This paper focused on introducing briefly the component of PAWM system, key control technologies, application on construction site taken by it. The pipeline all-position automatic welding machine system is a special welding system for automatically welding circumferential joint of pipeline on site, which has been widely used to the long-distance pipeline construction projects due to the advantages of automatic control for welding parameters at all-position, moving speed of bugs and operating. In this paper, the key control technologies of PAWM all-position automatic welding machine (developed by Pipeline Research Institute of CNPC) such as the automatic control system, control software, personal digital assistant (PDA) software and complex programmable logic device (CPLD) program as well as the control method of welding parameter have been described detailedly. With the higher welding quality, higher welding efficiency and lower labor intensity, PAWM all-position automatic welding machine has been successfully applied in many famous pipeline construction projects. The welding parameters control method has been applied so that it is easy to change the welding parameters through a PDA or a portable computer.


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    Title :

    Research on key control technologies of all-position automatic welding machine


    Contributors:
    Zeng, Huilin (author) / Du, Zeyu (author) / Jing, Ma (author) / Huang, Fuxiang (author)

    Published in:

    China Welding ; 18 , 3 ; 69-73


    Publication date :

    2009


    Size :

    5 Seiten, 3 Bilder, 9 Quellen



    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English





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