Development of a device for dynamical measurement of the load on casting and the contraction of the casting in a sand mold during cooling

Yuichi Motoyama, Hiroki Takahashi, Yuki Inoue, Keita Shinji, Makoto Yoshida

    Research output: Contribution to journalArticle

    15 Citations (Scopus)

    Abstract

    To predict and control the residual stress present in sand castings manufactured via CAE (Computer Aided Engineering), the mechanical interaction between the casting and the sand mold during cooling must be determined experimentally. A device was developed in this study to determine the load on the casting caused by the resistance of the mold and the contraction of the casting during cooling. Our device consists of two modules that work simultaneously: a module containing a load cell, for measuring the load on the casting during cooling and a module containing an LVDT (Linear Variable Differential Transformer) for measuring the contraction of the casting during cooling. In performance verification testing, the device enabled the simultaneous measurement of the load on the sand casting and the contraction of the casting. This measurement was performed dynamically during the cooling process. Additionally, for the case where the contraction of the casting was hindered by the sand mold, the permanent deformation of the casting after shake out (which leads to residual stress in the casting) was successfully measured using our device.

    Original languageEnglish
    Pages (from-to)1399-1405
    Number of pages7
    JournalJournal of Materials Processing Technology
    Volume212
    Issue number6
    DOIs
    Publication statusPublished - 2012 Jun

    Fingerprint

    Casting
    Cooling
    Contraction
    Sand
    Residual Stress
    Module
    Residual stresses
    Computer aided engineering
    Transformer
    Engineering
    Predict
    Testing

    Keywords

    • Aluminum alloy
    • CAE
    • Distortion
    • Residual stress
    • Sand casting
    • Sand mold

    ASJC Scopus subject areas

    • Computer Science Applications
    • Modelling and Simulation
    • Ceramics and Composites
    • Metals and Alloys
    • Industrial and Manufacturing Engineering

    Cite this

    Development of a device for dynamical measurement of the load on casting and the contraction of the casting in a sand mold during cooling. / Motoyama, Yuichi; Takahashi, Hiroki; Inoue, Yuki; Shinji, Keita; Yoshida, Makoto.

    In: Journal of Materials Processing Technology, Vol. 212, No. 6, 06.2012, p. 1399-1405.

    Research output: Contribution to journalArticle

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