简介：ThemaximuminternaltangentialstressisacriticalparameterforthedesignofthePDC(polycrystallinediamondcompact)diethathasbeenwidelyappliedtooffshoreoildrilling.Asimpleequationforthecalculationofthestressisproposed,andverifiedbythetestdatafromKingdreamCorp.ofChina,thelargestbitCompanyinChina.AnoptimummethodforthedesignofthePDCdieispresentedanddemonstratedindetail,andsoftwareforthedesignandFEManalysisofthedieisdevelopedonthebasisofthemethod.Thissoftwarehasbeenusedinoilindustryinrecentyears.
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