长输管道用纤维素焊条工艺性评价

ElectricWeldingMachine。、、。、、、Σn(Us)Σn(Is)。TG422．1A1001－2303(2010)03－0064－0440320103Vol．40No．3Mar．2010ElectricWeldingMachine(030024)OperationalbehaviorassessmentofcelluloseelectrodeforpipelineweldingZHOUZengLIUHai-yunWANGZhi-ming(CollegeofMaterialsScienceandEngineering，TaiyuanUniversityofTechnologyTaiyuan030024China)Abstract：Therearecloserelationshipbetweenoperationalbehaviorofweldingmaterialanddroplettransferandelectricparameters．Inordertoquantitiesassessmentofoperationalbehaviorfortheweldingmaterialthetraditionalassessmentofoperationalbehaviormethodsiscarriedoutthedroplettransfermodeandtheweldingelectricparametersofthefourkindsofcelluloseelectrodehasbeentestedandanalyzedbyusingthehigh-speedphotographyequipmentandtheAnalysatorHannovethemethodforquantitiesassessmentoftheoperationalbehaviorofcelluloseelectrodealsohasbeenstudied．Theresultshowsthatthemetaltransfermodesofcelluloseelectrodeareshort-circuittransferspraytransferanexplosiontransfertheproportionofspraytransferreflectoperationalbehavioroffourelectrode．Theshort-circuittransferelectricparametersΣn(Us)andΣn(Is)whichcanindirectlycharacterizetheproportionofspraytransfercanbeusedforassessingtheoperationalbehaviorofthecelluloseelectrode．Keywords：celluloseelectrode；droplettransfer；operationalbehavior：2009－10－09：2010－02－01：(1978—)。0。[1][2]。。、、[3]。、。。1Foxcel(HT－1)、Fleetweld5P(HT－2)、Celwel－60(HT－3)、(HT－4)φ4mm。。LBS－161000／sφ100mm、10mm、450mmQ235。64··ElectricWeldingMachine1HT－1HT－2HT－3HT－4HA－－4E350mm×150mm×10mmQ235。KaierdaZXG－300120～150A22～35V。22．1、、、、、、1。HT－1、、、、。HT－4、、、、。1HT－1HT－2HT－3HT－4。2．2[3]、。、、。1a1c1b1d。。aHT－3bHT－2cHT－1dHT－31HT－1。HT－4365··ElectricWeldingMachine2aHT－1bHT－2cHT－3dHT－4。HT－2、HT－3HT－1HT－4。2．32。210V300A[4]3～10V。。HT－14／sHT－415／sHT－2HT－3HT－1HT－4。。2．43。3a。10V25V。HT－14066··ElectricWeldingMachineab3HT－4HT－2HT－3HT－1HT－4。3bHT－1HT－4HT－2HT－3HT－1HT－4。3[3]、、。。10VΣn(Us)。Σn(Us)。HT－1Σn(Us)＝0．7912％HT－2Σn(Us)＝1．8445％HT－3Σn(Us)＝2．1382％HT－4Σn(Us)＝8．4734％。Σn(Is)。HT－1Σn(Is)＝0．2989％449．219AHT－2Σn(Is)＝0．3246％453．125AHT－3Σn(Is)＝0．3717％478．516AHT－4Σn(Is)＝1．5704％486．328A。。。4(1)、。(2)Σn(Us)Σn(Is)Σn(Us)Σn(Is)。[1]DRehfeldt．[J]．200636(11)11－19．[2]．[J]．200636(9)43－45．[3]．[J]．200021(2)51－54．[4]RehfeldtDBollmannA．UsingStatisticalSignalAnalysisforAnalyzingandMonitoringGMAW－Processes[C]．BeijingProceedingsoftheSymposiumonStrategyofWeldingResearchin2000andPossibleAspectsofChina－GermanyCooperation199110－25．367··