Research on Influence Model and Influence Factors of Welding Quality of Continuous Annealing Units

doi:10.3969/j.issn.1004-132X.2022.15.014

China Mechanical Engineering ›› 2022, Vol. 33 ›› Issue (15): 1876-1881.DOI: 10.3969/j.issn.1004-132X.2022.15.014

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Research on Influence Model and Influence Factors of Welding Quality of Continuous Annealing Units

ZHANG Wenjun1;ZHANG Yandong1;LIN Wei1;ZHAI Qianjun1;BAI Zhenhua1，2

1.National Engineering Research Center for Equipment and Technology of Cold Strip Rolling，Yanshan University，Qinhuangdao，Hebei，066004
2.State Key Laboratory of Metastable Materials Science and Technology，Yanshan University，Qinhuangdao，Hebei，066004

Online:2022-08-10 Published:2022-09-01

连退机组焊接质量影响模型及其影响因素的研究

张文军1;张燕东1;林威1;翟乾俊1;白振华1，2

1.燕山大学国家冷轧板带装备及工艺工程技术研究中心，秦皇岛，066004
2.燕山大学亚稳材料制备技术与科学国家重点实验室，秦皇岛，066004

通讯作者: 白振华（通信作者），男，1975年生，教授、博士研究生导师。研究方向为高品质板带质量智能综合控制。E-mail：bai_zhenhua@aliyun.com。
作者简介:张文军，男，1992年生，博士研究生。研究方向为轧钢设备与工艺、带钢焊接质量控制。E-mail：320255164@qq.com。
基金资助:
中央引导地方科技发展资金项目（206Z1004G）；唐山市科技计划（20140209C）

Abstract

Abstract: During the welding processes of strip steel welding machine of continuous annealing units， there were problems that welding parameters might not be optimized and technicians might not quantitatively analyzed the welding quality. Based on the analyses of comprehensive influence model of the welding quality， taking full account of equipment and technology characteristics of welding machine of continuous annealing units， the typical specifications of strip steel were selected， and the factors that affected welding quality such as the pressure of roller， the pressure of welding machine， the welding current， the overlap amount， and the welding speed were quantitatively analyzed. Adjusting the above factors， the comprehensive objective function value of welding quality was controlled within a certain range， and then the floating range of welding parameters was obtained. Based on the field verification and analysis of optimal welding technology parameters， the quality requirements of the strip steel welding of the factory were satisfied. At the same time， the comprehensive impact model of welding quality of the continuous annealing units was applied to the practical production of a domestic continuous annealing unit welding machine， and the corresponding software was developed， which improves the strip production efficiency and finished product prediction accuracy of welding quality of strip steels.

Key words: , continuous annealing unit, strip welding, influence factor, influence model, narrow lap welder

摘要： 针对连退机组焊机焊接带钢过程中焊接参数无法完成优化配置、技术人员无法定量分析焊接质量的问题，考虑连退机组焊机的设备与工艺特点，在分析焊接质量综合影响模型的基础上，选择典型规格带钢，对碾压轮压力、焊机压力、焊接电流、搭接量、焊接速度等影响焊接质量的因素进行了定量分析。通过调整上述因素，使焊接质量综合目标函数值控制在一定范围内，进而获得焊接参数的浮动范围，并根据最优焊接工艺参数进行现场验证，满足了工厂带钢焊接质量需求。同时，将该连退机组焊接质量综合影响模型应用于国内某连退机组焊机实践生产，开发了相应软件，提高了机组的带钢生产效率与成品带钢的焊接质量预报精度。

关键词: 连退机组, 带钢焊接, 影响因素, 影响模型, 窄搭接焊机

CLC Number:

TG44

ZHANG Wenjun, ZHANG Yandong, LIN Wei, ZHAI Qianjun, BAI Zhenhua, . Research on Influence Model and Influence Factors of Welding Quality of Continuous Annealing Units[J]. China Mechanical Engineering, 2022, 33(15): 1876-1881.

张文军, 张燕东, 林威, 翟乾俊, 白振华, . 连退机组焊接质量影响模型及其影响因素的研究[J]. 中国机械工程, 2022, 33(15): 1876-1881.

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Research on Influence Model and Influence Factors of Welding Quality of Continuous Annealing Units

连退机组焊接质量影响模型及其影响因素的研究

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