Assessment of workers' exposure to hand-arm and whole body vibration in one of the furniture industries in east of Tehran
- سال انتشار: 1394
- محل انتشار: فصلنامه بهداشت، ایمنی و محیط زیست، دوره: 2، شماره: 1
- کد COI اختصاصی: JR_IJHSE-2-1_006
- زبان مقاله: انگلیسی
- تعداد مشاهده: 866
نویسندگان
Department of occupational health Engineering, School of public health, Zahedan university of medical sciences, Zahedan, Iran
Department of Environmental Health Engineering, school of public health, Gonabad university of medical sciences,Gonabad, Iran
Department of Occupational Health Engineering, school of public health, Gonabad university of medical sciences,Gonabad, Iran
Department of Occupational Health Engineering, school of public health, Gonabad university of medical sciences,Gonabad, Iran
چکیده
Workers in wood industry are exposed to vibration and its damages. The purpose of this study was to evaluate exposure to hand-arm and whole body vibration in the wood industry. In this study, the parameters of whole body and hand-arm vibrations such as effective acceleration, overall equivalent acceleration, Vibration Dose Value and crest factor were studied on two Thicknessing planes, two sliding panel saw machines, two orbital sander, and three operators of perforate procedure. Assessments were done by the use of an oscillator and an analyzer of Svantak Co. Evaluating Hand-arm and whole body vibrations were conducted based on ISO 5349-1, ISO 5349-2 and ISO 2631-1 standards, respectively, and the findings/ the evaluated data were analyzed.The mean amount of daily exposure to hand-arm vibration (RMS) in Thicknessing plane, Orbital Sander and Sliding panel saw machine operators are respectively 5.56, 5.49 and 3.37 m/s2 . In addition, the average crest factor of the 3 jobs is higher than 6. Mean of daily Exposure to whole body vibration in 3 machine operators of Thicknessing plane, perforate procedure and Sliding panel saw is respectively, 0.28, 0.24 and 0.17 meters per square second. The crest factor for all the exposures was to be less than 6 and the mean of the calculated daily vibration dose equaled 5.83 with the standard deviation of 0.87( m)⁄s^1.75 .In further measured situations, exposure to hand-arm vibration is more than the standard level, so engineering and management measures are required to reduce the amount of exposure and support the health of the operators and the equipment.کلیدواژه ها
Wood Industry, Vibration, Hand-arm vibration, Whole body vibrationمقالات مرتبط جدید
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