3D printing integrated preparation method for metal dies of gradient materials

Abstract

The invention relates to a 3D printing integrated preparation method for metal dies of gradient materials. The preparation method includes the steps of 1, the CAD 3D modeling stage; 2, the proportion calculating stage; 3, the powder feeding preparation stage; 4, the stage of setting a laser printing system; 5, the 3D printing stage; and 6, the postprocessing stage of the metal dies. An industrial personal computer respectively controls a metal powder ingredient controller of a hopper and a micro powder feeder of a laser cladding head to carry out the controlled powder feeding operation according to scanning paths of hierarchical slices, in the powder feeding process, the laser cladding head of the laser printing system carries out the laser cladding treatment on the metal powder on the metal powder layer by layer, and finally three-dimensional metal die forming parts with material gradient are formed. The preparation method has the advantages that the operation method is simple, the accuracy is high, the preparation cost is low, the preparation time is short, the service life of the dies is long, the mechanical property is good, and the combination property of the dies is excellent.

Description

technical field [0001] The invention relates to the technical field of manufacturing metal mold forming materials, in particular to an integrated preparation method for gradient material metal mold 3D printing. Background technique [0002] Gradient materials have been paid more and more attention in the field of material technology because of their own characteristics of continuous or accurate continuous change in structure and performance in the direction of material thickness or length. At present, many scientific researchers and enterprises in the world attach great importance to it and carry out in-depth research on it. Up to now, some basic research methods have been explored and many systems of gradient materials have been prepared. Common gradient material preparation methods include powder molding preparation method, physical vapor deposition preparation method, chemical vapor deposition preparation method, plasma spraying preparation method, electroplating method, ...

AI Technical Summary

Problems solved by technology

Common gradient material preparation methods include powder molding preparation method, physical vapor deposition preparation method, chemical vapor deposition preparation method, plasma spraying preparation method, electroplating method, etc.; however, although these preparation methods have their own advantages, they also have some limitations. For example, it is difficult to achieve continuous and uniform change of material components in the powder molding preparation method, and it is difficult to obtain thick materials by the vapor deposition preparation method, etc.

The process equipment of these preparation methods is also relatively complicated, and the preparation process is relatively cumbersome. In addition, there are disadvantages such as waste of precious element usage, low precision, and relatively poor mechanical properties in the manufacturing process.

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