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Follow-up forecast method for milling deformation of complex integral structural components

A technology of overall structural parts and prediction methods, applied in special data processing applications, instruments, electrical digital data processing, etc., to achieve the effects of reducing production costs, utilizing and improving, and shortening trial production and production cycles

Inactive Publication Date: 2013-06-26
CHANGZHOU INST OF TECH
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Problems solved by technology

[0006] The purpose of the present invention is to solve the existing shortcomings of relying too much on manual experience in the milling deformation control of complex integral structural parts. Through the secondary development of ANSYS and Delphi, a method based on the "wall building" modeling method is invented to realize the complex integral structure. Active, fast and accurate parameterization of structural parts to establish finite element models and follow-up prediction of milling deformation

Method used

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  • Follow-up forecast method for milling deformation of complex integral structural components
  • Follow-up forecast method for milling deformation of complex integral structural components
  • Follow-up forecast method for milling deformation of complex integral structural components

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Embodiment Construction

[0020] The present invention will be further described below by way of examples.

[0021] Such as figure 1 The follow-up prediction method for the milling deformation of complex integral structural parts shown mainly includes the following steps:

[0022] The first step is to realize the modeling and analysis of complex overall structural parts, such as figure 2 As shown, computer simulation of processing is carried out, which includes the following steps:

[0023] a. First, the collection of CAD model data points will be carried out from the data point file;

[0024] b. According to the collection results or data point files in a, realize the establishment of the CAD processing sub-model, and store the established sub-model in the finite element background database ANSYS_DB:

[0025] c. According to the results of b, complete the establishment of the CAD processing overall model, and store the established overall model in the finite element background database ANSYS_DB; ...

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Abstract

For a defect in the prior art that the milling deformation control on complex integral structural components is overly dependent on artificial experiences, the invention discloses a follow-up forecast method for the milling deformation of complex integral structural components. The method is implemented through carrying out feature modeling on the integral structural component through an analysis technology of deformation in machining (CAE); completing structure analysis and machining simulation by virtue of a finite element technology; then importing analysis and simulation results into a deformation decision support module (DMSS), so that the analysis on deformation data is completed in the module; and finally, providing forecast information for technicians. The method solves the dependence of the milling deformation forecast of complex integral structural components on artificial experiences, has a real-time property, a dynamic property and reliability, reduces the production cost, shortens the trial production and production cycles of products, and improves the production efficiency.

Description

technical field [0001] Aiming at the present situation that the existing prediction method of milling deformation of complex integral structural parts consumes a lot of time and energy and relies on experienced technicians, the present invention discloses a real-time and dynamic method for processing existing or newly added workpiece resources. The prediction method of processing deformation is used to reduce production cost, shorten product development cycle, utilize and improve operating efficiency. Background technique [0002] With the development of the aviation industry, the performance requirements of modern aircraft have been continuously improved, and the structural design of aircraft has undergone relatively large changes. From the perspective of part structure, in order to reduce weight, the overall structural parts have been applied as much as possible in the new model, such as wings, integral wall panels, girders, bulkheads, etc. Integral structural parts are n...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/50
Inventor 郭魂唐松松徐吉唐国兴陈志伟刘峰
Owner CHANGZHOU INST OF TECH
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