简介:摘要:随着中国焊接技术的快速发展和产品质量要求的不断提高,TIG-MAG双弧焊接技术备受关注。本文对比了单一MAG焊接、TIG-MAG复合焊接和MAG-TIG复合焊接三种方法,并针对Q345-B低合金高强度钢进行了实验研究。实验结果显示,采用MAG-TIG复合焊接后,焊接宽度和熔池宽度均有所增加;采用TIG-MAG复合焊接后,焊缝余高和焊缝熔化厚度均有所增加;而采用TIG-MAG双弧焊接后,焊接余高和焊接熔化厚度均有所增加。这些结果对于进一步优化焊接工艺具有重要意义。
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简介:Weldpoolcontainssignificantinformationabouttheweldingprocess.TheweldpoolimagesofMAGweldingaredetectedbyLaserStrobesystem.AnalgorithmforextractingweldpooledgeisproposedaccordingtothecharacteristicsofMAGweldpoolimages.Themaximumweldpoollengthandwidtharecalculated.ThemeasurementdatacanbeusedtoverifytheresultsofweldingprocesssimulationandtoprovideagoodfoundationforautomaticcontrolofMAGweldingprocess.
简介:本文详细地论述了高效MIG/MAG焊工艺方法的新发展,重点介绍了T.I.M.E、双丝并联、双丝串列电弧MIG/MAG高效焊接法的工作原理、工艺特点和优点,系统阐明了新型高效MIG/MAG焊设备完整的配置及各种自动化焊接工艺的解决方案,列举了各种接头典型的焊接工艺参数和成功的应用实例。
简介:InhighspeedMAGweldingprocess,someweldformationdefectsmaybeencountered.Togetgoodweldquality,thecriticalweldingspeedbeyondwhichhumpingorundercuttingweldbeadcanoccurmustbeknownfordifferentconditions.Inthisresearch,highspeedMAGweldingtestswerecarriedouttocheckouttheeffectsofdifferentfactorsonthecriticalweldingspeed.ThroughobservingtheweldbeadprofilesandthemacrographsofthetransversesectionsofMAGwelds,theoccurrencetendencyofhumpingweldwasanalyzed,andthevaluesofcriticalweldingspeedweredeterminedunderdifferentlevelsofweldingcurrentorvoltage,andtheeffectofshieldinggascompositionsonthecriticalweldingspeedwasalsoinvestigated.