• Method for eliminating shrinkage and air holes of pump valve casting

    Method for eliminating shrinkage and air holes of pump valve casting

    In the production of pump valve castings, defects such as shrinkage and pores are often encountered. The amount of repair welding and grinding is quite large, and the surface is not very beautiful. At the same time, some holes are found in the boreholes, and there are leaks in the test Phenomenon an... read more

    Jan 11,2020 Industry news
  • Structure of the casting and air contact surface

    Structure of the casting and air contact surface

    Because the casting in the metal mold cools and condenses faster than in the sand mold, the metal mold has no tolerance. Therefore, when the metal mold is cast, the casting stress that occurs in the casting is larger than that of the sand mold. In the process, the phenomenon of lack of pouring and c... read more

    Jan 04,2020 Industry news
  • Automotive casting technology chapter one-The development direction of automotive castings

    Automotive casting technology chapter one-The development direction of automotive castings

    At present, the developed countries in the European and American automobile industry have advanced technology for automobile casting production, good product quality, high production efficiency, and low environmental pollution. Series and standardization of casting raw and auxiliary materials have b... read more

    Dec 20,2019 Industry news
  • Types of sand casting and mold design

    Types of sand casting and mold design

    Sand casting is a type of casting process. Generally, the casting mold used in the product is effectively combined directly by the core and the outer sand mold. The material used in the sand casting process is It is very cheap and relatively simple to manufacture. Sand casting is very suitable for t... read more

    Dec 13,2019 Industry news
  • Casting production process and defect analysis

    Casting production process and defect analysis

    In the process of making castings, it is effective to pour its solid state liquid at room temperature, but soon to pour the solidified material into its specific shape of the mold and wait for its solidification and forming. Metal material heated to liquid state. The material used in the process of ... read more

    Dec 06,2019 Industry news
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