DESIGN AND ANYLYSIS OF VISCOUS DAMPER FOR VIBRATION REDUCTION IN HAND OPERATED POWER TOOLSJournal: International Journal of Engineering Sciences & Research Technology (IJESRT) (Vol.5, No. 2)
Publication Date: 2016-02-29
Authors : J.J. Salunke;
Page : 514-524
Keywords : arm vibration; Finger vibration;
Vibration - reducing viscous damper have been used to reduce the hand - trans mitted vibration exposures from machines and powered hand tools but their effectiveness remains unclear, especially for fi nger protection. The objectives of this study are to determine whether viscous damper can attenuate the vibration transmitted to the fingers and to enhance the understanding of the m echanisms of how these viscous damper work. Thesis is presented on the basis of hand - arm vibration with the application of jigsaw tool. Attention is given to the damper design requirement for vibration reduction. The analysis of jigsaw power tool is helpful in determination of vibration exposure evaluation along with damper. The study of evaluation of exposures to the vibration produced within hand or body during operating the power tools is main purpose of this paper. This paper summarizes the vibration reduction in hand held power machinery with application of damping device. The vibration emission can be measured and controlled by effective mounting of damper on power tool. The purpose of this design guide is to aid the design e ngineer in selecting the proper damping device to reduce the amount of vibration or shock that is transmitted to human hand from equipment during operating condition.
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