压力容器对接焊缝超声波探伤的研究

I、、、、、、、mm1~33~8V3~26U12~60X20~60K＞12、、、、。、、、。、、。。、、、。。。1。、、。、、、。。、、、。《》。2、。450052、、。。123720113202。、。。。。。、、。。。。。、。、。。。、、、、、、、。。。、、、。、、。。。。、。。°。。、。。°。141-28201132028。、、。、。。、、。。、、、。。、。。。、、。。、、、。3。。[1]《》200022-32.[2]《》2006661-63.[3]《》2007.0866-79.[4]《》198272-82.[5]《》19956-32.[6]《》200056-64.[7]2005.0522-31.[8]《》1989135-156.[9]《》JB/T4730.1~4730.6-2005200567-148.[10]..,2009.03:56-58.ApplicationDiscussionofUltrasonicTestinginPres-sureVesselButt-jointedSeamLIYaohuiInformationEngineeringCollegeofZhengzhouUniversity,Zhengzhou450052,ChinaAbstract:Thesismainlydescribesultrasonicflawdetectionprinci-ple,operationmethods,aswellastheinspectionprocessproblemsneedingattention,andgiventheworkingefficiencyoftheexistenceofartificialdetectionoflowandhighlaborintensityandlowdetectingprecisionproblem.Putsforwardpressurevesselweldintheprocessofultrasonictestingofthedesignofautomaticauxiliarydetectioninstitu-tions,toreplaceartificialoperation,improveworkefficiency,toimprovethetestingprecision.Keywords:pressurevessel,ultrasonictesting,weldedseam20103[5].[M].2006.ImprovementDesignoftheOriginalPositioningMech-anismBasedonVariableFileSlippingGearsXIONGWenweiHunanMechanicalElectricalPolytechic,Changsha,Hunan410151Abstract:CA6136SeriesIIIinthespindleheadandthetriple-axispositioningmechanismvariablefileslippinggearpositioningmechanismdesigniseasyforthepositioningofball,coilspring,coilspringpressureadjustingscrewthreadedsocketfromtheforkinthepositioningextrusion,resultinginchangesstallsforkisnotinplace,thespindlesuddenlystoppedturning,thecarDaozhaknives,partsob-solescence,brokegearandaseriesoffailures.Bypositioningthestructureoftheoriginalspringpressureadjustingscrewontheinstalla-tionofhexagonnuts,increasingthecoilspringpressureadjustingscrewandfrictiontorqueself-lockingrange,sothatthepressureadjustmentscrewspringpreloadtomeettheactualworkingconditionofthelockcapacityrequirementsImprovedmeasurestopreventoriginalstructureofaseriesoffailures,andtheeffectisgood.Keywords:Slidinggear,positioningmechanism,structuralmodi-fication,springpressureadjustmentscrews,self-locking,frictiontorque,hexagonnuts!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!14