机电工程技术2025，Vol.54Issue(19)：14-18,5.DOI:10.3969/j.issn.1009-9492.2025.19.003
激光熔覆在钢板生产线关键部件修复再制造中的应用与效果分析
Application and Effect Analysis of Laser Cladding in the Repair and Re-manufacturing of Steel Plate Production Line Key Parts
摘要
Abstract
Wear and oxide buildup,known as nodulation,on the surface of key components of the steel plate production line,such as furnace rolls and roll rings in hot strip rolling mills frequently necessitate their replacement,which increases production costs and reduces efficiency.To address this issue,laser cladding technology is investigated for the repair and remanufacturing of these critical parts.After considering the base material of the components and their specific service conditions,the cladding powder is optimized,and a nickel-based alloy powder blended with 20%spherical WC metal-ceramic composite powder is developed.A 10 kW CO2 five-axis four-linkage laser processing system is used,along with optimized process parameters,to perform the laser cladding.The microstructure,microhardness,high-temperature tribological properties,and thermal shock resistance of the resulting cladding layer are systematically evaluated.The results show that the cladding layer exhibits a distinct,dense dendritic microstructure.Its microhardness is significantly higher than that of the substrate,and its high-temperature wear resistance and thermal shock resistance are also markedly improved.Laser cladding technology is shown to be effective not only for the repair and remanufacturing of furnace rolls and roll rings,but also for the manufacturing of new components,thereby greatly enhancing their surface performance.关键词
激光熔覆/修复/再制造/镍基合金/炉辊/辊环Key words
laser cladding/repair/re-manufacturing/nickel base alloy/furnace roller/roll ring分类
信息技术与安全科学引用本文复制引用
乐有树,李运初,高海青..激光熔覆在钢板生产线关键部件修复再制造中的应用与效果分析[J].机电工程技术,2025,54(19):14-18,5.基金项目
国家科技型中小企业技术创新基金项目(10C26214404738) （10C26214404738）
广东省高等学校特色创新项目(2018KTSCX345) （2018KTSCX345）
广东开放大学重点科研项目(ZD1903) （ZD1903）
