Nonnatural vibrations of hydraulic shock-absorbers

Dokukova, N. A.; Konon, P. N.; Kaftaikina, E. N.

doi:10.1007/s10891-009-0136-6

Cited by 1 publication

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“…Current national and international standard weightings were primarily developed for assessing exposure to sinusoidal or random vibrations and not impulsive excitations or shocks, [13]. An inseparable part of the development of the current automotive industry is the application of new components of vibration isolation, [8].…”

Section: Introductionmentioning

confidence: 99%

Measurement and Analysis of Vibration of Operator in Universal 650, Massey Ferguson 285 & MF 299 Tractors

Fereydooni¹,

Rabbani²,

Javadikia³

2012

MECHANICS

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Since healthy human is basis of permanent development in any society, and safety & health subject have special importance, then examination and investigation is necessary about of risks working for the purpose of recognition danger and guiding to eliminate them. In this study, object is to compare effect of change engine rotation and ground type on operator of tractors and implements that utilized. In other words, the goal is to measurement and analysis of transmitted vibration on different parts of human body. In this investigation universal tractor and ferguson285 &299 tractors with moldboard plough and disk are used. Hand-Arm vibration's operator in 1300, 1500 and 1700 rpm and in ploughing field and unploughing field with hand-arm vibration meter are measured. After statistical analysis, appeared that effective vibration difference on hand and arm's operator in examined tractors is significant and engine rotation is significant too.

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Section: Introductionmentioning

confidence: 99%