Three-period extremely-small curved surface supporting structure manufactured by applying metal additive and manufacturing method of three-period extremely-small curved surface supporting structure
A technology of extremely small curved surfaces and metal additives, which is applied in the direction of additive manufacturing, additive processing, and process efficiency improvement. It can solve the problems of increased powder, weak support effect, and difficult recycling, so as to save powder and improve powder utilization. , high-strength effect
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Embodiment 1
[0042] Embodiment 1: A three-period minimally curved support structure using metal additive manufacturing. Such as Figure 4 Shown is the structural schematic diagram of the three-period minimally curved support structure using metal additive manufacturing;
[0043] The support structure is composed of one or more cell structures with a three-period minimally curved porous structure cell array, which can be changed in space according to the actual part design requirements and heat transfer requirements. The density distribution composition is filled between the substrate and the part to be supported; wherein, the cell surface structure of the three-period minimal curved surface porous structure is obtained by an implicit function mathematical expression and setting parameters.
[0044] Combined with finite element analysis, comparing the advantages of the three-period minimal curved surface structure and the traditional surface support in this embodiment, the simulation analy...
Embodiment 2
[0045] Embodiment 2: A three-period minimally curved impeller support structure manufactured using metal additives. Such as Figure 5 Shown is the structural schematic diagram of the three-period minimally curved impeller support structure using metal additive manufacturing;
[0046] The impeller support structure is composed of one or more cell structures with a three-period minimally curved porous structure cell array, which is designed according to the actual parts design requirements and heat transfer requirements in the space. It is composed of variable density distribution and filled between impeller-shaped parts; wherein, the cell surface structure of the three-period minimal curved surface porous structure is obtained by implicit function mathematical expressions and setting parameters.
[0047] Printed three-phase minimal surface structural support structure for the impeller zero of the brittle superalloy IN738. The part has 12 blades with an overhang angle greater ...
specific Embodiment
[0050] Such as Figure 6 A schematic flow chart showing a method for manufacturing a three-period minimally curved surface support structure using metal additive manufacturing in an embodiment of the present invention.
[0051] The methods include:
[0052] Step S61: Generate a three-period minimally curved porous structure cell array model with a three-period minimally curved porous structure cell surface structure based on the input implicit function mathematical expression and set parameters.
[0053] Optionally, enter the mathematical expression of the implicit function and set the parameters in the modeling software to generate a point cloud model of a very small surface with different structural forms, and use the 3D modeling software or programming means to construct a model with the required size and structural feature parameters. The three-period minimal curved surface porous structure cell array model of the three-period minimal curved surface porous structure cell ...
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