblacksmithpieceskeyholeprocessing,aswellastrainingtobeconductedimmediatelyafterthemechanicalcompletionoftheprocessing.PrimaryCuttingParameters C
