2023年7月第4期«大型铸锻件»HEAVYCASTINGANDFORGINGJuly2023No.4轧机扁头套再制造技术研究与应用陈柳池樊晓刚唐历智梁天勤蒲苟中李卫东(二重(德阳)重型装备有限公司ꎬ四川德阳618000)摘要:以吉林建龙1450mm粗轧机扁头套再制造为例ꎬ从两方面着手研究ꎬ一是与焊材厂家合作开发一种药芯焊丝ꎬ用气体保护焊替代焊条电弧焊ꎻ二是自主设计一款堆焊操作机ꎬ利用PLC程序控制伺服电机ꎬ实现远距离控制焊接ꎬ操作更便利ꎬ同时解决传统人工堆焊效率低、焊接质量不稳定等问题ꎮ关键词:扁头套ꎻ药芯焊丝ꎻ堆焊操作机ꎻ再制造技术中图分类号:TG47文献标志码:AResearchandApplicationonRefabricationTechnologyforFlat ̄headCoverofRollingMillChenLiuchiꎬFanXiaogangꎬTangLizhiꎬLiangTianqinꎬPuGouzhongꎬLiWeidongAbstract:Takingtherefabricationofflat ̄headscrewcoverofJilinJianlong1450mmroughrollingmillasanexampleꎬtheresearchisperformedfromtwoaspects.Firstlyꎬakindofflux ̄coredweldingwireisdevelopedjointlywiththeweldingmaterialmanufacturerꎬadoptingthegasshieldedweldingprocessinsteadofshieledmetalarcweldingprocess.SecondlyꎬakindofsurfacingmanipulatorisdesignedindependentlyꎬcontrollingtheservomotorwithPLCprogramandrealizingtheremote ̄controlledwelding.Itiseasierinoperationandcansolvetheissuessuchaslowefficiencyoftraditionalmanualsurfacingandunstableweldingquality.Keywords:flat ̄headcov...