A little-known control method in zinc alloy die-casting.868 mhz omnidirectional antenna

　　Zinc alloy die-casting, as a relatively mature die-casting process, has many details to pay attention to for control. In addition to familiar raw materials, temperature, speed, etc., zinc alloy die-casting also has many little-known control methods. Today, we will talk about these details that are worth paying attention to.

　　We all know that die-casting speed is an important control parameter for zinc alloy die-casting, but how many people know that the angle of injection into the molten metal also needs to be controlled. When zinc alloy die-casting is carried out, the molten metal enters the mold cavity through the inner runner at a certain angle, not directly. The angle of injection is mainly determined by two aspects: one is the vertical velocity of the molten metal under the action of gravity; One is the horizontal velocity of the metal liquid moving forward along the transverse sprue direction under the action of thrust, just like the parabola we learned in middle school. Direct injection is not actually "straight", so when zinc alloy die-casting, it is necessary to adjust a certain injection angle to produce high-quality die-casting parts.

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