在齿轮超声检测领域，长期以来没有针对中小模数齿轮的自动超声检测技术。
In the field of ultrasonic testing for gear, there is not automatic ultrasonic testing technology for gears with middling and small modulus at the present time.
本文介绍了LSAW自动超声检测过程及控制对象、工艺流程逻辑图、PLC的硬件接口系统及工艺软件编程等。
The technical process and control object of the automatic ultrasonic inspection of LSAW, the logic diagram of technical process, hardware interface system and software program of PLC were introduced.
将可编程序控制器(PLC)应用于LSAW自动超声检测系统，可极大地改善焊管检测效率和可靠性，有益于提高焊缝质量和生产效率。
The application of PLC in the automatic ultrasonic inspection of LSAW can greatly improve the accuracy and efficiency of inspection, and is helpful for raising the welding quality and productivity.
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