International Journal of Mechanical Engineering and Applications

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Volume 3, Issue 1, February 2015

  • Research on Cutting Tool Wear Based on Fractional Brownian Motion

    Liang Jian-kai, Song Wan-qing, Li Qing

    Issue: Volume 3, Issue 1, February 2015
    Pages: 1-5
    Received: 6 January 2015
    Accepted: 22 January 2015
    Published: 1 February 2015
    DOI: 10.11648/j.ijmea.20150301.11
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    Abstract: Cutting tool wear is a very complex process. Various factors have a direct or indirect effect on cutting tool wear, resulting in uncertainty, so it is difficult for experimental data and result to have good stability. However, Vibration analysis is a very important means for condition monitoring and fault diagnosis. This paper aims to study the met... Show More
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  • Prediction of Cycle Life of Flexible Pipe Bellows

    Abdulrahman Th. Mohammad, Jasim Abdulateef, Zaid Hammoudi

    Issue: Volume 3, Issue 1, February 2015
    Pages: 6-15
    Received: 28 November 2014
    Accepted: 12 January 2015
    Published: 2 February 2015
    DOI: 10.11648/j.ijmea.20150301.12
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    Abstract: This paper aims to investigate the relationship between maximum stresses produced and cycle life of different shaped bellows expansion joints. Flexible pipe bellows which have been selected in the present study are made of stainless (STS 304) and (STS 316) material based on two types of (axial, and axial with control ring) with three shapes of bell... Show More
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  • Numerical Analysis of Influence on Gas Supply Hole Number and Radial Clearance for the Characteristics of Hydroinertia Gas Journal Bearings

    Tomohiko Ise, Sayuri Nakano, Toshihiko Asami, Yuki Endo, Itsuro Honda

    Issue: Volume 3, Issue 1, February 2015
    Pages: 16-21
    Received: 12 November 2014
    Accepted: 21 November 2014
    Published: 28 February 2015
    DOI: 10.11648/j.ijmea.20150301.13
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    Abstract: Hydroinertia gas journal bearings have been applied to solid state nuclear magnetic resonance spectroscopy. These bearings, which require a larger radial clearance than conventional externally pressurized bearings, achieve stable operation for ultra high-speed rotation of spinner shaft at several million rpm. However, their small diameters, which r... Show More
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