机械外文翻译-材料的可机加工性(中英文对照).doc

文档介绍：ThemachinabilityofmaterialThemachinabilityofamaterialusuallydefinedintermsoffourfactors:(1).Surfacefinishandintegrityofthemachinedpart;(2).Toollifeobtained;(3).Forceandpowerrequirements;(4).,goodmachinabilitygoodsurfacefinishandintegrity,longtoollife,,longandthin(stringy)curedchips,ifnotbrokenup,,,,,-calledfree-(second-phaseparticles),,thechipsproducedbreakupeasilyandaresmall;,shape,distribution,,whicharebothchemicallysimilartosulfur,,,withbuilt-,-resulfurizedgradesofsteel,,copper,,therefore,leadactsasasolidlubricantandissmearedoverthetool-chipinterfacedurin