REXROTH電磁閥液壓裝置中容易產生噪聲的元件一般認為是泵和閥，閥中又以溢流閥和電磁換向閥等為主。產生噪聲的因素很多。

德國原裝REXROTH電磁閥特性特優的浸油式電磁動作設計-----

    采用了滑閥浸于系統中的油內動作，具有緩沖作用，力士樂電磁閥即使在高壓力高頻率的切換動作下，仍可平穩無聲。REXROTH電磁閥*消除了克棟部位的油封與滑柱推桿之間的摩擦及其引發的漏油問題，并可以增加滑柱的推力。

上海維特銳供應原裝力士樂電磁閥降低油溫提高壽命，節省維護費用----    
    由于閥體流道采用了特殊結構設計，因而內部阻抗小，使用壓降減少，液壓油的溫度亦可相應降低，使液壓油不易變質，液壓油壽命延長，減少液壓油更換費用。

    力士樂REXROTH電磁閥的噪聲有流速聲和機械聲二種。流速聲中主要由油液振動、空穴以及液壓沖擊等原因產生的噪聲。機械聲中主要由閥中零件的撞擊和磨擦等原因產生的噪聲。

上海維特銳在德國與REXROTH合作，可長期穩定供應力士樂電磁閥，REXROTH導軌，力士樂柱塞泵等產品

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