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所谓的数控锯床的噪音,其实就是机械本身产生的噪声。通俗一点讲的话就是带锯条、锯床与被锯切工件之间的震荡、撞击、摩擦、锯切时所产生的噪声。这种在数控锯床工作时产生的不规则声音统称为噪音,当噪音超过400HZ的时候就会威胁工作人员的身体健康。如果人长期处于这样的工作状态,日积月累就会对人的听力产生的危害。这一点不容小觑。
一般来说数控锯床出现噪音主要是因为锯床操作不当或者零部件出现故障,当出现噪音时我们应当停机检查,查清噪音产生的原因。首先注意必须先切断电源,然后再打开防护罩,用手转动锯轮,看看是否是带锯条碰到了异物,或者是锯屑卡在了齿部。如果带锯条没问题,可以取下带锯条,运转主机,看看是否是这方面的原因。除了不当的操作、零部件故障这两点原因,数控锯床本身的震荡也是一种因素。
1、数控锯床与金属材料之间磨擦、震动等原因产生的机械噪声,在数控锯床工作过程中,污染的大小取决于被材料的形状和硬度。
2、轴承的磨损,因张紧力度不适,锯条跟轴承之间不贴合就会产生晃动从而产生震荡。
3、切断电源,检查一下锯床上锯条的转速和下降刻度,一般硬的材料转速要慢下来、下降也要慢一些。另外夹紧锯条的导向块过紧、锯床的固定导臂和活动导臂间距过大也是产生震动的原因。