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簡支梁沖擊試驗機常見故障診斷

發布日期:2022-05-30 點擊率:16

     簡支梁沖擊試驗機作為控制產品質量必須的設備,在使用過程中如何排除故障、保證機器良好運轉,操作人員應學會發現問題并能排除。
    常見故障:度盤指針靈敏性差,卸荷后有中途停止現象,或者零點位置經常變動。此種現象的產生原因是多方面的。
    1.齒桿上的滑輪及其道軌灰塵過多、銹蝕。此時需要卸下清洗干凈,再加少許鐘表油。
    2.指針轉動軸臟,應清洗。
    3.齒桿壓片和齒桿之間有接觸,應調松。
    4.緩沖器回油情況不良,應加以調整或清洗。
    5.測力活塞上的皮帶脫落或太松(使活塞不能勻速運轉)。
    6.測力活塞在油缸內摩擦力增大或卡死現象,應用氧化鉻研磨膏對研,直至正常為止。
    7.擺錘在揚起過程中有阻礙物,或者擺軸太臟或銹蝕,使指針回零變動大。

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