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    What is the relationship between the quality of copper castings and the mold

    Author:Wanhe    Time:2020-10-03     Clicks:15059

    As the use of copper castings becomes more and more widely used, the demand for its use is also higher and higher. There are actually many factors that affect the quality of copper castings, and there are more contact with the mold during the production process. . Let's get to know the relationship between the quality of copper castings and the mold below:

    What is the relationship between the quality of copper castings and the mold(圖1)

      1. The structural design of the mold is unreasonable or the copper castings formed by improper selection of materials are deformed during use, which makes the product unqualified.

      2. The shape of the copper casting is messy and the mold parts are also messy. This will make the mold processing difficult and the processing accuracy is not high. If the mold parts are made into combined processing to greatly simplify, it is easy to obtain high processing accuracy and thus high-quality copper castings can be obtained.

      3. Improper mold temperature will not only affect the quality of copper castings, but also affect the accuracy of casting dimensions and even deformation of the castings, causing cracks in the die casting mold and forming difficult-to-remove net-like burrs on the surface of the castings, affecting the appearance quality.

      4. To determine the number of cavities, it is necessary to consider the capabilities of the equipment, the difficulty of mold processing, the size of production batches, and the precision requirements of castings.

       5. The mold should be equipped with overflow grooves and exhaust channels that meet the overflow scale, which is very important to ensure the quality of copper castings.

      6. When calculating the size of die-casting parts, the reduction rate of die-casting materials should be in line with the practice, otherwise the products produced will be unqualified.

      7. The pouring system is not only a channel for filling the die-casting mold with liquid metal, but also regulating factors such as the velocity and pressure of the molten liquid, the exhaust conditions, and the thermal stability of the die-casting mold.

      The quality of copper castings has a certain relationship with molds. Since the molding of products is inseparable from molds, if we want to know more common sense about copper castings, we can continue to pay attention to us.