Preparation device and method of narrowly distributed spherical metal powder for additional material manufacturing
A metal powder and additive manufacturing technology, which is applied in the field of spherical metal powder preparation equipment, can solve the problems of unsuitable alloy powder, etc., and achieve the effects of improving powder yield, good heat preservation effect, and reducing powder particle size
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[0039] Adopt supersonic gas atomization method, change the traditional corkscrew smelting system, adopt figure 1 The pouring method shown in the middle pouring crucible is smelting and atomizing, and the powder level of the atomized preparation is increased to 50kg / heat. At the same time, the preparation method of the present invention has the function of infrared temperature measurement, and at the same time it is calibrated by the thermocouple to realize the accurate measurement of the temperature rise during the preparation process. figure 2 As shown, the layered structure design is adopted, the outer layer is a stainless steel sheath, the inner layer is a heat preservation crucible, and the middle interlayer is filled with magnesia. The filling thickness is 0.5-2cm, the height is 15-20cm, and the upper part has gaps, which can realize the preparation process The precise control of the temperature ensures the stability of the melt temperature during the dum...
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