By analysing welding deformation of hydraulic support back pitman,finds the exsiting problems,puts forward new process plans to ensure welding quality of structure,raise production efficiency.

• 通过对液压支架后连杆底板焊接弯曲变形的分析,找出了问题所在,提出新的工艺方案,保证了结构件的焊接质量,提高了生产效率。