Working method for testing and analyzing coupling stiffness of forming molds and forming equipment
A technology for forming molds, testing and analysis, applied in the field of coupled stiffness testing and analysis, to achieve the effects of optimizing performance and technical parameters, reducing manufacturing costs, and optimizing structural design
Inactive Publication Date: 2012-04-18
TIANJIN UNIVERSITY OF TECHNOLOGY
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Problems solved by technology
The traditional design method is to design the forming mold and forming equipment separately, and require that the forming mold and forming equipment can meet the precision requirements of the formed product when used alone, so that the external dimensions of the forming mold and forming equipment will change, resulting in waste
Method used
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Embodiment
[0040] Embodiment: a kind of working method for the coupling stiffness test analysis of forming die and forming equipment, it is characterized in that it comprises the following steps:
[0041] (1) Modeling: use CAD software Pro / E to carry out three-dimensional solid modeling of the THP34Y-1000 hull plate forming hydraulic press, and establish a finite element analysis model;
[0042] (2) The overall simulation analysis of the model of the THP34Y-1000 hull plate forming hydraulic press: according to the forming conditions of the THP34Y-1000 hull plate, the THP34Y-1000 hull plate forming hydraulic press is rigidly connected together, and the overall finite element simulation is carried out analyze;
[0043] (3) Separate simulation analysis of the hydraulic press: According to the forming conditions of the THP34Y-1000 hull plate, the finite element analysis of the hydraulic press is carried out separately;
[0044] (4) Solve the finite element simulation analysis results of (2...
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The invention provides a working method for testing and analyzing coupling stiffness of forming molds and forming equipment. The method comprises the following steps: (1) building models; (2) performing simulation analysis on a mold model and an equipment model; (3) performing separate simulation analysis on the equipment model; and (4) resolving and analyzing the simulation analysis results of (2) and (3) so as to obtain the difference value of the stiffness share of a forming mold and forming equipment as manufacturing parts in a system, as well as boundary conditions of system coupling analysis. The method has the advantages that: (1) the method ensures that the forming mold has good stiffness; (2) the method can reduce the cost for manufacturing the forming mold; (3) the method achieves the aims of optimizing the performance and technical parameters of the forming equipment, optimizing the structural design of the forming mold and guaranteeing the quality of formed products; and (4) in a metal plastic forming process of the method, the stiffness of the forming mold accounts for 20 to 30 percent of the share of the total coupling stiffness of the forming mold and the forming equipment, and the reasonability and reliability of application are proved.
Description
(1) Technical field: [0001] The invention relates to a working method for testing and analyzing molds and equipment, in particular to a working method for testing and analyzing the coupling stiffness of forming molds and forming equipment. (two) background technology: [0002] The plastic forming of metal is realized by forming dies and forming equipment. The forming die provides the shape of the formed product, and the forming equipment provides the pressure required for forming. In order to ensure the shape and dimensional accuracy of the formed product, the forming die and forming equipment are required to have sufficient rigidity. The traditional design method is to design the forming mold and forming equipment separately, and it is required that the forming mold and forming equipment can meet the precision requirements of the formed product when they are used alone, which makes the external dimensions of the forming mold and forming equipment change, resulting in waste...
Claims
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IPC IPC(8): G06F17/50
Inventor 毕大森
Owner TIANJIN UNIVERSITY OF TECHNOLOGY