Metal powder laser 3D printing nozzle
A metal powder, 3D printing technology, applied in the direction of improvement of process efficiency, additive manufacturing, additive processing, etc., can solve the problem of not seeing the patent documents and so on, and achieve the effect of simple structure and good printing effect
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[0017] Example: see Figure 1 to 4 As shown, a metal powder laser 3D printing nozzle is formed with a truncated cone-shaped nozzle head 2 in the lower part of the entity 1. The nozzle head 2 is formed with a first annular cavity 3 and a second annular cavity 4, and a second annular cavity The cavity 4 is located inside the first annular cavity 3. The first annular cavity 3 forms a first annular cavity opening 31 at the lower part of the nozzle head 2, and the second annular cavity 4 forms a second annular cavity at the lower part of the nozzle head 2. Cavity opening 41;
[0018] The first shielding gas delivery pipe 51, the second shielding gas delivery pipe 52, and the third shielding gas delivery pipe 53 are all in communication with the first annular cavity 3. The first metal powder delivery pipe 61, the second metal powder delivery pipe 62 and The third metal powder delivery pipe 63 is in communication with the second annular cavity 4, the first annular cavity 3 and the seco...
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