The optical coder was used for feedbacking the wire feed rate.Using corresponding control algorithm makes actual speed to meet the preset speed, to improve the stability and welding quality.

• 采用光电编码器进行送丝速度反馈,利用相应的控制算法使实际送丝速度值与预置值趋于一致,从而改善其稳定性,保证焊接质量。