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1、毕业设计英文翻译翻译题目:机床夹具的分类与构成学生姓名:所在班级:Machineclassificationandposefixture1fixtureintheroleofmachiningWorkpiececlampingfixtureisakindofprocessequipment,itiswidelyusedinmechanicalmachiningofthemanufacturingprocess,heattreatment,assembly,weldingandtestingprocesses.Intheuseofmetal-cuttingm
2、achinetoolscollectivelyreferredtoasthejigfixture.namodernproductionmachineisanindispensablefixtureoftheprocessequipment,machiningoftheworkpiece,theprocessingrequirementsinordertoensure.Firstofalltotheworkpieceandthemachinetoolrelativetoacorrectposition,andthislocationduringprocess
3、ingdoesnotchangetheimpactofexternalforces.Tothisend,duringthepre-machining,workpiececlampingmustbegood.Therearetwowaystoclampworkpiece:oneisdirectlyclampingtheworkpieceinthemachinetableoronthechuck;Theotheristheworkpieceinthefixtureonthefixture.Thefirstmethodusedwhentheworkpiececl
4、amping,thegeneraldesignrequirementshavetopresslinesinthesurfacetodrawthesizeandlocation,clamping,orwhentheneedleiszoneddialindicatortofindisaftertheclamping.Thismethodneedspecialequipment,butlowefficiency,aregenerallyusedforone-pieceandsmallbatchproduction.Largequantities,mostlywi
5、ththeworkpiececlampingfixture.Withthemeritsoftheworkpiececlampingfixturesareasfollows:(l)Guaranteethestabilityofthemachiningaccuracyofworkpiece.Workpieceswithclampingfixture,theworkpiecerelativetothelocationoftoolandmachinetooltoensuretheaccuracyofthefixturefromthetechnicallevelof
6、workers,sothatanumberofworkpiecemachiningaccuracyoftheline.(2)Toimprovelaborproductivity.Workpiececlampingfixturecanfacilitatetheusereasily、rapidly,andtheworkpiecedoesnotneedtofindiscrossed,cansignificantlyreducethesupplementaryworkinghours,toimprovelaborproductivity;workpieceinth
7、efixtureafterthefixturetoimprovetherigidityoftheworkpiece,thuscuttingtheamountofincrease,toimprovelaborproductivity;canusemorepiecesofmulti-workpiececlampingfixture,andtheuseofefficientclampingbodies,tofurtherimprovelaborproductivity.(3)Toexpandtheuseofmachinetools.Machinetoolsing
8、eneraluseadedicatedmachinetoolfix
