A design method, system and medium for additive manufacturing substrate

Abstract

This invention provides a design method, system, and medium for additive manufacturing substrates, belonging to the field of additive manufacturing technology. The method includes: obtaining substrate performance requirements based on an additive manufacturing substrate design task; selecting material characteristics of the substrate based on the performance requirements to determine a first design scheme; obtaining the substrate engineering schematic diagram from the additive manufacturing substrate design task; constructing and optimizing a substrate structure model based on the first design scheme; determining the substrate length and structural form based on the optimized substrate structure model; outputting substrate drawings and manufacturing technical requirements to complete the additive manufacturing substrate design. The design method provided by this invention can effectively improve the performance and stability of substrates during additive manufacturing, enhance the quality and reliability of manufactured parts, and reduce production costs, possessing high practical value and economic benefits.

Description

Technical Field

[0001] The present invention relates to the technical field of additive manufacturing, and in particular to a design method, system and medium for an additive manufacturing substrate. Background Art

[0002] In traditional additive manufacturing processes, the design of the substrate often ignores the influence of the internal microstructure and properties of the material, which may lead to problems such as cracks and deformation during the additive manufacturing process, reducing manufacturing efficiency and product quality. Therefore, a method is needed to optimize the substrate structure design to improve the performance and stability of additively manufactured parts. Summary of the invention

[0003] In order to overcome the shortcomings of the prior art, the purpose of the present invention is to provide a design method, system and medium for an additive manufacturing substrate, which can effectively improve the performance and stability of the substrate during the additive manufacturing process, improve the quality and reliability of manufactured parts, reduce production costs, and have high practical value and economic benefits.

[0004] To achieve the above object, the present invention provides the following solutions:

[0005] A method for designing an additive manufacturing substrate comprises the following steps:

[0006] According to the additive manufacturing substrate design task, obtain the substrate performance index requirements;

[0007] Based on the performance index requirements of the substrate, material characteristics of the substrate are selected to determine a first design solution;

[0008] Obtaining a substrate engineering schematic diagram in the additive manufacturing substrate design task, and constructing and optimizing a substrate structure model according to the first design scheme;

[0009] The length and structural form of the substrate are determined according to the optimized substrate structure model, the substrate pattern and development technical requirements are output, and the additive manufacturing substrate design is completed.

[0010] Preferably, the substrate performance index requirements include: substrate strength, hardness, wear resistance, corrosion resistance, thermal conductivity, thermal stability, electrical conductivity, thermal conductivity, and structural stability requirements.

[0011] Preferably, based on the performance index requirements of the substrate, the material characteristics of the substrate are selected to determine the first design solution, which specifically includes:

[0012] Dividing the substrate performance index requirements into different levels; the different levels include a first level, a second level, a third level and a fourth level;

[0013] According to the different hierarchical orders, substrate features that meet the substrate performance index requirements are selected layer by layer by using the intersection method to determine the first design solution.

[0014] Preferably, the first level includes substrate strength, hardness and structural stability; the second level includes substrate wear resistance and corrosion resistance; the third level includes substrate thermal conductivity and thermal stability; and the fourth level includes substrate electrical conductivity and thermal conductivity.

[0015] Preferably, after the substrate structure model is constructed, simulation training of the model is also included, as follows:

[0016] Based on the substrate structure model, the stress distribution and thermal deformation in the additive manufacturing process are simulated to obtain simulation training results and evaluate the stability and feasibility of the first design scheme;

[0017] The substrate structure is adjusted and improved according to the simulation training results until the substrate performance index requirements are met.

[0018] Preferably, the optimization of the substrate structure model comprises:

[0019] Optimizing the substrate structure model by using a simulated annealing algorithm to obtain optimization results of the internal pore structure and crystal orientation of the substrate;

[0020] It is determined whether the obtained optimization result meets the substrate performance index requirements. If the optimization result meets the substrate performance index requirements, the next step is performed; otherwise, the substrate structure model is adjusted according to the substrate performance index requirements.

[0021] The present invention also provides a design system for an additive manufacturing substrate, comprising: a first module, for obtaining substrate performance index requirements; a second module, based on the first module, for selecting material characteristics of the substrate and determining a first design scheme; a third module, for obtaining a substrate engineering schematic diagram in the additive manufacturing substrate design task, and constructing and optimizing a substrate structure model according to the first design scheme; a fourth module, for determining a substrate length and a structural form according to the optimized substrate structure model, outputting a substrate drawing and development technical requirements, and completing the additive manufacturing substrate design.

[0022] The present invention also provides a computer-readable storage medium having a computer program stored thereon, and when the computer program is executed by a processor, the steps of the above-mentioned method for designing an additive manufacturing substrate are implemented.

[0023] According to the specific embodiments provided by the present invention, the present invention discloses the following technical effects:

[0024] The present invention provides a design method, system and medium for additive manufacturing substrates, including: obtaining substrate performance index requirements according to the additive manufacturing substrate design task; selecting the material characteristics of the substrate based on the substrate performance index requirements to determine a first design scheme; obtaining the substrate engineering schematic diagram in the additive manufacturing substrate design task, and constructing and optimizing the substrate structure model according to the first design scheme; determining the substrate length and structural form according to the optimized substrate structure model, outputting the substrate pattern and development technical requirements, and completing the additive manufacturing substrate design. The design method provided by the present invention can effectively improve the performance and stability of the substrate in the additive manufacturing process, improve the quality and reliability of the manufactured parts, and reduce the production cost, and has high practical value and economic benefits. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0026] Figure 1 The present invention is a flow chart of a method for designing an additive manufacturing substrate. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] The purpose of the present invention is to provide a design method, system and medium for an additive manufacturing substrate, which can effectively improve the performance and stability of the substrate during the additive manufacturing process, improve the quality and reliability of manufactured parts, reduce production costs, and have high practical value and economic benefits.

[0029] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0030] Embodiment 1

[0031] like Figure 1 As shown, the present invention provides a method for designing an additive manufacturing substrate, comprising the following steps:

[0032] Step 100: Obtaining substrate performance index requirements according to an additive manufacturing substrate design task;

[0033] Step 200: Based on the performance index requirements of the substrate, select the material characteristics of the substrate and determine a first design solution;

[0034] Step 300: Obtain a substrate engineering schematic diagram in the additive manufacturing substrate design task, and construct and optimize a substrate structure model according to the first design solution;

[0035] Step 400: Determine the length and structure of the substrate according to the optimized substrate structure model, output the substrate pattern and development technical requirements, and complete the additive manufacturing substrate design.

[0036] In step 100, the substrate performance index requirements include: substrate strength, hardness, wear resistance, corrosion resistance, thermal conductivity, thermal stability, electrical conductivity, thermal conductivity, and structural stability requirements.

[0037] In step 200, based on the performance index requirements of the substrate, the material characteristics of the substrate are selected to determine a first design solution, which specifically includes:

[0038] Dividing the substrate performance index requirements into different levels; the different levels include a first level, a second level, a third level and a fourth level;

[0039] According to the different hierarchical orders, substrate features that meet the substrate performance index requirements are selected layer by layer by using the intersection method to determine the first design solution.

[0040] In addition, in the above content, the first level includes substrate strength, hardness and structural stability; the second level includes substrate wear resistance and corrosion resistance; the third level includes substrate thermal conductivity and thermal stability; and the fourth level includes substrate electrical conductivity and thermal conductivity.

[0041] In step 300, after the substrate structure model is constructed, simulation training of the model is also included, as follows:

[0042] Based on the substrate structure model, the stress distribution and thermal deformation in the additive manufacturing process are simulated to obtain simulation training results and evaluate the stability and feasibility of the first design scheme;

[0043] The substrate structure is adjusted and improved according to the simulation training results until the substrate performance index requirements are met.

[0044] In addition, the optimization of the substrate structure model includes:

[0045] Optimizing the substrate structure model by using a simulated annealing algorithm to obtain optimization results of the internal pore structure and crystal orientation of the substrate;

[0046] It is determined whether the obtained optimization result meets the substrate performance index requirements. If the optimization result meets the substrate performance index requirements, the next step is performed; otherwise, the substrate structure model is adjusted according to the substrate performance index requirements.

[0047] Embodiment 2

[0048] The present invention also provides a design system for an additive manufacturing substrate, comprising: a first module, for obtaining substrate performance index requirements; a second module, based on the first module, for selecting material characteristics of the substrate and determining a first design scheme; a third module, for obtaining a substrate engineering schematic diagram in the additive manufacturing substrate design task, and constructing and optimizing a substrate structure model according to the first design scheme; a fourth module, for determining a substrate length and a structural form according to the optimized substrate structure model, outputting a substrate drawing and development technical requirements, and completing the additive manufacturing substrate design.

[0049] In this embodiment, the first module, the second module, the third module and the fourth module are respectively composed of the following specific implementation schemes, specifically including:

[0050] Modeling software: used to design and build three-dimensional models of substrates. These software can include CAD (computer-aided design) software and other modeling software to generate the geometry and structure of the substrate.

[0051] Optimization algorithm: used to optimize the substrate structure according to design requirements and performance indicators. Genetic algorithm, simulated annealing algorithm, particle swarm optimization algorithm, etc. can be used for the optimization design of the substrate structure model. In the first embodiment, the simulated annealing algorithm is preferred.

[0052] Material database: Contains the performance data and characteristics of various materials to assist the design system in selecting suitable materials to meet design requirements.

[0053] Simulation software: used to simulate and analyze the designed substrate structure and evaluate its performance, stability and behavioral characteristics to ensure the feasibility of the design solution.

[0054] Manufacturing equipment interface: The part that interfaces with the additive manufacturing equipment is used to convert the designed substrate structure into an actual physical product. This part also involves processes such as substrate post-processing and surface treatment.

[0055] User interface: Provides a user-friendly interactive interface that allows designers to easily operate, adjust design parameters and view design results.

[0056] Embodiment 3

[0057] The present invention also provides a computer-readable storage medium having a computer program stored thereon. When the computer program is executed by a processor, the steps of the method for designing an additive manufacturing substrate proposed in the first embodiment are implemented.

[0058] Therefore, the use of the above-mentioned design method, system and medium for an additive manufacturing substrate can effectively improve the performance and stability of the substrate during the additive manufacturing process, improve the quality and reliability of manufactured parts, reduce production costs, and has high practical value and economic benefits.

[0059] The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.

[0060] The principles and implementation methods of the present invention are described in this article using specific examples. The description of the above embodiments is only used to help understand the method and core idea of ​​the present invention. At the same time, for those skilled in the art, according to the idea of ​​the present invention, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. A method for designing an additive manufacturing substrate, characterized in that: The following steps are involved: According to the additive manufacturing substrate design task, obtain the substrate performance index requirements; The substrate performance index requirements include: substrate strength, hardness, wear resistance, corrosion resistance, thermal conductivity, thermal stability, electrical conductivity, thermal conductivity, and structural stability requirements; Based on the performance index requirements of the substrate, the material characteristics of the substrate are selected to determine the first design scheme; specifically, the first design scheme includes: Dividing the substrate performance index requirements into different hierarchical orders; the different hierarchical orders include a first level, a second level, a third level and a fourth level; the first level includes substrate strength, hardness and structural stability; the second level includes substrate wear resistance and corrosion resistance; the third level includes substrate thermal conductivity and thermal stability; the fourth level includes substrate electrical conductivity and thermal conductivity; According to the different hierarchical orders, substrate features that meet the substrate performance index requirements are selected layer by layer by using an intersection method to determine the first design solution; Obtain the engineering schematic diagram of the substrate in the additive manufacturing substrate design task, and build and optimize the substrate structure model according to the first design scheme; after the substrate structure model is built, simulation training of the model is also included, as follows: Based on the substrate structure model, the stress distribution and thermal deformation in the additive manufacturing process are simulated to obtain simulation training results and evaluate the stability and feasibility of the first design scheme; Adjusting and improving the substrate structure according to the simulation training results until the substrate performance index requirements are met; The optimization of the substrate structure model includes: Optimizing the substrate structure model by using a simulated annealing algorithm to obtain optimization results of the internal pore structure and crystal orientation of the substrate; Determine whether the substrate performance index requirement is met according to the obtained optimization result. If the optimization result meets the substrate performance index requirement, proceed to the next step; otherwise, adjust the substrate structure model according to the substrate performance index requirement; The length and structural form of the substrate are determined according to the optimized substrate structure model, the substrate pattern and development technical requirements are output, and the additive manufacturing substrate design is completed.

2. A system applied to the design method of additive manufacturing substrate according to claim 1, characterized in that: include: The first module is used to obtain the performance index requirements of the substrate; The second module is based on the first module and is used to select material characteristics of the substrate and determine the first design solution; The third module is to obtain the engineering schematic diagram of the substrate in the additive manufacturing substrate design task, and to construct and optimize the substrate structure model according to the first design scheme; The fourth module determines the length and structural form of the substrate according to the optimized substrate structure model, outputs the substrate pattern and development technical requirements, and completes the additive manufacturing substrate design.

3. A computer-readable storage medium having a computer program stored thereon, characterized in that: When the computer program is executed by a processor, the steps of the method for designing an additive manufacturing substrate as claimed in claim 1 are implemented.

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