This paper presents an automatic judgement method for wheelset press-fit curve, in which thirteen technical conditions are examined for qualified wheelset assembly or not. In order to meet the requirements of Criterion of inspection and repair - railway vehicles [2007]95, some algorithms are designed to identify several traits on press-fit curve, such as force zoom, force decrease, flat line, concave-up shape and so on. In accordance with the Criterion 95 and the algorithms, a quality judgement software attaching to the computer control system in a wheelset assembly machine is developed. The practical application shows that the software’s judgement accuracy is up to 99.4%. Compared with artificial approach, the accuracy, reliability and efficiency of the new judgement method all improve greatly. It also avoids influences of personal factors and makes great sense to the assurance of press-fit quality and transportation security.


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    Title :

    Research on Automatic Judgement of Wheelset Press-Fit Curve



    Published in:

    Applied Mechanics and Materials ; 236-237 ; 1321-1326


    Publication date :

    2012-11-29


    Size :

    6 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English




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