Production method of 3G communication signal converter shell
A communication signal and converter technology, applied in the direction of electrical components, selection devices, etc., to achieve good sealing, ensure size assembly, and overcome the effect of processing
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[0011] At room temperature of 20 °C, the bottom case and the lid were die-cast using Al-Si alloy, and then the bottom case and the lid were machined, respectively.
[0012] The vertical high pressure casting is used for die casting, the casting pressure of the die casting machine is set to 12Mpa, the mold temperature is set to 210°C, and the temperature of the casting liquid (melt) is set to 650°C. The Al-Si alloy is put into the machine, and the injection speed used is 0.5-0.7m / s, and the casting liquid is injected into the cavity of the mold.
[0013] When the amount of casting solution injected into the cavity reaches 55% (volume ratio) of the total casting solution, the flow rate of the casting solution injected into the cavity is increased to 1.0-1.2m / s. The total amount of casting liquid refers to the amount of casting liquid required for die casting a part (including sprue, sprue, overflow well and other sprue systems).
[0014] When the casting liquid fills the cavity...
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