Knowledge-Based Engineering Supporting Die Face Design of Automotive Panels

You, Chun-Fong; Yang, Y. Y.; Wang, Da-Kun

doi:10.5772/23305

Cited by 5 publications

(2 citation statements)

References 8 publications

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“…Deng et al [33] studied case representation and retrieval schemes for stamping die design; Using rough set theory, hierarchical classification, and decision attribute support to discretize the die features, a similarity index is generated, which is compared to all cases stored in the knowledge base, and then the system retrieves the case with the highest similarity. You et al [34] studied the automatic design system of process and die for automobile covering parts based on knowledge engineering. Neverthelss, thanks to the large number of curve and surface designs, biases, deformations and smoothing in the design, which makes it difficult to automate and intelligently design the stamping process and die， this approach is difficult to solve.…”

Section: Related Workmentioning

confidence: 99%

Research on automatic analysis and layout system of the stamping process for automotive panels and its key technologies

Kong,

Lei,

Chao

et al. 2023

Int J Adv Manuf Technol

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The stamping process analysis and layout of automotive panels are extremely complex and time-consuming, which directly affects the quality and cycle of product development. Based on the CAGD theory of complex curves and surfaces, process design knowledge, and multidisciplinary optimization techniques, an intelligent automatic process analysis and layout system has been developed. The process feature analysis method based on discretization and merging idea has been proposed to accurately and automatically identify process features such as piercing, trimming, flanging and restricting. The process feature dispersion method based on curvature and normal variation of the forming surface is proposed to ensure the accuracy of feature dispersion. The combinatorial optimization algorithm is proposed to merge the discrete features according to the stamping direction and the geometric parameters of the features to reduce the number of process steps as much as possible. Moreover, a process constraint diagram with combined features is constructed, which is used as the initial solution and sequence constraint conditions for the process layout to effectively ensure the rationality of the process layout. Based on the die design rules, the simplified tools of the process features are created, and the rapid interference detection algorithm of the tools is proposed to realize the automatic layout and optimization of the stamping process. Finally, the aforementioned algorithms are seamlessly integrated into the NX software to develop an automatic analysis and layout system for the automotive panel stamping process. The feasibility, accuracy and efficiency of the system have been demonstrated through the example of the wing panel and the system has been successfully applied in enterprises.

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Section: Related Workmentioning

confidence: 99%

Research on automatic analysis and layout system of the stamping process for automotive panels and its key technologies

Kong,

Lei,

Chao

et al. 2023

Int J Adv Manuf Technol

View full text Add to dashboard Cite

show abstract

“…The drawing task is always the first operation, and it is the most important task because it shapes the entire product-in group and a little other groups. The key factors in the drawing task are stamping direction and modeling of the die face (You et al, 2011). The stamping direction affects the forming ratio of a panel and product quality, and the modeling of the die face affects the difficulty of follow-up tasks and number of operations.…”

Section: Drawing Direction Optimizationmentioning

confidence: 99%