NOISE EMISSIONS OF OLDER WOODWORKING MACHINES AT PARALLEL OPERATION PROCESS

  • 1Mendel University in Brno, Faculty of AgriSciences, Department of Agriculture, Food and Environmental Engineering, Brno, CZ
  • 2Technical University of Kosice with a seat in Presov, Faculty of Manufacturing Technologies, Presov, SK
  • 3Mendel University in Brno, Faculty of Forestry and Wood Technology, Department of Wood Processing Technologies Agriculture, Brno, CZ

Abstract

The paper is focused on the evaluation of noise emissions of older woodworking machines in specific conditions of the individual and parallel operation process. The goal of the paper is monitoring of acoustic pressure of chosen woodworking machines (surfacer and thickenesser) in real woodworking industrial school plant. Next goal is a statistical evaluation of measured values and comparing with criteria of legislation (hygienic limits). Experimental measurement conforms to requirements of standard CSN EN ISO 11202, CSN EN ISO 3746 and CSN EN ISO 7960. Measured values of acoustic pressure are compared with requirements of government statute No. 272/2011 col. Our study claim a high level of measured sound pressure values and hygienically unsuitable occupational environment.

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