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止推軸承

2014-08-04 23:33 作者:管理員9 來源:未知瀏覽: 次字號: 大中小

摘要:止推軸承示意如圖13.1-19所示。速度對動壓止推滑動軸承，軸承計算采用的等效轉速為當推力盤與軸瓦轉速相同時有效轉速為零，這時無法形成動壓潤滑。止推軸承推力盤不同半徑處的線速度是不等的，以平均半徑上的線速度為計算線速度，即式中 Di軸瓦內徑; D0

止推軸承示意如圖13.1-19所示。
止推軸承示意圖

止推軸承示意圖

速度

對動壓止推滑動軸承，軸承計算采用的等效轉速為

當推力盤與軸瓦轉速相同時有效轉速為零，這時無法形成動壓潤滑。

止推軸承推力盤不同半徑處的線速度是不等的，以平均半徑上的線速度為計算線速度，即

式中 Di—軸瓦內徑;

D0—軸瓦外徑。

載荷

止推軸瓦上的載荷理論上是均勻分布的，因此有

(責任編輯：laugh521521)

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