Hand arm vibration of coconut grater machine

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Abstract

Vibration are found almost everywhere in rotating machines. Solving or reducing vibration in rotating machinery is difficult engineering task. The impact of exposure to the vibration operating the coconut scraper machine at conventional method will affected the health, exposure to the physical injury and exposure to the Hand-Arm Vibration Syndrome (HAVS). Basically, Vibration-induced White Finger (VWF) is the most condition the user will suffer when operating the vibration tools. The aim of this study was to measure the level of hand-arm vibration when operating using conventional method at coconut scraper machine and to analyse hand-arm vibration level during operating while using proposed adapter. During measurement, spindle speed of coconut scraper machine operating with 1485 RPM. In this study, for the first measurement between conventional method (free hand) and using glove (latex and leather glove) shows leather glove is better compared with others (free hand and latex glove). The reduction of hand-arm vibration in orthogonal direction (X, Y and Z-axis) are X-axis is 33%, Y-axis is 38% and Z-axis is 8%. The second measurement is using the proposed adapter that was designed and fabricated. The percentages reduction of the proposed adapter as compared to conventional method are X-axis is 38.3%, Y-axis is 51.9% and Z-axis is 25.5%.

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APA

Abu Seman, M. T., Hamid, M. N. A., & Mat Noor, N. R. (2019). Hand arm vibration of coconut grater machine. International Journal of Innovative Technology and Exploring Engineering, 8(11), 1870–1876. https://doi.org/10.35940/ijitee.K2076.0981119

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