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美国北加罗 来纳州大学声学 中心提出一项关 于减少木工刨床 和圆锯机组噪声 的实际建议,提 出了消除设备工 作部分噪声的防 护装置,并特别 强调指出防护装置的尺寸和形状,以及采用声学材料的意义。 防护装置采用具有玻璃纤维结构的胶合板制成的构件。这种装置能够降低噪声18分
The University of North Carolina Acoustics Center presented a practical proposal to reduce the noise of wood planers and circular sawing units and proposed guards to eliminate noise from the working part of the equipment with particular emphasis on the size and shape of guards and the use of The significance of acoustic materials. The guard is made of plywood with fiberglass structure. This device can reduce noise by 18 points