Casting-extruding-welding integrated manufacturing optimization method for alloy component and terminal

Abstract

The invention discloses a casting-extrusion-welding integrated manufacturing optimization method of an alloy component and a terminal. A finite element model of an integrated process corresponding to the alloy component is established, and the integrated process comprises a casting process, an extrusion process and a welding process which are sequentially completed; preset production equipment parameters corresponding to the integrated process are obtained, and according to the finite element model and the preset production equipment parameters, a predicted deformation result and predicted residual stress of the alloy component are analyzed and obtained; adjusting preset production equipment parameters according to the predicted deformation result and the predicted residual stress to obtain optimal production equipment parameters; and adjusting the production equipment of the integrated process according to the optimal production equipment parameters. The material waste of the alloy component in the casting-extruding-welding integrated manufacturing process is reduced, and the finished product quality and the production efficiency are improved.

Description

Technical Field

[0001] The invention relates to the technical field of alloy component manufacturing, and in particular to a casting-extrusion-welding integrated manufacturing optimization method and a terminal for alloy components. Background Art

[0002] With the rapid development of aerospace, high-speed rail and other fields, the demand for aluminum alloy structural parts, a high-strength and lightweight material, is increasing. The existing aluminum alloy structural parts manufacturing optimization method includes: first, the aluminum alloy melt is injected into the mold through casting technology to obtain the preliminary shape of the structural part; then, the cast parts are extruded to obtain the required structure and further improve the mechanical properties of the structural part; finally, on the basis of extrusion, different aluminum alloy profiles are connected into a complete structural part through welding methods such as stir friction welding and laser welding, realizing casting-extrusion-welding integrated manufacturing.

[0003] However, since the entire production process involves multiple links and there are influences between the multiple links, the final yield of the aluminum alloy structural parts is difficult to control, and material waste is inevitable during the processing, which also affects production efficiency. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide a casting-extrusion-welding integrated manufacturing optimization method and terminal for alloy components, reduce material waste in the casting-extrusion-welding integrated manufacturing process of alloy components, and improve finished product quality and production efficiency.

[0005] In order to solve the above technical problems, the technical solution adopted by the present invention is:

[0006] A casting-extrusion-welding integrated manufacturing optimization method for an alloy component comprises the following steps:

[0007] S1. Establishing a finite element model of the alloy component corresponding to the integration process, wherein the integration process includes a casting process, an extrusion process, and a welding process that are completed in sequence;

[0008] S2. Obtaining preset production equipment parameters corresponding to the integration process, and analyzing and obtaining the predicted deformation result and predicted residual stress of the alloy component according to the finite element model and the preset production equipment parameters;

[0009] S3. According to the predicted deformation result and the predicted residual stress, adjusting the preset production equipment parameters to obtain optimal production equipment parameters;

[0010] S4. Adjusting the production equipment of the integrated process according to the optimal production equipment parameters.

[0011] In order to solve the above technical problems, another technical solution adopted by the present invention is:

[0012] A casting-extrusion-welding integrated manufacturing optimization terminal for alloy components includes a memory, a processor, and a computer program stored in the memory and executable on the processor. When the processor executes the computer program, the following steps are implemented:

[0013] S1. Establishing a finite element model of the alloy component corresponding to the integration process, wherein the integration process includes a casting process, an extrusion process, and a welding process that are completed in sequence;

[0014] S2. Obtaining preset production equipment parameters corresponding to the integration process, and analyzing and obtaining the predicted deformation result and predicted residual stress of the alloy component according to the finite element model and the preset production equipment parameters;

[0015] S3. According to the predicted deformation result and the predicted residual stress, adjusting the preset production equipment parameters to obtain optimal production equipment parameters;

[0016] S4. Adjusting the production equipment of the integrated process according to the optimal production equipment parameters.

[0017] The beneficial effects of the present invention are: providing a casting-extrusion-welding integrated manufacturing optimization method and terminal for alloy components, corresponding to the casting, extrusion and welding integrated manufacturing process of the alloy components, establishing a finite element model to simulate the model change process of the component, and combining the preset production equipment parameters to analyze and predict the deformation results and residual stress, and based on this, feedback adjustment and obtain the optimal production equipment parameters, thereby improving the production equipment of the integrated process, reducing material waste of alloy components in the casting-extrusion-welding integrated manufacturing process, and improving the quality of finished products and production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A schematic diagram of the steps of a casting-extrusion-welding integrated manufacturing optimization method for an alloy component of the present invention;

[0019] Figure 2 The present invention is a system block diagram of a casting-extrusion-welding integrated manufacturing optimization terminal for an alloy component.

[0020] Description of labels:

[0021] 1. A casting-extrusion-welding integrated manufacturing optimization terminal for alloy components; 2. Memory; 3. Processor. DETAILED DESCRIPTION

[0022] In order to explain the technical content, achieved objectives and effects of the present invention in detail, the following is an explanation in combination with the implementation modes and the accompanying drawings.

[0023] Please refer to Figure 1 , a casting-extrusion-welding integrated manufacturing optimization method for alloy components, comprising the following steps:

[0024] S1. Establishing a finite element model of the alloy component corresponding to the integration process, wherein the integration process includes a casting process, an extrusion process, and a welding process that are completed in sequence;

[0025] S2. Obtaining preset production equipment parameters corresponding to the integration process, and analyzing and obtaining the predicted deformation result and predicted residual stress of the alloy component according to the finite element model and the preset production equipment parameters;

[0026] S3. According to the predicted deformation result and the predicted residual stress, adjusting the preset production equipment parameters to obtain optimal production equipment parameters;

[0027] S4. Adjusting the production equipment of the integrated process according to the optimal production equipment parameters.

[0028] From the above description, it can be seen that the beneficial effects of the present invention are: corresponding to the integrated manufacturing process of casting, extrusion and welding of alloy components, a finite element model is established to simulate the model change process of the component, and the deformation result and residual stress are predicted in combination with the preset production equipment parameters, and feedback adjustment is performed based on this to obtain the optimal production equipment parameters, thereby improving the production equipment of the integrated process, reducing material waste in the casting-extrusion-welding integrated manufacturing process of alloy components, and improving the quality of finished products and production efficiency.

[0029] Furthermore, the step S2 further includes:

[0030] Creating a first quantitative relationship between a casting parameter of the casting process and an extrusion parameter of the extrusion process, and creating a second quantitative relationship between the extrusion parameter of the extrusion process and a welding parameter of the welding process;

[0031] According to the finite element model, the first quantitative relationship, the preset production equipment parameters and the second quantitative relationship, the predicted deformation result and the predicted residual stress of the alloy component are analyzed and obtained.

[0032] From the above description, it can be seen that when analyzing the predicted deformation results and predicted residual stresses of alloy components, the first quantitative relationship between the casting parameters and the extrusion parameters of the extrusion process is fully combined, and the second quantitative relationship between the extrusion parameters of the extrusion process and the welding parameters of the welding process is created. The influence between different processes is considered to improve the adaptability of the analysis process and the integration concept, so that the prediction results are more accurate.

[0033] Furthermore, the step S3 is specifically as follows:

[0034] A simulation optimization model is established, and the predicted deformation result and the predicted residual stress are used as input to obtain the optimal production equipment parameters output by the simulation optimization model.

[0035] From the above description, it can be seen that the simulation optimization model can be used to automatically generate the optimal production equipment parameters, reducing manual intervention and time costs.

[0036] Furthermore, the step S3 further includes:

[0037] Sample data including deformation results and residual stresses of alloy components corresponding to different equipment parameters are obtained, and model training is performed on the simulation optimization model according to the sample data.

[0038] From the above description, it can be seen that a large amount of sample data is used to train the simulation optimization model in order to improve the accuracy of the model analysis results and enhance the data reliability of the optimal production equipment parameters.

[0039] Furthermore, the establishment of a finite element model corresponding to the integration process of the alloy component includes:

[0040] A casting finite element model, an extrusion finite element model and a welding finite element model of the alloy component are established, and the compatibility between the casting finite element model and the extrusion finite element model and between the extrusion finite element model and the welding finite element model is established, and the expressions are:

[0041]

[0042]

[0043] in, represents the Laplace operator, σ represents stress, ρ represents density, k represents thermal conductivity, and T represents temperature.

[0044] From the above description, it can be seen that when constructing the finite element model of the alloy component, models are established respectively for the casting process, extrusion process and welding process, and the interoperability and compatibility of each model are established to ensure that the model analysis corresponds to the integrated manufacturing process and realize simulation.

[0045] Please refer to Figure 2 , a casting-extrusion-welding integrated manufacturing optimization terminal 1 for alloy components, comprising a memory 2, a processor 3, and a computer program stored in the memory 2 and executable on the processor 3, wherein the processor 3 implements the following steps when executing the computer program:

[0046] S1. Establishing a finite element model of the alloy component corresponding to the integration process, wherein the integration process includes a casting process, an extrusion process, and a welding process that are completed in sequence;

[0047] S2. Obtaining preset production equipment parameters corresponding to the integration process, and analyzing and obtaining the predicted deformation result and predicted residual stress of the alloy component according to the finite element model and the preset production equipment parameters;

[0048] S3. According to the predicted deformation result and the predicted residual stress, adjusting the preset production equipment parameters to obtain optimal production equipment parameters;

[0049] S4. Adjusting the production equipment of the integrated process according to the optimal production equipment parameters.

[0050] From the above description, it can be seen that the beneficial effects of the present invention are: corresponding to the integrated manufacturing process of casting, extrusion and welding of alloy components, a finite element model is established to simulate the model change process of the component, and the deformation result and residual stress are predicted in combination with the preset production equipment parameters, and feedback adjustment is performed based on this to obtain the optimal production equipment parameters, thereby improving the production equipment of the integrated process, reducing material waste in the casting-extrusion-welding integrated manufacturing process of alloy components, and improving the quality of finished products and production efficiency.

[0051] Furthermore, the step S2 further includes:

[0052] Creating a first quantitative relationship between a casting parameter of the casting process and an extrusion parameter of the extrusion process, and creating a second quantitative relationship between the extrusion parameter of the extrusion process and a welding parameter of the welding process;

[0053] According to the finite element model, the first quantitative relationship, the preset production equipment parameters and the second quantitative relationship, the predicted deformation result and the predicted residual stress of the alloy component are analyzed and obtained.

[0054] From the above description, it can be seen that when analyzing the predicted deformation results and predicted residual stresses of alloy components, the first quantitative relationship between the casting parameters and the extrusion parameters of the extrusion process is fully combined, and the second quantitative relationship between the extrusion parameters of the extrusion process and the welding parameters of the welding process is created. The influence between different processes is considered to improve the adaptability of the analysis process and the integration concept, so that the prediction results are more accurate.

[0055] Furthermore, the step S3 is specifically as follows:

[0056] A simulation optimization model is established, and the predicted deformation result and the predicted residual stress are used as input to obtain the optimal production equipment parameters output by the simulation optimization model.

[0057] From the above description, it can be seen that the simulation optimization model can be used to automatically generate the optimal production equipment parameters, reducing manual intervention and time costs.

[0058] Furthermore, the step S3 further includes:

[0059] Sample data including deformation results and residual stresses of alloy components corresponding to different equipment parameters are obtained, and model training is performed on the simulation optimization model according to the sample data.

[0060] From the above description, it can be seen that a large amount of sample data is used to train the simulation optimization model in order to improve the accuracy of the model analysis results and enhance the data reliability of the optimal production equipment parameters.

[0061] Furthermore, the establishment of a finite element model corresponding to the integration process of the alloy component includes:

[0062] A casting finite element model, an extrusion finite element model and a welding finite element model of the alloy component are established, and the compatibility between the casting finite element model and the extrusion finite element model and between the extrusion finite element model and the welding finite element model is established, and the expressions are:

[0063]

[0064]

[0065] in, represents the Laplace operator, σ represents stress, ρ represents density, k represents thermal conductivity, and T represents temperature.

[0066] From the above description, it can be seen that when constructing the finite element model of the alloy component, models are established respectively for the casting process, extrusion process and welding process, and the interoperability and compatibility of each model are established to ensure that the model analysis corresponds to the integrated manufacturing process and realize simulation.

[0067] Please refer to Figure 1 , Embodiment 1 of the present invention is:

[0068] A casting-extrusion-welding integrated manufacturing optimization method for an alloy component comprises the following steps:

[0069] S1. Establishing a finite element model of the alloy component corresponding to the integrated process, where the integrated process includes a casting process, an extrusion process, and a welding process that are completed in sequence;

[0070] In this embodiment, a casting finite element model, an extrusion finite element model and a welding finite element model of the alloy component are established, and the compatibility between the casting finite element model and the extrusion finite element model and between the extrusion finite element model and the welding finite element model is established. Specifically, the compatibility of the finite element simulation calculations between different processes is ensured by the following formula:

[0071]

[0072] in, represents the Laplace operator, σ represents stress, ρ represents density, k represents thermal conductivity, and T represents temperature; Formula (1) is the mechanical equilibrium equation, and Formula (2) is the heat transfer control equation.

[0073] S2. Obtaining preset production equipment parameters corresponding to the integrated process, and analyzing and obtaining predicted deformation results and predicted residual stresses of the alloy component according to the finite element model and the preset production equipment parameters;

[0074] In this embodiment, a first quantitative relationship is created between the casting parameters of the casting process and the extrusion parameters of the extrusion process, and a second quantitative relationship is created between the extrusion parameters of the extrusion process and the welding parameters of the welding process; based on the finite element model, the first quantitative relationship, the preset production equipment parameters and the second quantitative relationship, the predicted deformation results and predicted residual stresses of the alloy component are analyzed and obtained. The first quantitative relationship includes at least the quantitative relationship between the extrusion forming pressure and the casting solidification rate, and the second quantitative relationship includes at least the quantitative relationship between the extrusion forming pressure and the welding parameters. In the integrated manufacturing process, the preset production equipment parameters include parameters such as welding speed, welding sequence, and clamping position.

[0075] S3. According to the predicted deformation results and the predicted residual stress, the preset production equipment parameters are adjusted to obtain the optimal production equipment parameters;

[0076] In this embodiment, a simulation optimization model is established to obtain sample data including different equipment parameters and their corresponding deformation results and residual stresses of alloy components. The simulation optimization model is trained based on the sample data, with predicted deformation results and predicted residual stresses as input, to obtain the optimal production equipment parameters output by the simulation optimization model.

[0077] S4. Adjust the production equipment of the integrated process according to the optimal production equipment parameters.

[0078] Please refer to Figure 2 , Embodiment 2 of the present invention is:

[0079] A casting-extrusion-welding integrated manufacturing optimization terminal 1 for an alloy component comprises a memory 2, a processor 3 and a computer program stored in the memory 2 and executable on the processor 3. When the processor 3 executes the computer program, a casting-extrusion-welding integrated manufacturing optimization method for an alloy component of embodiment 1 is implemented.

[0080] In summary, the present invention provides a casting-extrusion-welding integrated manufacturing optimization method and terminal for alloy components, which corresponds to the casting, extrusion and welding integrated manufacturing process of the alloy components, establishes a finite element model to simulate the model change process of the component, and combines the preset production equipment parameters to analyze and predict the deformation results and residual stresses, and feedback and adjust to obtain the optimal production equipment parameters based on this, so as to improve the production equipment of the integrated process, reduce material waste of alloy components in the casting-extrusion-welding integrated manufacturing process, and improve the quality of finished products and production efficiency.

[0081] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent transformations made using the contents of the present invention's specification and drawings, or directly or indirectly applied in related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A casting-extrusion-welding integrated manufacturing optimization method for alloy components, characterized in that: The steps include: S1. Establishing a finite element model of the alloy component corresponding to the integration process, wherein the integration process includes a casting process, an extrusion process, and a welding process that are completed in sequence; S2. Obtaining preset production equipment parameters corresponding to the integration process, and analyzing and obtaining the predicted deformation result and predicted residual stress of the alloy component according to the finite element model and the preset production equipment parameters; S3. According to the predicted deformation result and the predicted residual stress, adjusting the preset production equipment parameters to obtain optimal production equipment parameters; S4. Adjusting the production equipment of the integrated process according to the optimal production equipment parameters.

2. The casting-extrusion-welding integrated manufacturing optimization method of an alloy component according to claim 1, characterized in that: The step S2 further comprises: Creating a first quantitative relationship between a casting parameter of the casting process and an extrusion parameter of the extrusion process, and creating a second quantitative relationship between the extrusion parameter of the extrusion process and a welding parameter of the welding process; According to the finite element model, the first quantitative relationship, the preset production equipment parameters and the second quantitative relationship, the predicted deformation result and the predicted residual stress of the alloy component are analyzed and obtained.

3. The casting-extrusion-welding integrated manufacturing optimization method of an alloy component according to claim 1, characterized in that: The step S3 is specifically as follows: A simulation optimization model is established, and the predicted deformation result and the predicted residual stress are used as input to obtain the optimal production equipment parameters output by the simulation optimization model.

4. The casting-extrusion-welding integrated manufacturing optimization method of an alloy component according to claim 3, characterized in that: The step S3 further comprises: Sample data including deformation results and residual stresses of alloy components corresponding to different equipment parameters are obtained, and model training is performed on the simulation optimization model according to the sample data.

5. The casting-extrusion-welding integrated manufacturing optimization method of an alloy component according to claim 1, characterized in that: The establishment of a finite element model corresponding to the integration process of the alloy component includes: A casting finite element model, an extrusion finite element model and a welding finite element model of the alloy component are established, and the compatibility between the casting finite element model and the extrusion finite element model and between the extrusion finite element model and the welding finite element model is established, and the expressions are: in, represents the Laplace operator, σ represents stress, ρ represents density, k represents thermal conductivity, and T represents temperature.

6. A casting-extrusion-welding integrated manufacturing optimization terminal for alloy components, comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, characterized in that: When the processor executes the computer program, the following steps are implemented: S1. Establishing a finite element model of the alloy component corresponding to the integration process, wherein the integration process includes a casting process, an extrusion process, and a welding process that are completed in sequence; S2. Obtaining preset production equipment parameters corresponding to the integration process, and analyzing and obtaining the predicted deformation result and predicted residual stress of the alloy component according to the finite element model and the preset production equipment parameters; S3. According to the predicted deformation result and the predicted residual stress, adjusting the preset production equipment parameters to obtain optimal production equipment parameters; S4. Adjusting the production equipment of the integrated process according to the optimal production equipment parameters.

7. The casting-extrusion-welding integrated manufacturing optimization terminal of an alloy component according to claim 6, characterized in that: The step S2 further comprises: Creating a first quantitative relationship between a casting parameter of the casting process and an extrusion parameter of the extrusion process, and creating a second quantitative relationship between the extrusion parameter of the extrusion process and a welding parameter of the welding process; According to the finite element model, the first quantitative relationship, the preset production equipment parameters and the second quantitative relationship, the predicted deformation result and the predicted residual stress of the alloy component are analyzed and obtained.

8. The casting-extrusion-welding integrated manufacturing optimization terminal of an alloy component according to claim 6, characterized in that: The step S3 is specifically as follows: A simulation optimization model is established, and the predicted deformation result and the predicted residual stress are used as input to obtain the optimal production equipment parameters output by the simulation optimization model.

9. The casting-extrusion-welding integrated manufacturing optimization terminal of an alloy component according to claim 8, characterized in that: The step S3 further comprises: Sample data including deformation results and residual stresses of alloy components corresponding to different equipment parameters are obtained, and model training is performed on the simulation optimization model according to the sample data.

10. The casting-extrusion-welding integrated manufacturing optimization terminal of an alloy component according to claim 6, characterized in that: The establishment of a finite element model corresponding to the integration process of the alloy component includes: A casting finite element model, an extrusion finite element model and a welding finite element model of the alloy component are established, and the compatibility between the casting finite element model and the extrusion finite element model and between the extrusion finite element model and the welding finite element model is established, and the expressions are: in, represents the Laplace operator, σ represents stress, ρ represents density, k represents thermal conductivity, and T represents temperature.

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