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圓錐孔軸承的安裝——角接觸軸承的安裝——推力軸承的安裝

2014-10-04 19:27 作者:管理員17 來源:未知 瀏覽: 字號:

摘要:8.2圓錐孔軸承的安裝 圓錐孔軸承可以直接裝在有錐度的軸頸上,或裝 在緊定套或退卸套的錐面上(圖14.4-17). 此種軸承有較嚴格的配合,當軸承進入錐形軸頸 或軸套時,由于內圈膨脹使軸承徑向游隙減小,故可 通過控制軸承壓進錐形配合面的距離,調整徑向游隙。

8.2圓錐孔軸承的安裝
    圓錐孔軸承可以直接裝在有錐度的軸頸上,或裝
在緊定套或退卸套的錐面上(圖14.4-17).
緊定套與退卸套
圓錐孔軸承安裝
此種軸承有較嚴格的配合,當軸承進入錐形軸頸
或軸套時,由于內圈膨脹使軸承徑向游隙減小,故可
通過控制軸承壓進錐形配合面的距離,調整徑向游隙。
    不可分離型軸承的徑向游隙,可用塞尺測盤,也
可以軸承在軸向的移動量,計算徑向游隙的減小量。
可分離型軸承,可用外徑千分尺側量內圈的膨脹,以
求得徑向游隙的減小量。
    直接裝在錐形軸頸上的圓錐孔軸承,可以和一般
圓柱孔軸承一樣,使用裝配套管或加熱等方法安裝,
也可采用鎖緊螺母安裝。
    通過緊定套或退卸套安裝的圖錐孔軸承,一般采
用鎖緊螺母安裝(圖14.4-18 )。
8.3角接觸軸承的安裝
    角接觸球軸承,采用一般圓柱孔軸承的安裝方
法。圓錐滾子軸承的內外圈,則應分別安裝。安裝
中,應仔細調整這類軸承的軸向游隙和預緊量。
    軸承游隙或預緊量的大小,與支承結構的形式、
軸承間距、軸和外充的材料有關,應根據工作要求什
算確定。軸向游隙可用千分表檢查、游隙大小可通過
端蓋、調整環、螺紋環、鎖緊螺母等調整。
8.4推力軸承的安裝
    推力軸承的軸圈與軸一般取過渡配合,座圈與外
充孔一般取間隙配合,故這種軸承容易安裝。不過對
于雙向推力軸承,軸圈必須進行軸向固定,從而防止
其相對于軸發生轉動。
    推力軸承安裝中,應檢查軸圈對軸的中心線的垂直
度、軸向游隙并加以調整。在高速運轉條件下,還應適
當預緊,以防止因滾動體慣性力矩引起的相對滑動。
 

(責任編輯:laugh521521)
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