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    • Summary:

      Car suspension spring with steel on the purity of steel, dimensional accuracy, surface quality has strict requirements. Practice has proved that the diameter of the wire diameter to reduce the drawing die wear, reduce energy consumption, reduce broken wire, to ensure the stability of drawing is of g...

    • Summary:

      Alkaline chemical oxidation treatment is black, is the processing of qualified spring into the concentrated alkali solution containing heat treatment, the spring surface to obtain a layer of meager dense oxide film, the oxide film has anti-corrosion effect.

    • Summary:

      From the use of products and other aspects of view, the car suspension spring can play what role? The following are some of the main points of the use of automotive suspension springs.

    • Summary:

      (1) spring cold forming process 1) cold forming process one-time automation capabilities. Cold forming machine has been developed to 12 claws. In the range of (0.3 ~ 14) mm, the wire is basically formed at the time of 8 claw forming. The current direction of the development of process equipment:

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