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本文简要介绍了辙叉焊机的基本原理和控制系统组成;详细阐述了采用伺服比例阀控制闪光速度的系统结构,用PLC完成闪光焊的闪光速度控制和焊接过程控制;分析了焊接电流和闪光速度的匹配关系,并采用PID控制和比例控制相结合的算法控制焊接电流稳定;设备使用效果良好,焊接产品通过了各项检测。
This article briefly introduced the basic principle of frog welder and the composition of the control system; elaborated on the servo proportional valve control flash speed of the system structure, with flash flash PLC to complete the flash speed control and welding process control; analysis of the welding current and flash The speed of the matching relationship and the use of PID control and proportional control of a combination of algorithms to control the welding current stability; equipment with good results, the welding products passed the test.