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Development of an experimental method to estimate the operating force of a hand-held power tool utilizing measured transfer functions.

Authors
Lim-A; Kim-J; Zechmann-E
Source
Proceedings of the ASME 2013 International Mechanical Engineering Congress and Exposition (IMECE2013), November 15-21, 2013, San Diego, California. New York: The American Society of Mechanical Engineers, 2013 Nov; 4A:IMECE2013-65801
NIOSHTIC No.
20044757
Abstract
Hand-arm vibration syndrome (HAVS) collectively refers to diseases caused by prolonged exposure to intensive hand-transmitted vibration, which has been affecting millions of workers who use hand-held power tools. The force interacting between a hand-held power tool and the work-piece is valuable basic information in studying hand-arm vibration problems, however cannot be measured directly. An experimental method is developed to estimate this tool force by utilizing the input point impedance of the hand and measured transfer functions of the tool. The developed method is applied to calculate the tool force of a hand-held grinder and a circular saw to demonstrate and validate the method. Possible applications of the method to study hand-arm vibration or tool design are explained.
Keywords
Vibration; Vibration-exposure; Diseases; Exposure-levels; Risk-factors; Hand-tools; Hand-injuries; Tools; Power-tools; Force; Analytical-processes
Publication Date
20131115
Document Type
Conference/Symposia Proceedings
Fiscal Year
2014
NTIS Accession No.
NTIS Price
ISBN No.
9780791856246
NIOSH Division
DART
Priority Area
Manufacturing
Source Name
Proceedings of the ASME 2013 International Mechanical Engineering Congress and Exposition IMECE2013, November 15-21, 2013, San Diego, California
State
OH
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