焊接英文翻译The techniqui for manual GTA welding filler metal to t
焊接英文翻译
The techniqui for manual GTA welding filler metal to the weld pool is illustrated in Figure1-10.First the arc is established between the electrode and the work using high frequency arc starting.Touch staring is not recommended.The torch is moved in a small circle to establish a pool.Then the torch is tilted back on about a 75°angle and moved back slightly while sufficient filler metal is dipped into the pool.