Analysis and Suggestion on Application of Demestic Automatic NDT Equipment for Seamless Steel Tube
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摘要: 简述国内无缝钢管自动探伤设备的发展现状，指出各类自动探伤设备的优缺点，并提出建议。分析认为：将超声波相控阵探伤应用于自动探伤时，需要解决超声波能量重复发射、多方向超声波干扰、报警闸门位置与幅度设置等问题；自动涡流探伤设备在多频检测、信号处理软件分析方面有待优化；自动漏磁探伤设备若要检测壁厚大于20 mm的无缝钢管，则需要在磁化（线圈）设备的能力或检测线圈的结构参数方面进行优化；应用数字化自动射线探伤设备时，有必要对多射线机头进行设置。Abstract: The present development of automatic NDT equipments for seamless steel tube in China is briefed, advantages/disadvantages of different types of automatic NDT equipments are introduced and suggestions are made.According to the analysis, when ultrasonic phased array is applied to automatic NDT, the following problems shall be tackled, including repetitive emission of ultrosonic energy, interference of ultrasonics from different directions, as well as the setup of the position and amplitude of the alarm thresholds.As for automatic eddy-current testing equipment, the muti-frequency testing and the signal processing software shall be optimized.If an automatic magnetic flux leakage equipment is to be used on seamless steel tube with wall thickness bigger than 20 mm, the capability of the magnetization (coil)device and the structure and parameters of the testing coil shall be optimized.When a digitized automatic radiographic testing equipment is to be applied, it is necessary to set up the multi-ray machine nose.
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Keywords:
- seamless steel tube /
- nondestructive testing /
- NDT equipment /
- automatic /
- application /
- suggestion
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期刊类型引用(7)
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