The study and experiment on the repair of roller journal CO_2 shield welding with proper welding technics has been done by us.
用CO_2气体保护焊方法采用适当焊接工艺及焊接材料，对压榨机辊轴轴颈进行了补焊修复实验研究。
2
The paper introduces the difficulties of roller spray welding technique such as controlling for distortion, keeping for layer evenness and dimension of roller diameter.