What are the elements of aluminum alloy die casting production?
Date：
2022-01-18
Correct die casting is the premise of the smooth production of aluminum alloy die casting parts, which plays an important role in ensuring the quality of aluminum alloy die casting parts. Due to the characteristics of aluminum alloy die casting process, the correct selection of various process parameters is the decisive factor to obtain high quality aluminum alloy die casting parts, and the mold is the premise of the correct selection and adjustment of various process parameters. Die design is mainly to produce aluminum alloy die casting parts, fully reflects the expected factors.
The correct mold is the precondition for the smooth production ofaluminum alloy die-castingparts, and plays an important role in ensuring the quality of aluminum alloy die-casting parts. Due to the characteristics of aluminum alloy die-casting process, the correct selection of various process parameters is the decisive factor in obtaining high-quality aluminum alloy die-casting parts, and the mold is the prerequisite for the correct selection and adjustment of various process parameters. Mold design is mainly used to produce aluminum alloy die-casting parts, which fully reflects the Expected factors
If the mold design is reasonable, there will be few problems encountered in actual production, and the qualification rate of castings will be high. On the contrary, the mold design is unreasonable. For example, 1. When designing castings, the wrapping force of the fixed mold is basically the same, while the gating system is mostly in the fixed mold, which is produced on the aluminum alloy die-casting machine. On the aluminum alloy die-casting machine, the punch cannot feed after injection, so it cannot be produced normally, and the castings are always stuck to the fixed mold
Although the finish of the fixed mold cavity is very smooth, it is still stuck to the fixed mold due to the depth of the cavity. Therefore, when designing the aluminum alloy die casting mold, you must comprehensively analyze the structure of the casting and be familiar with the operation process of the aluminum alloy die casting machine. It is necessary to know the possibility of adjusting the aluminum alloy die-casting machine and process parameters, master the filling characteristics under different conditions, and consider the mold processing methods, drilling and fixing forms to design a practical mold that meets the production requirements
As I said at the beginning, the filling time of molten metal is very short, and the specific pressure and flow rate of molten metal are very high, which is extremely unfavorable for aluminum alloy die casting molds. In addition, the influence of cold and hot alternating stresses has a great impact on the service life of aluminum alloy die casting molds. The service life of aluminum alloy die casting molds usually refers to the careful design and manufacturing, combined with good maintenance under normal conditions of use, Natural damage that occurs before it can no longer be repaired
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