电脑控制电弧喷涂设备的研制

A study of microcomputer controlled arcspray equipment

介绍了一种电脑控制电弧喷涂设备．采用ＰＩ算法电弧电压负反馈使电源具有恒压外特性，配合ＰＩ算法电弧电流负反馈调节送丝速度，获得满意的喷涂效果．研究结果表明，电弧喷涂设备喷涂过程稳定，颗粒细小、均匀，涂层致密，抗网压波动能力强，喷涂规范调整灵活，控制精度高．

This paper introduces a kind of singlechip computer controlled arcspray equipment, in which PI algorithm of arc voltage negative feedback is adopted to obtain constantpotential output and the negative feedback is applied to adjust wire feed. The experiments indicate that the arcspraying process is stable and the coating is homogeneous and dense even with fine particles. The equipment has the following characteristics: strong ability to resist the voltage fluctuation of power circuit, the flexible adjustment of arcspray parameters and high controlling precision.