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