高强度钢薄厚板对焊焊接变形的预防及控制技术已成为移动式起重机制造业的一种核心技术。本文通过从薄厚板对焊焊接现状及存在问题出发,对组件设计、焊接工艺参数、焊接顺序及反变形辅助装备进行了深入分析,同时通过相关改进措施的推进实施,提升了薄厚板对焊组件制造精度,提升了新型起重机整机使用性能及客户满意度。 Prevention and control of high-strength steel plate butt welding deformation prevention and control technology has become a core technology of mobile crane manufacturing industry. In this paper, based on the current situation and existing problems of butt welding of thin and thick plate, the paper deeply analyzes the component design, welding process parameters, welding sequence and anti-deformation auxiliary equipment. At the same time, through the implementation of relevant improvement measures, Manufacturing precision, improve the performance of the new cranes and customer satisfaction.