Aluminum alloy fingerprint small lock case

Correct and reasonable mold is the premise of smooth aluminum alloy die-casting production, and plays an important role in ensuring the quality of aluminum alloy die-casting. 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 mold is the premise of correct selection and adjustment of various process parameters. Mold design is mainly for the production of aluminum alloy die casting. A comprehensive reflection of the expected various factors.

If the mold design is reasonable, less problems are encountered in actual production, and the qualified rate of castings under the machine is high. On the contrary, the mold design is unreasonable, for example, a casting is designed with basically the same wrapping force of dynamic and fixed die, while the pouring system is mostly in the fixed die and placed on the aluminum alloy die casting machine where the punch cannot be fed after pressure injection, it cannot be produced normally, and the casting has been stuck to the fixed die.

Even though the cavity of the fixed die cavity is played very light, because the cavity is deeper, still appear sticky on the fixed die. So in the aluminum alloy die-casting mold design, must be a comprehensive analysis of the structure of the casting, familiar with the operation process of the aluminum alloy die-casting machine, to understand the aluminum alloy die-casting machine and the possibility of adjusting the process parameters, master the filling characteristics in different cases, and consider the mold processing methods, drilling and fixed form, in order to design a realistic, to meet the production requirements of the mold.

At the beginning, it has been said that the filling time of metal liquid is very short, and the specific pressure and flow rate of metal liquid is very high, which is extremely harsh working conditions for aluminum alloy die-casting mold, coupled with the impact of alternating stresses of cold and heat, all have a great influence on the service life of the mold.

The service life of aluminum alloy die-casting die is usually refers to through the careful design and manufacture, in the normal use of the conditions, combined with good maintenance under the natural damage, in can not be repaired and scrapped before, the number of aluminum alloy die-casting die (including the number of aluminum alloy die-casting production scrap).