Nozzle shell selective laser melting forming method
A technology of laser selective melting and nozzle shell, applied in the field of additive manufacturing, can solve the problem of metal powder cannot be removed, and achieve the effect of reducing the number of parts, increasing the cleaning efficiency, and increasing the air pressure
Active Publication Date: 2019-08-20
AECC AVIATION POWER CO LTD
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The invention discloses a nozzle shell selective laser melting forming method. The nozzle shell selective laser melting forming method comprises the following steps that 1, a nozzle shell and test bars are formed on a substrate through additive manufacturing, a heat insulation cavity zone of the nozzle shell is provided with at least two through holes, and the test bars and the through holes are the same in diameter and length; 2, metal powder on the surface of the substrate, the surface of the nozzle shell and the test bars is removed, and metal powder in the heat insulation cavity is removedthrough the through holes; and 3, the test bars are inserted into the through holes for sealing. The problem that metal powder in a sealed heat insulation cavity of a nozzle shell cannot be removed is solved.
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Property | Measurement | Unit |
Diameter | 2.0 ~ 3.0 | mm |
tensile | MPa | |
Particle size | Pa | |
strength | 10 |
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