Y. Liu, Ning Huang, Wenqi Zhang, Rongchang Dong, Nang Jiang, Changlu Li, Chang-liang Zhao
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引用次数: 0
Abstract
Aiming at the difficulties of high welding accuracy and weld quality of ultrasonic flowmeter, a high-precision and highquality welding method for pipeline products is proposed. Through simulation analysis of weld thermal deformation, the influence of different welding process parameters on weld thermal deformation is determined, the coaxiality of products and the flatness of installation surface are ensured by designing welding equipment, the starting and ending arc position of pipeline automatic welding is set by adjusting pre-welding assembly quality combined with weld thermal deformation law, and the welding depth and welding quality are ensured by setting welding parameters by sections, thus achieving high precision and high quality of ultrasonic flowmeter. This technology has important practical significance for high-precision and high-quality welding of pipelines.
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