In die-casting production, product quality is the main concern of customers. Die-casting is a kind of die-casting part. It is a mechanical die-casting machine with a die-casting mold installed. There are many factors that affect the quality of die-castings. Such as die casting machine type and quality. The geometric structure and technical requirements of die castings are fair. The structure of the mold and the technical level of the operators are equal, and the requirements for die casting products are getting higher and higher. There are high requirements for safety and aesthetics. The control of the surface temperature of the die-casting mold is very important for the production of high-quality die-casting parts. Uneven or inappropriate mold temperature will also cause the size of the casting to be unstable, and the casting will be deformed during the production process, resulting in defects such as thermal pressure, mold sticking, surface depression, internal shrinkage and hot bubbles. When the mold temperature difference is large, it will have different degrees of influence on the cooling time and spraying time. The mold manufacturing of the die-casting processing plant is from design to material ordering, mold opening, machine debugging, and mass production. Because of the process, even day and night, it takes about 10-20 days. This production cycle is not too short. Therefore, when making molds, we must pay special attention to some factors that affect the quality of molds and aluminum alloy die castings. Then, in the production of aluminum alloy die castings, which factors will affect the production quality of aluminum alloy die castings?
When designing aluminum alloy die-casting molds, selecting materials, processing and manufacturing, and designing die-casting parts, special attention should be paid to the use of requirements to make the structure of the die-casting parts as simple as possible. Otherwise, pits, pores, cracks and other defects are prone to appear on the die casting. The size requirements of Shenzhen aluminum alloy die-casting are appropriate and reasonable. Otherwise, it will cause unnecessary troubles to mold design, processing formulation and management. A large number of substandard products will be produced.
The quality control of aluminum alloy die-casting products, the structure of the mold, the processing precision and the selection of mold materials are also particular: aluminum alloy die-casting is die-casted by the mold, and the choice of mold material is also closely related to the quality of the product. The mold structure is not good enough, and it is difficult to make the product meet the standard even if measures are taken in the process.
The outer surface treatment technology of aluminum alloy die castings, the materials used, and the shrinkage rate of the casting material: The shrinkage rate of the casting material is generally given in the form of an average percentage or a percentage with a certain range of variation. When designing molds for high-precision die castings Special attention should be paid to the need to make a test mold first. After obtaining the data on the test mold, design and manufacture the mold for mass production.
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