--------------------校验:_____________--------------------日期:_____________制造技术基础复****基本概念与基本原理英语表达制造技术基础复****基本概念、onceptsProductionprocedureofmechanicalproductsProcessprocedureofmachiningElementsofProcessprocedureofmachining1sequence工序;2installation安装;3station工位;4step工步;5pass走刀Sequence:processprocedurethatconsistsofseveralsequencesduringwhichworkersoperateontheworkscontinuouslyinthesameplace;(操作者、加工地、工作对象——人为划分,相对可变)Installation:inasequenceiftheworkisrequiredtoputintopositionandclampseveraltimes,thepartofsequencedoneinonepositioningandclampingiscalledaninstallation;(确定)Station:Inaninstallation,;(确定)Step:Inonestationifthesurfacecut,cuttingtool,velocity,andfeedremainunchanged,theseworkingcontentsarethoughtofasthestep.(加工表面、***、切削速度、进给量任一改变均为另一工步)Pass:ime,suchtaskcarriedoutisnamedasthepass(***在加工表面的每一次切削)Processingsystem:asystemthatcontainstheworktobemachined,fixturethatholdstheworkintheproperposition,cuttingtoolthatmachinestheworkdirectly,-programofproduction,Q-annualturnoutoftheproductn-ponentsayear,-sharerate,-wasterate,F-annualworkingdays,A-numberofdaysforinventory,-ponentsinalotAProgramofproductionInaperiodofplanning,theturnoutofproductandscheduletobefulfillediscalledprogram.(计划期的产量加进度=生产纲领),thenumberofidenticalproductstobeputintoproductionortobeproducedistermedasbatchofproduction.(一次投入生产的同一产品的数量=生产批量)Processplanningformachiningoperations:stipulateddocumentfortechnologicalprocess(机械加工工艺规程:以工艺文件形式规定的机械加工工艺过程)PatternsoftheprocessplanningformachiningGenerallyspeaking,ontentinthreepatterns:PatternA:sheetofprocessprocedures(工艺过程卡),averysimpleandconcisedocument,usuallyforsingle/smallbatchproductionPatternB:sheetofpr
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