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Significance of forging process optimization of forgings

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Significance of forging process optimization of forgings

Release date:2019-03-05 Author:锻件网 Click:

Tianfeng metal explains the significance of forging process optimization of wuxi forgings

In actual forging production, when forging geometry is complicated or traditional design methods have limitations, unreasonable forging process and die design can make the internal organization of forgings, exterior shape or surface quality can not meet the technical requirements, sometimes even have serious forming defects, such as filling dissatisfaction, surface collapse, internal or surface crack, etc. In addition, unreasonable design will also lead to serious material waste, low die life.

With the increasing competition, low cost, high quality and high efficiency are the goals of the manufacturing industry. In order to reduce the manufacturing cost and improve the product quality, it is necessary to optimize the technological parameters that affect the forging quality in the forging process. The forging process involves complex geometric and physical changes, and it is difficult to achieve the expected effect by using traditional design optimization methods. Moreover, it can only be used for comparison of design schemes and continuous improvement of a certain process, and physical experiments are also indispensable.

With the continuous development and improvement of modern computer technology and plastic finite element theory, the numerical simulation method based on finite element method has been successfully applied to the deformation law of forging plastic forming process and the numerical prediction of multiple physical fields, providing reliable virtual verification for the actual process and mold design. Therefore, the application of design optimization based on numerical simulation in forging process and die design is not only possible, but also inevitable.

The intelligent forging design system, the finite element analysis software and the optimization algorithm are taken as three relatively independent modules. Through the automatic transmission and integration of information, an automatic optimization technology system for the complex forging process with the actual process parameters as design variables is established. By selecting different design variables, optimization objectives and optimization algorithm, the automatic optimization of 2d and 3d forging process is realized, and remarkable results are obtained.


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