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外文译文院（系）机电工程学院专业机械设计制造及其自动化姓名学号ZJD02043指导教师评语签名年月日外语文献翻译摘自制造工程与技术（机加工）（英文版）MANUFACTURINGENGINEERINGANDTECHNOLOGYMACHINING机械工业出版社2004年3月第1版页564560P美S卡尔帕基安SEROPEKALPAKJIANSR施密德STEVENRSCHMID著原文209MACHINABILITYTHEMACHINABILITYOFAMATERIALUSUALLYDEFINEDINTERMSOFFOURFACTORS1、SURFACEFINISHANDINTEGRITYOFTHEMACHINEDPART；2、TOOLLIFEOBTAINED；3、FORCEANDPOWERREQUIREMENTS；4、CHIPCONTROLTHUS,GOODMACHINABILITYGOODSURFACEFINISHANDINTEGRITY,LONGTOOLLIFE,ANDLOWFORCEANDPOWERREQUIREMENTSASFORCHIPCONTROL,LONGANDTHINSTRINGYCUREDCHIPS,IFNOTBROKENUP,CANSEVERELYINTERFEREWITHTHECUTTINGOPERATIONBYBECOMINGENTANGLEDINTHECUTTINGZONEBECAUSEOFTHECOMPLEXNATUREOFCUTTINGOPERATIONS,ITISDIFFICULTTOESTABLISHRELATIONSHIPSTHATQUANTITATIVELYDEFINETHEMACHINABILITYOFAMATERIALINMANUFACTURINGPLANTS,TOOLLIFEANDSURFACEROUGHNESSAREGENERALLYCONSIDEREDTOBETHEMOSTIMPORTANTFACTORSINMACHINABILITYALTHOUGHNOTUSEDMUCHANYMORE,APPROXIMATEMACHINABILITYRATINGSAREAVAILABLEINTHEEXAMPLEBELOW2091MACHINABILITYOFSTEELSBECAUSESTEELSAREAMONGTHEMOSTIMPORTAN
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