Software for simulation and optimum design of warm-hot formation

A technology of warm forming and optimized design, which is applied in computing, special data processing applications, instruments, etc., and can solve the problems of cold stamping forming process that cannot be formed

Inactive Publication Date: 2010-01-13
CHANGCHUN WEIFUTE AUTOMOBILE PARTS
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Problems solved by technology

Especially when the strength reaches 1500MPa, the conventional cold stamping forming process can hardly form

Method used

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  • Software for simulation and optimum design of warm-hot formation
  • Software for simulation and optimum design of warm-hot formation
  • Software for simulation and optimum design of warm-hot formation

Examples

Experimental program
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Embodiment Construction

[0015] In the warm forming simulation, establish the CAE analysis model of the mold, input the thermodynamic parameters of the material at different temperatures or the material model provided by the application software itself, and then input the relevant process parameters, contact conditions and select the corresponding calculation method, etc., to complete the above Perform numerical calculations after the operation, and finally view the obtained simulation results in the software post-processing interface, for example figure 2 , image 3 , Figure 4 , Figure 5 shown.

[0016] On the basis of the above warm forming simulation, the optimal design of warm forming is carried out to obtain the best process parameters and mold design scheme.

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Abstract

The invention provides software for simulation and optimum design of warm-hot formation of high-strength steel plate, automobile and aviation aluminum-magnesium alloy and composite materials used in an automobile. The software introduces a multi-scale constitutive model and considers the rate dependence and the temperature dependence of the materials, simultaneously the software also considers the contact property of the plate and the die during the heat conduction, deformation and high temperature of the die in the warm-hot forming process, the warm-hot forming simulation is carried out by introducing multi-field coupling factors such as temperature, mechanics, phase change and the like and non-linear problems such as geometry, physics and the like, and the simulation results show temperature distribution, thickness distribution, strain stress distribution, hardness distribution, material tissue percentage, material forming limit diagram and the like in the whole process of the warm-hot formation of the materials. By the optimum design of the warm-hot formation based on the warm-hot simulation, the optimal process parameters and die design schemes can be obtained.

Description

technical field [0001] The invention relates to warm forming simulation and optimization design software for light-weight high-strength steel plates for automobiles and light-weight aluminum-magnesium alloys and composite materials for automobiles and aerospace. Background technique [0002] At present, safety, environmental protection, and energy saving have become the themes of the development of the automobile manufacturing industry. The use of high-strength steel stamping parts to manufacture the body can not only reduce the weight of the car body, but also improve safety. good way. High-strength steel plate, the higher the strength, the harder it is to form. Especially when the strength reaches 1500MPa, the conventional cold stamping forming process can hardly be formed. Therefore, how to realize high-precision stamping of high-strength steel sheets has become an urgent technical problem to be solved. Warm forming technology (also known as hot stamping technology) is...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/50
Inventor 胡平马宁武文华郭威
Owner CHANGCHUN WEIFUTE AUTOMOBILE PARTS
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