An overload prevention mechanism in a load cell Using an H-slit type double beam

Koyu Abe, Masaru Uchiyama

    Research output: Contribution to journalArticlepeer-review

    Abstract

    Overload prevention is important for a force sensor in order to avoid fatal damage due to unexpected external force. Until now, most of the proposed mechanisms for this purpose prevent the damage to the sensor by using a screw and a straight pin. Few reports on the utility of these mechanisms have been published. In our previous work, we proposed a unidirectional force sensor based on an H-slit type parallel beam structure. The H-slit beam structure is a part of a force sensor and it can perform as an overload prevention mechanism without any additional mechanical parts. In this paper, we verify the utility of the H-slit type beam based overload prevention mechanism. Besides, based on the verification result, this paper proposes a new slit type beam overload prevention mechanism.

    Original languageEnglish
    Pages (from-to)1299-1304
    Number of pages6
    JournalSeimitsu Kogaku Kaishi/Journal of the Japan Society for Precision Engineering
    Volume76
    Issue number11
    DOIs
    Publication statusPublished - 2010 Nov

    Keywords

    • Force sensor
    • H-slit type beam
    • Load cell
    • Overload prevention
    • Parallel leaf beam
    • Sensor structure

    ASJC Scopus subject areas

    • Mechanical Engineering

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