galvanized sheet metal fabrication

　　Precautions for Temperature in Aluminum Alloy Die Casting Molds

　　Aluminum alloy die-casting molds are important tools for producing die-casting parts. Due to the special nature of the die-casting process, die-casting molds need to work continuously for a long time in an environment of rapid cooling, rapid heating, and high pressure. Thermal fatigue is the fundamental factor affecting the life of die-casting molds, so temperature is very important for aluminum alloy die-casting molds and requires constant attention from personnel.

　　There are many precautions for temperature in the use of die-casting molds, such as the use of cooling water. The correct use of cooling water for aluminum alloy die-casting molds is beneficial for extending the service life of the mold and improving production efficiency. Although the materials used to make the mold are specially treated and good, these materials also have their own bearing limits, such as temperature, hardness, plasticity, etc. During use, if the temperature is too high, the mold core will crack early, which will greatly shorten the service life of the die-casting mold, reduce the quality and production efficiency of the die-casting parts. Moreover, a set of qualified aluminum alloy die-casting molds is generally priced at more than 10000 yuan.

　　During the use of aluminum alloy die-casting molds, attention should also be paid to preheating to prevent cracking caused by high-temperature metal liquid in contact with low-temperature die-casting molds. Preheating treatment can be carried out using spray lamps, liquefied gas, mold temperature machines, etc.

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