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                當前位置:首頁 > 新聞中心 > 水泵常識
                氟塑料自吸泵軸承溫度過高的原因
                來源:www.yvettesblogs.com 發布時間:2015-03-10 09:15
                 軸承配合間隙不符合要求。如軸承內圈和氟塑料自吸泵軸、軸承外圈與軸承體之間,配合太松或太緊,都能引起軸承發熱。(配合太緊會使軸承轉動不靈活;配合太松,會使軸承內圈轉動或整個軸承在軸承體內轉動)。
                 
                氟塑料自吸泵軸承溫升過高主要原因有:(此時只要注意觀察,及時查明原因,處理是不困難的)
                 
                (1)氟塑料自吸泵軸彎曲或不同心,會使氟塑料自吸泵振動,引起軸承發熱或磨損。
                 
                (2)由于軸向推力增大(比如氟塑料自吸泵中平衡盤與平衡環嚴重麼損時),使軸承承受的軸向負荷加大,導致軸承發熱甚至損壞。
                 
                (3)軸承內潤滑油(脂)量不足或過多,質量不良,內有泥沙、鐵屑等雜物;滑動軸承有時因油環不轉動,帶不上油來而引起軸承發熱。
                 
                (4)軸承配合間隙不符合要求。如軸承內圈和氟塑料自吸泵軸、軸承外圈與軸承體之間,配合太松或太緊,都能引起軸承發熱。(配合太緊會使軸承轉動不靈活;配合太松,會使軸承內圈轉動或整個軸承在軸承體內轉動)。
                 
                (5)氟塑料自吸泵轉子的靜平衡不好。氟塑料自吸泵轉子徑向力增大,軸承負荷增加,造成軸承發熱。
                 
                (6)氟塑料自吸泵在非設計點工況運行時產生振動,也會使氟塑料自吸泵軸承發熱。
                 
                (7)軸承已損壞(包括購進的軸承本身質量問題),常常是軸承發熱比較普遍的原因,如滾動軸承保持架損壞、鋼球壓碎內圈或外圈斷裂;滑動軸承的合金層剝落、掉塊等。這種情況軸承處聲音異常,噪音大,應及時拆開軸承檢查并更換之。
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