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本科毕业设计(论文)英语译文院(系)河北理工大学轻工学院专业机械设计制造及其自动化姓名刘卫学号200515160212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)《ManufacturingEngineeringandTechnology—Machining》机械工业出版社2004年3月第1版美s.卡尔帕基安Seropekalpakjians.r施密德StevenR.Schmid著原文
20.9MACHINABILITYThemachinabilityofamaterialusuallydefinedintermsoffourfactors:
1、Surfacefinishandintegrityofthemachinedpart;
1、Toollifeobtained;
1、Forceandpowerrequirements;
1、Chipcontrol.ThusgoodmachinabilitygoodsurfacefinishandintegritylongtoollifeandlowforceAndpowerrequirements.Asforchipcontrollongandthinstringycuredchipsifnotbrokenupcanseverelyinterferewiththecuttingoperationbybecomingentangledinthecuttingzone.Becauseofthecomplexnatureofcuttingoperationsitisdifficulttoestablishrelationshipsthatquantitativelydefinethemachinabilityofamaterial.Inmanufacturingplantstoollifeandsurfaceroughn...。