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200 mn ye ya ji ji jia de han jie zhi zuo
Author(s): 
Pages: 69-71
Year: Issue:  2
Journal: WELDING TECHNOLOGY

Keyword:  200M N液压机机架焊接裂纹焊接变形控制;
Abstract: 通过分析200 MN液压机机架的姑构特点、组焊过程中焊缝及其附近变形区域的应力分布,制定合理的组对、焊接顺序,采用有效的工艺措施,充分控制焊接残余应力集中引起的焊接变形,防止焊接裂纹等缺陷的产生,使200 MN液压机机架能在自由状态下焊接合格,符合图样及规范要求.
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