What are the three elements of aluminum alloy die casting production
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2022/03/14 10:49:04 *
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Correct and reasonable die is the premise of aluminum alloy die casting production, and plays an important role in ensuring the quality of aluminum alloy die castings. 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, and the die is the premise to correctly select and adjust various process parameters. Die design is mainly the production of aluminum alloy die castings.
If the mold design is reasonable, the problems encountered in the actual production are less and the qualified rate of casting is high. On the contrary, the mold design is unreasonable. For example, the wrapping force of the dynamic fixed mold is basically the same during the design of the casting, and the gating system is mostly produced on the fixed mold and placed on the aluminum alloy die casting machine whose punch can not feed after injection. It can not be produced normally, and the casting has been stuck to the fixed mold.
Although the finish of the fixed mold cavity is very smooth, it still sticks to the fixed mold due to the deep cavity. Therefore, when designing the aluminum alloy die-casting die, we must comprehensively analyze the structure of the casting, be familiar with the operation process of the aluminum alloy die-casting machine, understand the possibility of adjusting the aluminum alloy die-casting machine and process parameters, master the filling characteristics under different conditions, and consider the die processing method, drilling and fixing form, so as to design a practical Mold meeting production requirements.
At the beginning, it has been said that the filling time of liquid metal is very short, and the specific pressure and flow rate of liquid metal are very high. For aluminum alloy die-casting die, the working conditions are extremely poor. In addition, the impact of alternating stress of cooling and heating has a great impact on the service life of the die.
The service life of aluminum alloy die casting die usually refers to the modulus of aluminum alloy die casting (including the number of scrap products in aluminum alloy die casting production) before it can no longer be repaired and scrapped due to natural damage under normal use conditions and good maintenance through careful design and manufacturing.