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Impact noise exposure from sheet-metal presses: Manual versus automated production

机译：钣金压力机的冲击噪声暴露：手动与自动生产

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The noise immission was measured in a sheet-metal pressing plant with large punch-presses, using individual dosimetry in ten workers during sixteen workdays. A comparison was made between the noise doses for workers on a manual production line, and on an automated line, with five workers on each line. Although automation increased the noise emission, we found that the noise immission to the worker was significantly reduced in the automated production line. The A-weighted equivalent level was 91.2 dB for 6 hours in the manual production line, and 90.0 dB in the automated lint: (p < 0.05). However, the most important factor in noise reduction among the workers was that the number of noise-exposed workers was reduced from thirteen to six, as a consequence of automation. [References: 8]
机译：在具有大型冲压机的钣金冲压厂中，在16个工作日内对10名工人进行了个体剂量测定，测量了噪声的排放。比较了手动生产线和自动化生产线工人的噪声剂量，每条生产线有五名工人。尽管自动化增加了噪声排放，但我们发现自动化生产线中对工人的噪声排放显着降低。手动生产线在6小时内的A加权等效水平为91.2 dB，在自动皮棉中为90.0 dB：（p <0.05）。但是，降低工人噪音的最重要因素是，由于自动化的结果，受噪音影响的工人人数从13名减少到6名。 [参考：8]

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