脉冲MIG焊参数一元化试验研究

ElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachine根据脉冲MIG焊的工艺特点，采用80C196KC控制的脉冲MIG焊机，设计了焊接工艺参数一元化的正交试验。通过正交试验获得不同送丝速度下各参数的最佳匹配组合，建立送丝速度调节一元化数据库，解决脉冲MIG参数调节复杂的问题。试验结果表明，根据一元化调节的参数进行焊接，无断弧现象发生，噪声小，焊缝质量较好，可重复性良好。脉冲MIG；正交试验；一元化TG444+.74A1001－2303(2013)07－0021-04DOI10.7512/j.issn.1001-2303.2013.07.0543720137Vol．43No．7Jul．2013ElectricWeldingMachine：2012－08－18：1986—。(兰州理工大学，甘肃兰州730050）ExperimentalresearchonsynergicparametersofpulseMIGweldingJIANGCheng-yanCHENKe-xuanCHENTaoLIShu-huiLanzhouUniversityofTechnologyLanzhou730050ChinaAbstract：AccordingtotheprocessfeaturesofpulseMIGtheorthogonaltestwithsynergicparametersbasedonthe80C196KCofpulseMIGweldingmachinewasdesigned.ThroughorthogonaltestvariouswirefeedingspeedmatchingotherparametersunderthebestcombinationwasgivenandthesynergicofwirefeedingspeedregulationdatabasewasestablishedtosolvethecomplicatedpulseMIGparametersadjustment.Thetestresultsshowthatthesynergicadjustmentaccordingtotheparametersoftheweldingwillgetgoodweldqualityandrepeatabilitywithoutbrokenarcandnoise.Keywords：pulseMIGorthogonaltestsynergic0MIGPulsedMetalInertGasWelding、、、。。MIG。[1]。CO2[2]。MIG。1SuperMIG-500MIG。1。、、、、。IGBTMIG21··ElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachine123456789AIp/A120120120140140140160160160BIb/A203040203040203040Cf/Hz405060506040604050Dψ/%10203030102020301012(7～9)4～6(1~37～94～61～331#2#6#7#3#8#9#4#5#。、。80C196KC、、A/D、PI、。PWMUC3846PWMIGBT。[3]。22.1、[4]。MIG。MIG。、、MIGIpIbTpf=1/T[5]。。。4．0mmQ235φ1.2mm15L/min。φ1.2mm、3.0m/min、、。1。2.21。。2。、、3。2.3、、、14322··ElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachinev/m·min-13.04.05.06.07.08.09.010.0AIp/A120220270300320340380420BIb/A2040302020304060Cf/Hz4080608080803050Dψ/%20202030304060605φ1.2mmMIG1。2。。。3。。。。80Hz。4。50%[6]。120A、20A、40Hz、20%4。120A1#、2#20%2#、6#、7#。1#、2#7#、、。2#。2#。。2.4、、、、φ1.2mm5。。24．0mmQ235φ1.2mm15L/min3.0m/minii123456789k1jk2jk3jk1jk2jk3jRjAIp/A1201201201401401401601601602312197.74.06.311BIb/A2030402030402030401917186.35.76.02.0Cf/Hz4050605060406040502117167.05.75.35.0Dψ/%10203030102020301015241558594896327865IpψfIbIp=120AIb=20Af=40Hzψ=20%：kij=jikij=kij/ssjikijji。Rj=Max{kij}-Min{kij}Rjj。Page56MIG723··ElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachineElectricWeldingMachine。8、、、。、、、、、。：[1].[J].201064-72.[2].[D].2009.[3].[J].2010304280-283.[4].[J].2007345733-735.[5].[J].2005256365-368.[6].[J].2005293251-254.[7]IIAVARASANPMMOLIANPA.Lasercuttingofthicksectionedsteelsusinggasflowimpingementontheerosionfront[J].JournalofLaserApplications199574199-209.[8]HULLRJLANDERMLERICJJ.Experimentsinlasercuttingofthicksteelsectionsusinga100kWCO2laser[C].ICALEO’20002000B8978-86.[9]MOLIANPA.Dual-beamCO2lasercuttingofthickmetallicmaterials[J].J.MaterSci19932871738-1748.[10]GEIGERMSCHUBERTHSHUTFLESSJ.CO2laserbeamsawingofthicksheetmetalwithadaptiveoptics[J].