extruded aluminum enclosure profiles.What are the problems caused by the failure of aluminum alloy die casting mold

　　Aluminum alloy die casting mold investment is large, the cost is high, so we hope to have a long service life, but many improper factors will lead to the premature failure of die casting mold, resulting in a waste of resources, and affect the production, so what are the problems caused by the failure of die casting mold?

　　Die-casting mold failure forms are hot crack, erosion, cracking, wear and other forms, the main causes of die-casting mold failure are poor materials, improper use, processing, maintenance and so on.

　　First, hot crack damage

　　In the die casting process, the die casting mold is easily affected by the alternations of cold and heat, causing deformation of the forming surface and internal deformation under the action of cold and heat stress, and pulling each other to produce thermal stress, so the mold should be preheated in time before using the mold to prevent the alternations of cold and heat.

　　Second, the material is not good

　　The selected die casting mold material should be a die steel with high cold and thermal fatigue resistance, fracture toughness and thermal stability, and the material for making die casting molds should meet the requirements no matter from which aspect, so as to ensure the quality of die casting molds.

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