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分析了利用动态电极压力监控点焊质量的原理。利用压电石英力传感器、负荷放大器及其外围电路，建立了动态电极压力点焊质量控制系统。介绍了控制系统硬件结构和控制软件设计。实验结果表明，采用该控制系统能够有效地控制焊点质量。
The principle of using dynamic electrode pressure to monitor spot welding quality is analyzed. Using piezoelectric quartz force sensor, load amplifier and its peripheral circuits, a dynamic electrode pressure spot welding quality control system was established. Introduced the control system hardware structure and control software design. Experimental results show that the control system can effectively control the quality of solder joints.