Modeling blanking process using multiple regression analysis and artificial neural networks

Emad S. Al-Momani, Ahmad T. Mayyas, Ibrahim Rawabdeh, Rajaa Alqudah

    Research output: Contribution to journalArticlepeer-review

    14 Scopus citations

    Abstract

    The design of blanking processes requires the availability of a procedure able to deal with both tooling and mechanical properties of the workpiece material (blank thickness, hardness, ductility, etc.). This research presents the development and comparison of two models to predict the quality of the blanked edge represented by burrs height, the first model is an artificial neural network (ANN) based, while the second model is a multiple regression analysis (MRA) based. Finite Element modeling of the blanking process was used to generate the data for both models. Both ANN and MRA are able to give good prediction results, however, ANN still more accurate because it deals efficiently with hidden nonlinear relations when compared to MRA. The comparison between experimental and model results shows that average absolute relative error in the case of ANN was <2.20% for carbon steel and 4.85% for corrosion-resistant steel (CRES) compared to 15.18% for carbon steel and 14.22% for CRES obtained from the second order MRA. Therefore, by using ANN outputs, satisfactory results can be estimated rather than measured and hence reduce testing time and cost.

    Original languageBritish English
    Pages (from-to)1611-1619
    Number of pages9
    JournalJournal of Materials Engineering and Performance
    Volume21
    Issue number8
    DOIs
    StatePublished - Aug 2012

    Keywords

    • artificial neural networks
    • blanking
    • burrs height
    • regression
    • steel

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