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木工机床噪声大、频率高,刺耳尖叫声令人难忍,是一个长期来没有得到控制的问题。这种噪声已被列为公害,它不仅危害工人的身心健康,而且也严重地阻碍了木工机床的出口。1980年5月,一机部已将控制木工圆锯机的噪声正式列为攻关项目。1981年,一机部对《木工机床产品质量分等规定》空运转噪声提出的要求;不超过90分贝(A)。实际普测,超过90分贝(A)的占78%,最高的
Woodworking machine noise, high frequency, shriek screams unbearable, is a problem that has not been controlled for a long time. This noise has been classified as a nuisance, not only endangering the physical and mental health of workers but also seriously hindering the export of woodworking machines. May 1980, a machine has been officially listed as a key project to control the noise of woodworking circular saw. In 1981, a machine department of “woodworking machine tool products quality classification requirements” of the air-conditioned noise requirements; not exceeding 90 dB (A). The actual general survey, more than 90 decibels (A) accounted for 78% of the highest