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What are the requirements for the production of mold copper pipe?

What are the requirements for the production of mold copper pipe?

What are the requirements for the production of mold copper pipe?

What are the requirements for the production of mold copper pipe?As the heart of continuous casting machine, the role of copper mold tube is self-evident, and

What are the requirements for the production of mold copper pipe?

As the heart of continuous casting machine, the role of copper mold tube is self-evident, and its manufacturing technology requirements are also very high. At present, most crystal copper tubes are extruded by concave convex die on horizontal or outdated press.

The key to the manufacturing process of copper mold tube lies in its adhesion to the mold. In other words, the inner cavity size must fully meet the manufacturing accuracy of the die.

Factors for affecting adhesion:

1. Appropriate wall thickness deformation. When the deformation amount of copper mold tube becomes small during extrusion deformation, its inner surface can not produce enough plastic deformation, and the copper tube is not coated. The deformation becomes larger, the extrusion resistance becomes larger, and it is easy to straighten the formed pipe wall. Therefore, it is very important to select the deformation of copper mold tube.

 2. Eliminate the internal stress of copper pipe forming. Cause of internal stress: in the extrusion deformation of copper pipe with large wall thickness, the deformation of internal and external surfaces is different. The external metal is elongated, the internal surface deformation is small or unchanged, and the internal stress of the pipe is large. During subsequent processing, these internal stresses are released and the copper pipe is deformed. Therefore, technical measures should be taken to eliminate internal stress in the molding process of copper mold tube.

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  1. image
    shengmiao

    Harm of too high temperature: when molten steel out of cooper mold, the billet shell is thin and easy to break out; The accelerated erosion of refractory can ea

  2. image
    shengmiao

    1. The barrier function (mainly completed by the liquid slag layer) isolates the contact between air and molten steel, blocks the secondary oxidation of molten

  3. image
    shengmiao

    In continuous casting, low corrosion resistance often occurs, which directly leads to uneven composition and will eventually affect the smelting quality. In or

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