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STUDY ON THE INFLUENCE OF CERTAIN FACTORS ON THE SOUND PRESSURE LEVEL GENERATED DURING CUTTING WITH THE CIRCULAR SAW

机译：某些因素对圆锯切割过程中产生的声压级的影响

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摘要

In the current study, the changes in the sound pressure level (SPL) measured at the workplace and generated by the woodworking sliding table circular saw machine F45 (Altendorf, Germany) were investigated. The influence of the processed wood, in this case, specimens from Pinus Sylvestris L. and Fagus Silvatica L., as well as the thickness of the processed material and the rotation frequency of the circular saw on the total level of the generated noise, were evaluated. The influence of the tool overhang effect on the changes of the sound emissions was also measured. The changes in the SPL were measured in octave frequency bands with average frequencies ranging from 63Hz to 16kHz. During the experiments, the characteristics of the sound field were also taken into account. On the basis of the obtained results, graphical relationships between the investigated parameters and the changes in the SPL were derived. The experiments were carried out in compliance with the BDS EN ISO 3744 and BDS ISO 7960.
机译：在当前的研究中，研究了在工作场所测量并由木工滑动台圆锯机F45（德国Altendorf）产生的声压级（SPL）的变化。在这种情况下，加工后的木材（来自Pinus Sylvestris L.和Fagus Silvatica L.的标本）以及加工材料的厚度和圆锯的旋转频率对所产生噪声的总水平的影响是评估。还测量了工具悬伸效果对声音发射变化的影响。在八度频段中测量SPL的变化，其平均频率范围为63Hz至16kHz。在实验过程中，还考虑了声场的特性。根据获得的结果，得出研究参数与SPL变化之间的图形关系。实验是按照BDS EN ISO 3744和BDS ISO 7960进行的。

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