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  • 2023-05-26

    Tube Mill Fault Analysis——Weld Cracking Phenomenon

    The appearance of gaps refers to the phenomenon that the welds are not bonded together. The length of the gaps is generally more than a few centimeters or even longer. The main reasons are as follows:(1) Pass wearAs the extrusion roll hole pattern wears, the hole pattern (R) size gradually becomes l

  • 2023-05-11

    Tube Mill Fault Analysis——Analysis of Problems Caused by Sand Hole Tube

    Sand-hole pipes are also a kind of quality accident caused by weld leakage, but their gaps are very small, some of them cannot be directly observed by human eyes, and must be found through testing equipment, so we call this kind of pipes sand-hole pipes. The main reasons for sand hole pipes are as f

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