A product design method and system based on rendering technology

Abstract

The present application relates to the field of product design, and in particular to a product design method and system based on rendering technology, the method comprising: obtaining and analyzing product design information, determining a modeling target based on the information analysis results; creating a corresponding 3D model based on the modeling target; analyzing the modeling target, and determining a rendering node based on the modeling target analysis results; analyzing the characteristics of the rendering node, and determining the rendering task of each rendering node; and rendering designing the 3D model based on the rendering task of each rendering node. The present application distributes tasks by analyzing the characteristics of the rendering node, reduces the time used for the rendering process, and achieves accurate and orderly rendering.

Description

Technical Field

[0001] The present application relates to the field of product design, and in particular to a product design method and system based on rendering technology. Background Art

[0002] In product design, the product design is generally achieved by building relevant models, analyzing the required materials and textures, setting the light source, and then performing rendering on this basis.

[0003] However, existing rendering technology mainly generates realistic images or animations by simulating the interaction between light and the surface of an object through computers. This process involves complex mathematical models and algorithms. However, as the complexity of the design increases, the amount of rendering increases dramatically, resulting in significantly longer rendering time and chaotic rendering order, which affects the fluency of product design. Summary of the invention

[0004] The present application provides a product design method and system based on rendering technology to solve the above problems.

[0005] In a first aspect, the present application provides a product design method based on rendering technology, the method comprising:

[0006] Obtain and analyze product design information, and determine modeling goals based on the information analysis results;

[0007] According to the modeling target, create a corresponding 3D model;

[0008] Analyze the modeling target, and determine the rendering node according to the modeling target analysis result;

[0009] Analyze the characteristics of the rendering nodes and determine the rendering tasks of each rendering node;

[0010] The 3D model is rendered and designed according to the rendering task of each rendering node.

[0011] Through the above technical solutions, product design information is systematically acquired and analyzed, ensuring the accuracy and pertinence of modeling goals, and then creating high-quality 3D models. On this basis, through in-depth analysis of modeling goals and understanding of needs, rendering nodes and their specific tasks are scientifically and rationally determined, rendering time is reduced, and efficient and accurate rendering design of 3D models is achieved. In addition, the high degree of goal orientation, standardization of processes, clarification of tasks, and controllability of effects improve the fluency of product design, enhance the overall efficiency and quality of product design, modeling, and rendering, and help reduce rendering time and increase rendering speed.

[0012] Optionally, analyzing the product design information and determining the modeling target according to the information analysis result includes:

[0013] Perform simulation printing according to the product design information to obtain a simulation printing result;

[0014] Analyze the simulated printing result, determine the printing effect, and use the printing effect as the information analysis result;

[0015] Determining simulation parameters according to the simulation printing result; the simulation parameters include geometric parameters and material parameters;

[0016] Determine product design requirements based on the geometric parameters and material parameters;

[0017] The modeling target is determined according to the product design requirements.

[0018] Through the above technical solutions and the use of professional 3D printing software, all-round simulation and optimization from product design to printing preparation are achieved. Not only can the printing process be accurately simulated and the printing effect predicted, but the product design can also be adjusted according to the simulation results to ensure that the final 3D model meets the printing requirements. This significantly improves the accuracy and efficiency of product design, reduces the risk of printing errors and waste, and provides a more intuitive and convenient product design and printing experience.

[0019] Optionally, analyzing the simulated printing result to determine a printing effect, and using the printing effect as an information analysis result includes:

[0020] Extracting the product design information, and determining the design accuracy, design dimensions and design purpose;

[0021] Matching the printing effect with the design accuracy, the design size and the design purpose respectively;

[0022] According to the matching result, determining whether the printing effect is completely consistent with the design accuracy, the design size and the design purpose;

[0023] If they are not completely consistent, analyze the simulated printing results to determine the cause of the abnormality;

[0024] According to the abnormal cause, adjust and perform secondary simulation to obtain secondary simulation results;

[0025] The secondary simulation result is analyzed to determine the secondary printing effect, and the secondary printing effect is used as the information analysis result.

[0026] Through the method provided by this embodiment, the printing effect is matched with the product design information in detail, and the inconsistencies can be systematically identified. If a mismatch is found, the cause of the abnormality is determined by in-depth analysis of the simulated printing results, and then targeted adjustments are made, and a second simulation is performed to verify the improvement effect, thereby ensuring that the printing result meets the accuracy, size and purpose required by the design. Not only does it improve the accuracy and reliability of the printing quality, it also greatly reduces the waste of resources and time delays caused by the inconsistency between the design and the printing effect, thereby optimizing the overall production efficiency and product performance.

[0027] Optionally, determining the modeling target according to the product design requirements includes:

[0028] Analyzing the geometric parameters to determine the assembly relationship;

[0029] Determine the modeling scope based on the product design requirements;

[0030] Determine the modeling accuracy based on the product design requirements and preset industry standards;

[0031] A modeling target is determined according to the modeling scope, the assembly relationship and the modeling accuracy.

[0032] Through the above technical solutions, by deeply analyzing geometric parameters and determining assembly relationships, the accuracy and assemblability of product design are ensured, and design errors and assembly conflicts are effectively avoided. At the same time, the modeling scope and accuracy are determined according to product design requirements and preset industry standards, making the modeling work more targeted and efficient, which not only meets the design requirements but also complies with industry standards. Finally, the modeling goals are determined according to the modeling scope, assembly relationship and modeling accuracy, which provides a clear direction and guidance for the modeling work, promotes communication and collaboration among team members, and ensures the smooth progress of the modeling work and the improvement of product quality. It significantly improves the efficiency and quality of product design, reduces production costs, and enhances the reliability of the design.

[0033] Optionally, determining product design requirements according to the geometric parameters and material parameters includes:

[0034] Analyze the geometric parameters to obtain a designed length, a designed diameter and a designed angle;

[0035] Analyze the material parameters to obtain material composition, material density, material hardness and elastic modulus;

[0036] According to the elastic modulus, the design diameter, and the design length, a stability requirement is obtained;

[0037] Obtaining a load requirement according to the designed length, the designed diameter, and the material composition;

[0038] Obtaining wear requirements according to the material hardness and the simulated printing result;

[0039] Obtaining weight requirements according to the material density and the simulated printing results;

[0040] The stability requirement, the load-bearing requirement, the weight requirement and the wear requirement are taken as product design requirements.

[0041] Through the above technical scheme, by comprehensively analyzing the geometric parameters and material parameters, key information such as design length, design diameter, design angle, material composition, material density, material hardness, elastic modulus, etc. are systematically obtained. This information provides a solid foundation for subsequent product design. By comprehensively considering the elastic modulus, design diameter and design length, the scheme ensures that the stability requirements of the product are met; at the same time, according to the design length, design diameter and material composition, the load-bearing requirements of the product are accurately calculated. In addition, the scheme also combines the material hardness and the simulated printing results to scientifically evaluate the wear requirements of the product, and accurately obtains the weight requirements of the product based on the material density and simulated printing results. Finally, these requirements are integrated into product design requirements, providing a clear direction and basis for the overall design and optimization of the product. Improve the quality of product design by enhancing systematicity and improving accuracy.

[0042] Optionally, the stability requirement is obtained according to the elastic modulus, the design diameter, and the design length, referring to the following formula:

[0043] ;

[0044] in, represents the stability requirement, represents the elastic modulus, represents the design diameter, represents the design length;

[0045] The load requirement is obtained according to the design length, the design diameter, and the material composition, referring to the following formula:

[0046] ;

[0047] in, represents the carrying requirement, represents the design cross-sectional area, Indicates the degree and direction of the influence of the material content on the yield strength, Indicates the product design The influence parameters of chemical composition on the yield strength are: Indicates that the product design has The chemical content.

[0048] Through the above technical solution, the stability requirement and the load-bearing requirement are calculated respectively by two formulas, realizing a comprehensive evaluation of the structural design. By considering the influence of factors such as elastic modulus, design diameter, and design length on the stability requirement, and the influence of design cross-sectional area and material composition on the load-bearing requirement, the stability and load-bearing capacity requirements of the structure in actual application can be more accurately predicted and met, providing a scientific basis for rendering design and improving the reliability and safety of the design.

[0049] Optionally, the wear requirement is obtained according to the material hardness and the simulated printing result, referring to the following formula:

[0050] ;

[0051] in, represents the wear demand, represents the empirical coefficient, Indicates the hardness of the material, represents the sampling length, represents the contour offset function;

[0052] The weight requirement is obtained according to the material density and the simulated printing result, referring to the following formula:

[0053] ;

[0054] in, represents the weight requirement, represents the product volume obtained by analyzing the simulation printing result, It represents the product density obtained by analyzing the simulation printing result.

[0055] Through the above technical solution, the wear and weight requirements of the product are systematically calculated by combining multiple key parameters such as material hardness, simulated printing results, and material density. Comprehensive consideration of various factors that affect product wear and weight provides a scientific basis for product design and material selection, which helps to improve the durability and lightweight level of the product; by accurately calculating the wear and weight requirements, the product design can be optimized, product failure and energy consumption problems caused by excessive wear and weight can be reduced, and the overall performance and economic benefits of the product can be improved; the advantages of simulated printing technology are fully utilized, and the wear and weight characteristics of the product can be accurately predicted and analyzed during the product design stage, providing strong support for product optimization and improvement.

[0056] Optionally, creating a corresponding product design 3D model according to the modeling target includes:

[0057] Selecting the best modeling tool based on the product design information;

[0058] Create basic geometry using the best modeling tools described;

[0059] According to the product design requirements, the basic geometric shape is adjusted to obtain a refined geometric shape;

[0060] Create corresponding product design 3D model based on refined geometric shapes.

[0061] Through the above technical solutions, through a systematic process, starting from selecting the best modeling tool, gradually creating basic geometric shapes, and then making fine adjustments according to product design requirements, finally creating a product design 3D model that meets the requirements. By selecting the modeling tool that best suits product design requirements, the advantages of the tool can be fully utilized to improve modeling efficiency and quality; by gradually creating and adjusting geometric shapes, it can ensure that the model gradually approaches the product design intent and achieves a high-precision modeling effect; by creating the corresponding product design 3D model, the product appearance and details can be intuitively displayed, which can improve the accuracy and efficiency of product design.

[0062] Optionally, analyzing the characteristics of the rendering nodes to determine the rendering task of each rendering node includes:

[0063] Determining the rendering time, rendering speed and rendering difficulty of each rendering node according to the simulated printing result;

[0064] Determining a rendering priority according to the rendering time, the rendering speed, and the rendering difficulty;

[0065] The rendering task of each rendering node is determined according to the rendering priority, the rendering time, the rendering speed, and the rendering difficulty.

[0066] Through the above technical solution, by comprehensively considering the rendering time, rendering speed and rendering difficulty in the simulated printing results, the rendering tasks and their priorities of each rendering node can be scientifically and reasonably determined. The allocation of rendering resources is optimized, rendering efficiency is improved, and important and complex rendering tasks are ensured to be given priority, thereby speeding up the progress of the overall project. At the same time, considering the actual performance of the rendering nodes, the task distribution is more balanced, avoiding rendering delays or failures caused by uneven node loads.

[0067] In a second aspect, the present application provides a product design system based on rendering technology, the system comprising:

[0068] Information analysis module, used to obtain and analyze product design information, and determine product design requirements and modeling goals based on the information analysis results;

[0069] A model creation module, used to create a corresponding product design 3D model according to the modeling target;

[0070] A node determination module is used to analyze the product design requirements and determine the rendering nodes according to the requirements analysis results;

[0071] A task determination module, used to analyze the characteristics of the rendering nodes and determine the rendering task of each rendering node;

[0072] The rendering design module is used to perform rendering design on the 3D model according to the rendering task of each rendering node.

[0073] Optionally, the information analysis module is specifically used to:

[0074] Perform simulation printing according to the product design information to obtain a simulation printing result;

[0075] Analyze the simulated printing result, determine the printing effect, and use the printing effect as the information analysis result;

[0076] Determining simulation parameters according to the simulation printing result; the simulation parameters include geometric parameters and material parameters;

[0077] Determine product design requirements based on the geometric parameters and material parameters;

[0078] The modeling target is determined according to the product design requirements.

[0079] Optionally, the information analysis module is specifically used to:

[0080] Comparing the printing effect with the product design information to obtain a comparison result;

[0081] Extracting the product design information, and determining the design accuracy, design dimensions and design purpose;

[0082] Matching the printing effect with the design accuracy, the design size and the design purpose respectively;

[0083] According to the matching result, determining whether the printing effect is completely consistent with the design accuracy, the design size and the design purpose;

[0084] If they are not completely consistent, analyze the simulated printing results to determine the cause of the abnormality;

[0085] According to the abnormal cause, adjust and perform secondary simulation to obtain secondary simulation results;

[0086] The secondary simulation result is analyzed to determine the secondary printing effect, and the secondary printing effect is used as the information analysis result.

[0087] Optionally, the model creation module is specifically used to:

[0088] Analyzing the geometric parameters to determine the assembly relationship;

[0089] Determine the modeling scope based on the product design requirements;

[0090] Determine the modeling accuracy based on the product design requirements and preset industry standards;

[0091] A modeling target is determined according to the modeling scope, the assembly relationship and the modeling accuracy.

[0092] Optionally, the information analysis module is specifically used to:

[0093] Analyze the geometric parameters to obtain a designed length, a designed diameter and a designed angle;

[0094] Analyze the material parameters to obtain material composition, material density, material hardness and elastic modulus;

[0095] According to the elastic modulus, the design diameter, and the design length, a stability requirement is obtained;

[0096] Obtaining a load requirement according to the designed length, the designed diameter, and the material composition;

[0097] Obtaining wear requirements according to the material hardness and the simulated printing result;

[0098] Obtaining weight requirements according to the material density and the simulated printing results;

[0099] The stability requirement, the load-bearing requirement, the weight requirement and the wear requirement are taken as product design requirements.

[0100] Optionally, the information analysis module is specifically used to:

[0101] According to the elastic modulus, the design diameter, and the design length, the stability requirement is obtained, referring to the following formula:

[0102] ;

[0103] in, represents the stability requirement, represents the elastic modulus, represents the design diameter, represents the design length;

[0104] The load requirement is obtained according to the design length, the design diameter, and the material composition, referring to the following formula:

[0105] ;

[0106] in, represents the carrying requirement, represents the design cross-sectional area, Indicates the degree and direction of the influence of the material content on the yield strength, Indicates the product design The influence parameters of chemical composition on the yield strength are: Indicates that the product design has The chemical content.

[0107] Optionally, the information analysis module is specifically used to:

[0108] According to the material hardness and the simulated printing results, the wear requirement is obtained, referring to the following formula:

[0109] ;

[0110] in, represents the wear demand, represents the empirical coefficient, Indicates the hardness of the material, represents the sampling length, represents the contour offset function;

[0111] The weight requirement is obtained according to the material density and the simulated printing result, referring to the following formula:

[0112] ;

[0113] in, represents the weight requirement, represents the product volume obtained by analyzing the simulation printing result, It represents the product density obtained by analyzing the simulation printing result.

[0114] Optionally, the model creation module is specifically used to:

[0115] Selecting the best modeling tool based on the product design information;

[0116] Create basic geometry using the best modeling tools described;

[0117] According to the product design requirements, the basic geometric shape is adjusted to obtain a refined geometric shape;

[0118] Create corresponding product design 3D model based on refined geometric shapes.

[0119] Optionally, the task determination module is specifically used to:

[0120] Determining the rendering time, rendering speed and rendering difficulty of each rendering node according to the simulated printing result;

[0121] Determining a rendering priority according to the rendering time, the rendering speed, and the rendering difficulty;

[0122] The rendering task of each rendering node is determined according to the rendering priority, the rendering time, the rendering speed, and the rendering difficulty.

[0123] Optionally, the rendering design module is specifically used to:

[0124] According to the rendering task of each rendering node, rendering data is obtained and a rendering design tool is initialized;

[0125] Transmitting the rendering data to the rendering design tool according to the corresponding data interface;

[0126] The rendering design tool performs rendering design on the 3D model according to the rendering priority. BRIEF DESCRIPTION OF THE DRAWINGS

[0127] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, a brief introduction will be given below to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0128] Figure 1 A schematic diagram of an application scenario provided for an embodiment of the present application;

[0129] Figure 2 A flowchart of a product design method based on rendering technology provided in one embodiment of the present application;

[0130] Figure 3 A schematic diagram of the structure of a product design system based on rendering technology provided in one embodiment of the present application. DETAILED DESCRIPTION

[0131] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0132] In addition, the term "and / or" in this article is only a description of the association relationship of associated objects, indicating that there can be three relationships. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in this article, unless otherwise specified, generally means that the associated objects before and after are in an "or" relationship.

[0133] The embodiments of the present application are further described in detail below in conjunction with the drawings in the specification.

[0134] Existing rendering technology mainly generates realistic images or animations by simulating the interaction between light and the surface of an object through computers. This process involves complex mathematical models and algorithms. However, as the complexity of the design increases, the amount of rendering increases dramatically, resulting in significantly longer rendering time and chaotic rendering order, which affects the fluency of product design.

[0135] Based on this, the present application provides a product design method and system based on rendering technology, which extracts and analyzes product design information, determines the corresponding modeling target and creates the corresponding 3D model, analyzes the product design requirements to determine the rendering nodes, and after analyzing the rendering characteristics, allocates the rendering tasks, reduces the rendering time, and renders the 3D model according to the allocated rendering tasks, thereby realizing the rendering design of the product. By analyzing the characteristics of the rendering nodes, the product design requirements are further clarified, and the rendering tasks are allocated, making the rendering process more orderly and smooth, and improving the accuracy and fluency of the rendering.

[0136] Figure 1 A schematic diagram of an application scenario provided by this application. When a product needs to be rendered, the method provided by this application is applied.

[0137] Specifically, the method provided in the present application is applied to any server, the server interacts with the terminal device of the demander, the server obtains the product design information sent by the terminal device of the demander, analyzes the product design information sent by the terminal device of the demander, obtains the analysis results and creates a 3D model based on the analysis, analyzes the rendering characteristics of the product design and allocates the product design rendering tasks, and renders the 3D model according to the allocated rendering tasks, thereby reducing the rendering time and improving the rendering efficiency.

[0138] For specific implementation methods, please refer to the following embodiments.

[0139] Figure 2 This is a flowchart of a product design method based on rendering technology provided by an embodiment of the present application. The method of this embodiment can be applied to the server in the above scenario. Figure 2 As shown, the method includes:

[0140] S201. Acquire and analyze product design information, and determine modeling objectives based on information analysis results.

[0141] Product design information may be information sent by the demander that requires product design, and may include the volume, length, density, and material of the product.

[0142] The modeling goal may be a specific modeling direction and standard determined based on the analysis results of the product design information.

[0143] Specifically, an information receiving channel is established, and product design information sent from the terminal device of the demander is received through the information receiving channel. The received product design information is preprocessed, and the demand is identified for the preprocessed product design information. The identified demand is classified and sorted to obtain a product design demand list. According to the demand list, what functions the product design needs to achieve are analyzed. The product functions can be practical functions, operational functions, and social functions. The product design information analysis results are obtained, and the modeling target is determined according to the product design information analysis results.

[0144] S202: Create a corresponding 3D model according to the modeling target.

[0145] A 3D model can be a three-dimensional model created based on the modeling target of product design. A 3D model can include geometric shapes, material textures, and internal structures and functional components.

[0146] Specifically, analyze the modeling goals, determine the specific requirements of the model, use the basic geometry of the 3D modeling software to create the basic shape of the model, and then perform detailed carving on the basic geometry based on the basic geometry to make the corresponding 3D model more in line with the requirements of product design.

[0147] S203: Analyze the modeling target, and determine the rendering node according to the modeling target analysis result.

[0148] Render nodes can be the basic building blocks in a rendering tool, each of which performs a specific rendering task or function. Render nodes can include material nodes, light nodes, camera nodes, environment nodes, and post-processing nodes.

[0149] Specifically, according to the above product design requirements list, analyze the use environment of the modeling target, decompose the use environment into multiple simple components, determine the function and role of each simple component, and obtain the modeling target analysis result. According to the modeling target analysis result, select the appropriate rendering tool, and determine the rendering node according to the different components of the use environment.

[0150] S204: Analyze the characteristics of the rendering nodes and determine the rendering task of each rendering node.

[0151] A rendering task can be a series of operations that a rendering tool needs to perform when processing a 3D model. It can include lighting calculations, material application, and camera settings.

[0152] Specifically, the characteristics of the rendering nodes are analyzed. Different rendering nodes may be responsible for processing different visual elements such as materials, lighting, shadows, depth of field and post-effects. According to the product design requirements list, the computing performance of the rendering nodes in materials, lighting, shadows, depth of field and post-effects is evaluated. According to the above printing effect, whether the information presented by the printing effect corresponds to the product design information is detected to obtain the detection result. According to the detection result, the compatibility of the rendering node with the currently used 3D modeling software and rendering software is judged. If the information presented by the printing effect corresponds to the product design information, it is judged that the compatibility of the currently used 3D modeling software and rendering software is strong. If the information presented by the printing effect does not correspond to the product design information, it is necessary to check the rendering software and 3D modeling software to replace the rendering software or 3D modeling software. The rendering software determines the task of the rendering node according to the above computing performance based on the characteristics of the rendering node.

[0153] S205 , performing rendering design on the 3D model according to the rendering task of each rendering node.

[0154] Specifically, import the created 3D model into the rendering software, control the startup of the 3D model in the selected rendering software, prepare for rendering settings, and adjust the physical properties of the modeling material according to the product design requirements list. Then, according to the rendering task of each rendering node, add the light source type to the rendering scene, adjust the resolution and quality of the shadow, set the camera, use the real-time rendering preview function to view the camera's perspective and rendering effect, and adjust the camera's parameters and position according to the preview results. Adjust the rendering parameters in the rendering settings window and start rendering.

[0155] Through the above technical solutions, product design information is systematically acquired and analyzed, ensuring the accuracy and pertinence of modeling goals, and then creating high-quality 3D models. On this basis, through in-depth analysis of modeling goals and understanding of needs, rendering nodes and their specific tasks are scientifically and rationally determined, rendering time is reduced, and efficient and accurate rendering design of 3D models is achieved. In addition, the high degree of goal orientation, standardization of processes, clarification of tasks, and controllability of effects improve the fluency of product design, enhance the overall efficiency and quality of product design, modeling, and rendering, and help reduce rendering time and increase rendering speed.

[0156] In some embodiments, simulated printing is performed based on product design information to obtain simulated printing results; the simulated printing results are analyzed to determine the printing effect, and the printing effect is used as the information analysis result; simulation parameters are determined based on the simulated printing results; product design requirements are determined based on geometric parameters and material parameters; and modeling targets are determined based on product design requirements.

[0157] Simulation parameters can be geometric parameters and material parameters.

[0158] Geometric parameters can be shape, size and proportion.

[0159] Material parameters can be material type, reflection and diffuse.

[0160] Product design requirements can be functional requirements, appearance requirements, material selection and manufacturing process.

[0161] Specifically, based on the existing product design information, use 3D printing software to simulate printing operations, analyze the simulated printing results, including evaluating the geometric shape, dimensional accuracy, surface quality, and material performance of the printed parts, to determine the printing effect, and use the printing effect as the information analysis result. Based on the simulated printing results, further determine the simulation parameters. Combine the simulation parameters and printing effects to clarify the product design requirements, and determine the modeling goals based on the product design requirements.

[0162] Through the method provided by this embodiment, all-round simulation and optimization from product design to printing preparation are achieved. It can not only accurately simulate the printing process and predict the printing effect, but also ensure that the final 3D model meets the printing requirements. It significantly improves the accuracy and efficiency of product design, reduces the risk of printing errors and waste, and provides a more intuitive and convenient product design and printing experience.

[0163] In some embodiments, product design information is extracted to determine the design accuracy, design size and design purpose; the printing effect is matched with the design accuracy, design size and design purpose respectively; based on the matching result, it is determined whether the printing effect is completely consistent with the design accuracy, design size and design purpose; if not completely consistent, the simulated printing result is analyzed to determine the cause of the abnormality; based on the cause of the abnormality, a secondary simulation is adjusted and performed to obtain a secondary simulation result; the secondary simulation result is analyzed to determine the secondary printing effect, and the secondary printing effect is used as the information analysis result.

[0164] Design accuracy can be the size, shape, position, surface quality and function of the product set in the design stage, which can achieve the expected accuracy and consistency during production and use. Design accuracy can include dimensional accuracy, geometric accuracy and surface quality.

[0165] The design purpose can be the application of the product in several aspects after it is designed. The design purpose can include entertainment purpose, cultural purpose and public purpose.

[0166] The abnormal reason may be an abnormal factor that affects the printing effect of the product. The abnormal reason may include parameter errors, garbled data and missing data.

[0167] Specifically, the key parameters of the product design are extracted from the product design information sent by the terminal device of the demander. The key parameters may include the design accuracy, design size and design purpose of the product. The printing effect is matched with the design accuracy, design size and design purpose respectively. According to the matching results, it is judged whether the printing effect is completely consistent with the design accuracy, design size and design purpose. If they are completely consistent, it means that the printing effect meets the design requirements. If they are not completely consistent, the influencing factors that cause the mismatch are analyzed, and according to the analysis results, an adjustment strategy is formulated. The printing parameters are modified according to the formulated adjustment strategy, and the simulation printing is re-performed to obtain the secondary simulation results.

[0168] Compare the secondary simulation results with the product design information again, pay special attention to the key points that did not match before, and evaluate whether the secondary simulation results meet the requirements of design accuracy, design size and design purpose. If the secondary simulation results are still not completely matched, make further iterative adjustments based on the new comparison results and analysis, and repeat the simulation, comparison and evaluation steps until the printing effect is basically consistent with the design requirements.

[0169] Through the method provided by this embodiment, the printing effect is matched with the product design information in detail, and the inconsistencies can be systematically identified. If a mismatch is found, the cause of the abnormality is determined by in-depth analysis of the simulated printing results, and then targeted adjustments are made, and a second simulation is performed to verify the improvement effect, thereby ensuring that the printing result meets the accuracy, size and purpose required by the design. Not only does it improve the accuracy and reliability of the printing quality, it also greatly reduces the waste of resources and time delays caused by the inconsistency between the design and the printing effect, thereby optimizing the overall production efficiency and product performance.

[0170] In some embodiments, geometric parameters are analyzed to determine assembly relationships; a modeling scope is determined based on product design requirements; a modeling accuracy is determined based on product design requirements and preset industry standards; and a modeling target is determined based on the modeling scope, assembly relationships, and modeling accuracy.

[0171] Preset industry standards can be the specifications, guidelines or technical requirements within a specific industry that need to be followed during product design, manufacturing and modeling to ensure that the quality and performance of the product meet the general industry standards or regulations.

[0172] Assembly relationships refer to how parts or components are connected, matched, and assembled to form the final product in product design. Assembly relationships can include connection methods, relative positions, and assembly sequences.

[0173] The modeling scope may be the scope of a product or component that needs to be created and represented in the 3D modeling process.

[0174] Modeling accuracy can be the degree of closeness between the 3D model and the actual product in terms of geometric shape, size, surface quality, etc.

[0175] Specifically, extract the geometric parameters of the product, evaluate which parameters have a direct impact on the product's performance, function, and appearance based on the product design requirements list, clarify which components the product is composed of, the interactions and connection methods between these components, analyze the assembly constraints between the components, and plan the assembly sequence of the components based on the product's structure and assembly constraints.

[0176] Determine product design requirements based on product functions, performance, appearance and purpose, and further identify key design elements that affect product design based on product design requirements. Determine the specific scope of modeling based on product design requirements and key design elements.

[0177] Match product design requirements with preset industry standards to determine the basic requirements for modeling accuracy. Comprehensively consider the basic requirements for modeling scope, assembly relationships, and modeling accuracy to clarify the specific goals of modeling.

[0178] Through the method provided by this embodiment, by deeply analyzing geometric parameters and determining assembly relationships, the accuracy and assemblability of product design are ensured, and design errors and assembly conflicts are effectively avoided. At the same time, the modeling scope and accuracy are determined according to product design requirements and preset industry standards, making the modeling work more targeted and efficient, which not only meets the design requirements but also complies with industry standards. Finally, the modeling target is determined according to the modeling scope, assembly relationship and modeling accuracy, ensuring the smooth progress of the modeling work and the improvement of product quality. The product design efficiency and quality are significantly improved, the production cost is reduced, and the reliability of the design is enhanced.

[0179] In some embodiments, geometric parameters are analyzed to obtain the design length, design diameter and design angle; material parameters are analyzed to obtain material composition, material density, material hardness and elastic modulus; stability requirements are obtained based on the elastic modulus, design diameter and design length; load-bearing requirements are obtained based on the design length, design diameter and material composition; wear requirements are obtained based on material hardness and simulated printing results; weight requirements are obtained based on material density and simulated printing results; stability requirements, load-bearing requirements, weight requirements and wear requirements are used as product design requirements.

[0180] The design length can be the length dimension set for a product (or a component in a product) in a specific direction.

[0181] The design diameter can be the cross-sectional length of a product (or part of it) in a specific direction in space.

[0182] The design angle can be the degree of inclination or curvature of a product (or part of it) relative to a reference direction or plane in space.

[0183] The simulated printing result can be obtained by performing simulated printing according to the product design information parameters.

[0184] The elastic modulus can be the proportional coefficient of the material in the elastic deformation stage, where stress and strain are in direct proportion.

[0185] Stability requirements can be the requirement during the product design process to ensure that the product can maintain structural stability during use or manufacturing without deformation, cracking or failure based on parameters such as elastic modulus, design diameter and design length.

[0186] The load requirement can be the sum of various loads and stresses that the product needs to withstand during use.

[0187] Wear demand can be the demand for gradual loss of material surface or degradation of performance due to friction, erosion, corrosion, etc. during the use of the product.

[0188] Weight requirements can be weight limitations or optimization goals that need to be considered when designing a product.

[0189] Specifically, based on the product design information sent by the demander's terminal, the geometric parameters in the product design information are extracted and analyzed, and the design length, design diameter and design angle are obtained according to the above product design requirement list. The specific composition of the material used in the product is determined through the material specification table, data provided by the supplier or material composition analysis. Material density is one of the basic properties of the material, and the material hardness is obtained through the historical hardness test. The elastic modulus is obtained through the elasticity test.

[0190] According to the elastic modulus, design diameter and design length, combined with structural mechanics calculation methods such as finite element analysis (FEA), calculate the stability requirements of the product under specific working conditions. According to the design length, design diameter and material composition, combined with the mechanical properties of the material (such as yield strength, tensile strength, etc.), calculate the load-bearing requirements of the product. Analyze the simulated printing results to obtain the volume of the product, and calculate the weight requirements of the product based on the material density and the volume of the product. If the weight exceeds the limit, consider lightweight design or choose materials with lower density. Based on the simulated printing results, according to the product design requirements list, use the finite element analysis method to conduct wear simulation tests on the product, and predict its wear behavior and life by calculating the stress and strain distribution of the material during the force process. Combine the material hardness with the simulated printing results to calculate the wear requirements of the product. If you need to improve the wear performance, you can consider using surface treatment, lubrication measures or replacing wear-resistant materials.

[0191] The stability requirements, load requirements, weight requirements and wear requirements are regarded as important components of product design requirements, and the impact of these factors on product performance, cost, reliability, etc. are comprehensively considered. In the product design process, corresponding design criteria and constraints are formulated according to these requirements to ensure that the final product can meet the expected usage requirements.

[0192] Through the method provided in this embodiment, by comprehensively analyzing the geometric parameters and material parameters, key information such as design length, design diameter, design angle, material composition, material density, material hardness, elastic modulus, etc. are systematically obtained. This information provides a solid foundation for subsequent product design. By comprehensively considering the elastic modulus, design diameter and design length, the solution ensures that the stability requirements of the product are met; at the same time, the load-bearing requirements of the product are accurately calculated based on the design length, design diameter and material composition. In addition, the solution also combines the material hardness and simulated printing results to scientifically evaluate the wear requirements of the product, and accurately derives the weight requirements of the product based on the material density and simulated printing results. Finally, these requirements are integrated into product design requirements, providing a clear direction and basis for the overall design and optimization of the product. Improve the quality of product design by enhancing systematicity and improving accuracy.

[0193] In some embodiments, the stability requirement is obtained according to the elastic modulus, the design diameter, and the design length, referring to the following formula:

[0194] ;

[0195] in, Indicates stable demand, represents the elastic modulus, represents the design diameter, Indicates the design length;

[0196] According to the design length, design diameter, and material composition, the load requirement is obtained, referring to the following formula:

[0197] ;

[0198] in, Indicates the carrying demand, represents the design cross-sectional area, Indicates the degree and direction of the influence of material composition on yield strength. Indicates the product design The influence parameters of chemical composition on yield strength are: Indicates that the product design has The chemical content.

[0199] Specifically, obtain the elastic modulus of the structure , which is the ability of a material to resist deformation when subjected to stress. To measure or determine the design diameter of a structure , which is the main dimension of the cross section of the structure. Measure or determine the design length of the structure , which is the principal dimension of the structure in the direction of the forces. Apply the stability requirement formula: Use the formula To calculate the stability requirement. , Design diameter and design length Substitute into the formula. Perform the calculation and get the stable demand result.

[0200] in, Refer to the following formula for calculation:

[0201] ;

[0202] in, represents the regression coefficient, represents a constant term, Indicates the product design in different time periods Temperature value, It represents the arithmetic mean of all temperature values ​​of the product design in different time periods. Indicates that product design The loading rate in a time period, Represents the arithmetic mean of the loading rates of the product design in all time periods, Represents the influencing parameter of loading rate.

[0203] Through the method provided by this embodiment, the stability requirement and the load-bearing requirement are calculated respectively by two formulas, thereby realizing a comprehensive evaluation of the structural design. By considering the influence of factors such as elastic modulus, design diameter, and design length on the stability requirement, and the influence of design cross-sectional area and material composition on the load-bearing requirement, the stability and load-bearing capacity requirements of the structure in practical applications can be more accurately predicted and met, providing a scientific basis for rendering design and improving the reliability and safety of the design.

[0204] In some embodiments, the wear requirement is obtained according to the material hardness and the simulated printing results, referring to the following formula:

[0205] ;

[0206] in, represents the wear demand, represents the empirical coefficient, Indicates the hardness of the material. represents the sampling length, Contour offset function;

[0207] According to the material density and simulation printing results, the weight requirement is obtained, refer to the following formula:

[0208] ;

[0209] in, Indicates the weight requirement, Indicates the product volume obtained based on the analysis of the simulated printing results. Indicates the product density obtained by analyzing the simulated printing results.

[0210] The contour offset function can be in the sampling length The vertical distance between each point on the surface contour of an object and a reference line (usually the mean line or the midline).

[0211] Specifically, get the hardness of the material , by measuring or simulating the product surface at a specific length The contour deviation function calculated by the contour change on As well as the sampling length, similarly, the volume of the product is analyzed from the simulated printing results and density Using the formula to calculate the wear demand. In this formula, is the empirical coefficient, is the material hardness, is the sampling length, is the contour offset function. First, calculate the absolute value integral of the contour offset function over the sampling length, that is, . Then divide this integral value by the sampling length Finally, the material hardness Multiply by the empirical factor , and then divided by the average profile offset to obtain the wear demand .

[0212] Using the formula to calculate the weight requirement. In this formula, Weight requirements, is the product volume, is the product density. Directly convert the product volume Multiply by product density , we can get the weight requirement Analyze the calculated wear and weight requirements and adjust material selection, printing parameters or product design based on these results to meet the desired wear and weight requirements.

[0213] Through the method provided in this embodiment, the wear and weight requirements of the product are systematically calculated by combining multiple key parameters such as material hardness, simulated printing results, and material density. Comprehensive consideration of various factors that affect product wear and weight provides a scientific basis for product design and material selection, which helps to improve the durability and lightweight level of the product; by accurately calculating the wear and weight requirements, the product design can be optimized, product failure and energy consumption problems caused by excessive wear and weight can be reduced, and the overall performance and economic benefits of the product can be improved; the advantages of simulated printing technology are fully utilized, and the wear and weight characteristics of the product can be accurately predicted and analyzed during the product design stage, providing strong support for product optimization and improvement.

[0214] In some embodiments, based on product design information, an optimal modeling tool is selected; based on the optimal modeling tool, a basic geometric shape is created; based on product design requirements, the basic geometric shape is adjusted to obtain a refined geometric shape; based on the refined geometric shape, a corresponding product design 3D model is created.

[0215] The best modeling tool can be the computer-aided design software or platform that can most efficiently and accurately create and modify product geometry during the product design process based on specific design requirements and goals. The best modeling tool can include geometric modeling capabilities, parametric design, and rendering and visualization capabilities.

[0216] Specifically, according to the product design information sent by the terminal device of the demander, determine the key information of the product such as function, appearance, material, size, etc. According to the above product design requirements list, compare the functional characteristics, ease of use, learning curve, price and other factors of different modeling tools, and select the best modeling tool according to design requirements and technical capabilities. Control the modeling tool to start, create the preliminary geometric shape of the product, and use the deformation tool to adjust the basic geometry to gradually approach the expected shape of the product design. According to the product design requirements, add necessary details to the model, such as holes, grooves, textures, etc. Use Boolean operation tools to combine or subtract different geometries to create complex shapes.

[0217] Apply appropriate materials and textures to the model to simulate the real appearance of the product, adjust the properties of the material to achieve the desired effect, and set up a suitable lighting environment to highlight the characteristics and details of the product. Use a renderer to render the model to generate high-quality images or animations. Export the completed product design 3D model to the required format. Perform post-processing as needed, such as fixing errors in the model, optimizing file size, etc. Get the corresponding 3D model.

[0218] Through the method provided in this embodiment, through a systematic process, starting from selecting the best modeling tool, gradually creating basic geometric shapes, and then making fine adjustments according to product design requirements, finally creating a product design 3D model that meets the requirements. By selecting the modeling tool that best suits the product design requirements, the advantages of the tool can be fully utilized to improve modeling efficiency and quality; by gradually creating and adjusting geometric shapes, it can be ensured that the model gradually approaches the product design intent and achieves a high-precision modeling effect; by creating a corresponding product design 3D model, the product appearance and details can be intuitively displayed, which can improve the accuracy and efficiency of product design.

[0219] In some embodiments, the rendering time, rendering speed and rendering difficulty of each rendering node are determined according to the simulated printing results; the rendering priority is determined according to the rendering time, rendering speed and rendering difficulty; the rendering task of each rendering node is determined according to the rendering priority and the rendering time, rendering speed and rendering difficulty.

[0220] Specifically, by simulating the printing process, we collect relevant data such as the rendering time, rendering speed, and rendering difficulty of each rendering node in the simulated environment, and conduct a detailed analysis of the collected data to identify nodes with longer rendering time, faster rendering speeds, and scenes or elements with greater rendering difficulty. According to the product design requirements list, we evaluate the urgency and importance of each rendering task.

[0221] Combine rendering time, rendering speed, and rendering difficulty to develop a reasonable rendering priority standard. For example, tasks that take a long time to render may have a higher priority so that they can be processed as early as possible, and tasks that are more difficult to render may need to be allocated more computing resources or optimized.

[0222] Assign a corresponding priority to each rendering task based on the priority criteria. You can use numbers or color coding to identify different priority levels, and evaluate the rendering capabilities of each node based on the rendering node's hardware configuration, software environment, and previous rendering performance.

[0223] Assign rendering tasks to each node based on rendering priority, rendering time, rendering speed, and rendering difficulty. For tasks with high rendering priority and high rendering difficulty, assign them to rendering nodes with stronger performance. For tasks with long rendering time, consider assigning them to multiple nodes in parallel to shorten the overall rendering time. During the rendering process, continuously monitor the rendering progress and performance of each node. If a node is found to have performance bottlenecks or a drop in rendering speed, adjust the task allocation strategy in a timely manner to ensure overall rendering efficiency.

[0224] Through the method provided by this embodiment, by comprehensively considering the rendering time, rendering speed and rendering difficulty in the simulated printing results, the rendering task and its priority of each rendering node can be determined scientifically and reasonably. The allocation of rendering resources is optimized, the rendering efficiency is improved, and it is ensured that important and complex rendering tasks can be processed first, thereby speeding up the progress of the overall project. At the same time, considering the actual performance of the rendering node, the task allocation is more balanced, avoiding rendering delays or failures caused by uneven node loads.

[0225] Figure 3 A structural diagram of a product design system based on rendering technology provided in an embodiment of the present application is shown in FIG. Figure 3 As shown, the product design system 300 based on rendering technology of this embodiment includes: an information analysis module 301 , a model creation module 302 , a node determination module 303 and a task determination module 304 .

[0226] The information analysis module 301 is used to obtain and analyze product design information, and determine product design requirements and modeling goals based on the information analysis results;

[0227] A model creation module 302 is used to create a corresponding product design 3D model according to the modeling target;

[0228] The node determination module 303 is used to analyze the modeling target and determine the rendering node according to the demand analysis result;

[0229] A task determination module 304 is used to analyze the characteristics of the rendering nodes and determine the rendering task of each rendering node;

[0230] The rendering design module 305 is used to perform rendering design on the 3D model according to the rendering task of each rendering node.

[0231] Optionally, the information analysis module 301 is specifically used to:

[0232] Perform simulation printing according to the product design information to obtain a simulation printing result;

[0233] Analyze the simulated printing result, determine the printing effect, and use the printing effect as the information analysis result;

[0234] Determining simulation parameters according to the simulation printing result; the simulation parameters include geometric parameters and material parameters;

[0235] Determine product design requirements based on the geometric parameters and material parameters;

[0236] The modeling target is determined according to the product design requirements.

[0237] Optionally, the information analysis module 301 is specifically used to:

[0238] Extracting the product design information, and determining the design accuracy, design dimensions and design purpose;

[0239] Matching the printing effect with the design accuracy, the design size and the design purpose respectively;

[0240] According to the matching result, determining whether the printing effect is completely consistent with the design accuracy, the design size and the design purpose;

[0241] If they are not completely consistent, analyze the simulated printing results to determine the cause of the abnormality;

[0242] According to the abnormal cause, adjust and perform secondary simulation to obtain secondary simulation results;

[0243] The secondary simulation result is analyzed to determine the secondary printing effect, and the secondary printing effect is used as the information analysis result.

[0244] Optionally, the model creation module 302 is specifically used to:

[0245] Analyzing the geometric parameters to determine the assembly relationship;

[0246] Determine the modeling scope based on the product design requirements;

[0247] Determine the modeling accuracy based on the product design requirements and preset industry standards;

[0248] A modeling target is determined according to the modeling scope, the assembly relationship and the modeling accuracy.

[0249] Optionally, the information analysis module 301 is specifically used to:

[0250] Analyze the geometric parameters to obtain a designed length, a designed diameter and a designed angle;

[0251] Analyze the material parameters to obtain material composition, material density, material hardness and elastic modulus;

[0252] According to the elastic modulus, the design diameter, and the design length, a stability requirement is obtained;

[0253] Obtaining a load requirement according to the designed length, the designed diameter, and the material composition;

[0254] Obtaining wear requirements according to the material hardness and the simulated printing result;

[0255] Obtaining weight requirements according to the material density and the simulated printing results;

[0256] The stability requirement, the load-bearing requirement, the weight requirement and the wear requirement are taken as product design requirements.

[0257] Optionally, the information analysis module 301 is specifically used to:

[0258] According to the elastic modulus, the design diameter, and the design length, the stability requirement is obtained, referring to the following formula:

[0259] ;

[0260] in, represents the stability requirement, represents the elastic modulus, represents the design diameter, represents the design length;

[0261] The load requirement is obtained according to the design length, the design diameter, and the material composition, referring to the following formula:

[0262] ;

[0263] in, represents the carrying requirement, represents the design cross-sectional area, Indicates the degree and direction of the influence of the material content on the yield strength, Indicates the product design The influence parameters of chemical composition on the yield strength are: Indicates that the product design has The chemical content.

[0264] Optionally, the information analysis module 301 is specifically used to:

[0265] According to the material hardness and the simulated printing results, the wear requirement is obtained, referring to the following formula:

[0266] ;

[0267] in, represents the wear demand, represents the empirical coefficient, Indicates the hardness of the material, represents the sampling length, represents the contour offset function;

[0268] The weight requirement is obtained according to the material density and the simulated printing result, referring to the following formula:

[0269] ;

[0270] in, represents the weight requirement, represents the product volume obtained by analyzing the simulation printing result, It represents the product density obtained by analyzing the simulation printing result.

[0271] Optionally, the model creation module 302 is specifically used to:

[0272] Selecting the best modeling tool based on the product design information;

[0273] Create basic geometry using the best modeling tools described;

[0274] According to the product design requirements, the basic geometric shape is adjusted to obtain a refined geometric shape;

[0275] Create corresponding product design 3D model based on refined geometric shapes.

[0276] Optionally, the task determination module 304 is specifically configured to:

[0277] Determining the rendering time, rendering speed and rendering difficulty of each rendering node according to the simulated printing result;

[0278] Determining a rendering priority according to the rendering time, the rendering speed, and the rendering difficulty;

[0279] The rendering task of each rendering node is determined according to the rendering priority, the rendering time, the rendering speed, and the rendering difficulty.

[0280] Optionally, the rendering design module 305 is specifically used for:

[0281] According to the rendering task of each rendering node, rendering data is obtained and a rendering design tool is initialized;

[0282] Transmitting the rendering data to the rendering design tool according to the corresponding data interface;

[0283] The rendering design tool performs rendering design on the 3D model according to the rendering priority.

[0284] The system of this embodiment can be used to execute the method of any of the above embodiments. The implementation principles and technical effects are similar and will not be described in detail here.

Claims

1. A product design method based on rendering technology, characterized in that: include: Obtain and analyze product design information, and determine modeling goals based on the information analysis results; According to the modeling target, create a corresponding 3D model; Analyze the modeling target, and determine the rendering node according to the modeling target analysis result; Analyze the characteristics of the rendering nodes and determine the rendering tasks of each rendering node; Performing rendering design on the 3D model according to the rendering task of each rendering node; The analyzing the modeling target and determining the rendering node according to the modeling target analysis result includes: analyzing the use environment of the modeling target, decomposing the use environment into multiple components, determining the function and role of each component, and taking the function and role of each component as the modeling target analysis result; selecting a rendering tool according to the modeling target analysis result, and determining the rendering node according to the components of the use environment; The analyzing the characteristics of the rendering nodes and determining the rendering tasks of each rendering node includes: Perform simulation printing according to the product design information to obtain a simulation printing result; Determining the rendering time, rendering speed and rendering difficulty of each rendering node according to the simulated printing result; Determining a rendering priority according to the rendering time, the rendering speed, and the rendering difficulty; Determining a rendering task for each rendering node according to the rendering priority, the rendering time, the rendering speed, and the rendering difficulty; The analyzing of product design information and determining the modeling target according to the information analysis result include: Analyze the simulated printing results according to the product design information, including evaluating the geometric shape, dimensional accuracy, surface quality and material performance of the printed part, determine the printing effect, and use the printing effect as the information analysis result; Determining simulation parameters according to the simulation printing result; the simulation parameters include geometric parameters and material parameters; Determine product design requirements based on the geometric parameters and material parameters; Determining the modeling target according to the product design requirements; Determining product design requirements according to the geometric parameters and material parameters includes: Analyze the geometric parameters to obtain a designed length, a designed diameter and a designed angle; Analyze the material parameters to obtain material composition, material density, material hardness and elastic modulus; According to the elastic modulus, the design diameter, and the design length, a stability requirement is obtained; Obtaining a load requirement according to the designed length, the designed diameter, and the material composition; Obtaining wear requirements according to the material hardness and the simulated printing result; Obtaining weight requirements according to the material density and the simulated printing results; The stability requirement, the load-bearing requirement, the weight requirement and the wear requirement are taken as product design requirements.

2. The method according to claim 1, characterized in that The step of analyzing the simulated printing result, determining the printing effect, and using the printing effect as the information analysis result includes: Extracting the product design information, and determining the design accuracy, design dimensions and design purpose; Matching the printing effect with the design accuracy, the design size and the design purpose respectively; According to the matching result, determining whether the printing effect is completely consistent with the design accuracy, the design size and the design purpose; If they are not completely consistent, analyze the simulated printing results to determine the cause of the abnormality; According to the abnormal cause, adjust and perform secondary simulation to obtain secondary simulation results; The secondary simulation result is analyzed to determine the secondary printing effect, and the secondary printing effect is used as the information analysis result.

3. The method according to claim 1, characterized in that Determining the modeling target according to the product design requirements includes: Analyzing the geometric parameters to determine the assembly relationship; Determine the modeling scope based on the product design requirements; Determine the modeling accuracy based on the product design requirements and preset industry standards; A modeling target is determined according to the modeling scope, the assembly relationship and the modeling accuracy.

4. The method according to claim 1, characterized in that: The stability requirement is obtained according to the elastic modulus, the design diameter, and the design length, referring to the following formula: ； in, represents the stability requirement, represents the elastic modulus, represents the design diameter, represents the design length; The load requirement is obtained according to the design length, the design diameter, and the material composition, referring to the following formula: ； in, represents the carrying requirement, represents the design cross-sectional area, Indicates the degree and direction of the influence of the material content on the yield strength, Indicates the product design The influence parameters of chemical composition on the yield strength are: Indicates that the product design has The chemical content.

5. The method according to claim 1, characterized in that The wear requirement is obtained according to the material hardness and the simulation printing result, referring to the following formula: ； in, represents the wear demand, represents the empirical coefficient, Indicates the hardness of the material, represents the sampling length, represents the contour offset function; The weight requirement is obtained according to the material density and the simulated printing result, referring to the following formula: ； in, represents the weight requirement, represents the product volume obtained by analyzing the simulation printing result, It represents the product density obtained by analyzing the simulation printing result.

6. The method according to claim 1, characterized in that The step of creating a corresponding product design 3D model according to the modeling target includes: Selecting the best modeling tool based on the product design information; Create basic geometry using the best modeling tools described; According to the product design requirements, the basic geometric shape is adjusted to obtain a refined geometric shape; Create corresponding product design 3D model based on refined geometric shapes.

7. A product design system based on rendering technology, characterized in that: Applied to perform the method according to any one of claims 1 to 6, comprising: Information analysis module, used to obtain and analyze product design information, and determine product design requirements and modeling goals based on the information analysis results; A model creation module, used to create a corresponding product design 3D model according to the modeling target; A node determination module is used to analyze the product design requirements and determine the rendering nodes according to the requirements analysis results; A task determination module, used to analyze the characteristics of the rendering nodes and determine the rendering task of each rendering node; The rendering design module is used to perform rendering design on the 3D model according to the rendering task of each rendering node.

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