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  • 2023-05-18

    Tube Mill Fault Analysis——Squeeze Roller Mechanism Scratches

    (1) The hole type does not matchThere are two-roller, three-roller and four-roller weld seam extrusion structures. As long as the combined hole shapes do not match, it is easy to cause scratches on the surface of the tube blank, especially the two-roller structure.There are many factors that cause t

  • 2023-03-16

    The difference between square cold-formed hollow section steel and cold-drawn square steel pipe

    Square cold-formed hollow section steel is a section steel with square cross-section shape and size made of hot-rolled steel plate after cold-bending and then high-frequency welding. It is also called welded square steel pipe. The section steel has a stable production process and high precision, and

  • 2023-02-01

    Use of TENGDI high frequency welded pipe mill

    The specific process flow of high-frequency welded pipe equipment is as follows: open the end of the steel coil, straighten it and send it to the subsequent equipment. After uncoiling, the strip is flattened, the head and tail are cut, the material is cut with a disc, and the tape is rewound. The ra

  • 2022-12-27

    Introduction to the main advantages of high frequency pipe welding machine

    Correct installation steps of high frequency welded pipe machine1. Transfer: A forklift should be selected to transfer the high-frequency pipe welding machine.2. Equipment: The machine should be fixed horizontally on a stable foundation and grounded.3. Oil filling: Open the back cover of the chassis

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