Due to the characteristics of the die casting technology, the correct selection determinants of various process parameters is to obtain high quality castings, and the mold is correctly choosing and adjusting the process parameters, die design is essentially that may occur in the die casting production is expected to the comprehensive reflection of various factors.If the mold design is reasonable, there are fewer problems in actual production, and the casting rate is high.On the other hand, the mold design is unreasonable, cases of a dynamic mode of parcel force when casting design basically the same, and most of gating system in the fixed mold, and can't feed on injection after punch filling and south on the die casting machine production, cannot normal production, has been glued on the fixed mould casting.
Although the luminosity of the model cavity is very light, because of the deep cavity, the phenomenon of sticking to the mould is still present.So in the mold design, it must be comprehensive analysis of the structure of castings, familiar with the operation process of die casting machine, to know the possibility of die casting machine and the process parameters to adjust, master packing characteristics under different circumstances, and considering the mould processing methods, drilling, and fixed form, to design a practical, meet the production requirements of mold.The beginning has been said before, the liquid metal filling time very short, metal fluid pressure and velocity is very high, it extremely adverse working conditions for die casting and chilling impact of hot alternating stress has a great influence on the service life of the mold.The service life of mould is usually refers to through the elaborate design and manufacture, under the condition of normal use, combined with the natural damage is found under the maintenance of good, before can't repair and scrap, the die casting modulus (including waste) in die casting production