" alt="武漢恒美斯液壓機電設備有限公司">
A2F28R6.1P6
兩處容積的大小、位置與噪聲有關。閥片對閥座和支持件的撞擊噪聲吸入的氣體量大，泵的循環油量多，閥片噪聲就越大，閥跳高，閥的面積大，閥片噪聲也大，閥片材料也有一定影響。橡膠閥片的噪聲應比鋼片或層壓板為好。為此，要節制進油量，閥片關閉要及時，要嚴密。注意閥的選材與結構。箱體內的回聲和氣泡破裂聲氣量增大時，此項噪聲將增大。開氣鎮時或通大氣時此項噪聲會明顯增大。如果氣鎮量可調，則可合理調節氣鎮量。大量氣體和油排出時沖擊擋油板等零部件時發出的噪聲。如果零件剛性不足，或未緊固，產生振動與碰撞，會使此項噪聲增大。因此擋油板不僅應有足夠剛度并緊固，而且，在需與其他零件（如油箱）接觸時，利用夾橡膠的方法可避免振動引起的碰撞噪聲，并改善擋油效果。旋轉將氣體吸入、壓縮并排出的真空泵，如往復真空泵、旋片真空泵、滑閥真空泵、羅茨真空泵，產生噪音的原因很大程度來自活塞的磨損。應避免在真空度或排氣壓力附近運行真空泵。
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