外文翻译--基于注塑模具钢研磨和抛光工序的自动化表面处理

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1、ShiouFJ,ChenCH(2003)Determinationofoptimalball-burnishingparametersforplasticinjectionmoldingsteel.IntJAdvManufTechnolAutomatedsurfacefinishingofplasticinjectionmoldsteelwithsphericalgrindingandballburnishingprocessesChao-ChangA.Chen·Wen-TuLiAbstractThisstudyinvestigatesthepossibilitieso

2、fautomatedsphericalgrindingandballburnishingsurfacefinishingprocessesinafreeformsurfaceplasticinjectionmoldsteelPDS5onaCNCmachiningcenter.Thedesignandmanufactureofagrindingtoolholderhasbeenaccomplishedinthisstudy.TheoptimalsurfacegrindingparametersweredeterminedusingTaguchi’sorthogonalar

3、raymethodforplasticinjectionmoldingsteelPDS5onamachiningcenter.TheoptimalsurfacegrindingparametersfortheplasticinjectionmoldsteelPDS5werethecombinationofanabrasivematerialofPAAl2O3,agrindingspeedof18000rpm,agrindingdepthof20μm,andafeedof50mm/min.ThesurfaceroughnessRaofthespecimencanbeimp

4、rovedfromabout1.60μmto0.35μmbyusingtheoptimalparametersforsurfacegrinding.SurfaceroughnessRacanbefurtherimprovedfromabout0.343μmto0.06μmbyusingtheballburnishingprocesswiththeoptimalburnishingparameters.Applyingtheoptimalsurfacegrindingandburnishingparameterssequentiallytoafine-milledfree

5、formsurfacemoldinsert,thesurfaceroughnessRaoffreeformsurfaceregiononthetestedpartcanbeimprovedfromabout2.15μmto0.07μm.KeywordsAutomatedsurfacefinishing·Ballburnishingprocess·Grindingprocess·Surfaceroughness·Taguchi’smethod1IntroductionPlasticsareimportantengineeringmaterialsduetotheirspe

6、cificcharacteristics,suchascorrosionresistance,resistancetochemicals,lowdensity,andeaseofmanufacture,andhaveincreasinglyreplacedmetalliccomponentsinindustrialapplications.Injectionmoldingisoneoftheimportantformingprocessesforplasticproducts.Thesurfacefinishqualityoftheplasticinjectionmol

7、disanessentialrequirementduetoitsdirecteffectsontheappearanceoftheplasticproduct.Finishingprocessessuchasgrinding,polishingandlappingarecommonlyusedtoimprovethesurfacefinish.Themountedgrindingtools(wheels)havebeenwidelyusedinconventionalmoldanddiefinishingindustries.Thege