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摩擦功耗

2014-08-19 08:30 作者:管理員9 來源:未知 瀏覽: 字號:

摘要:在流體動壓滑動軸承中,潤滑油的黏滯切應力引起的摩擦力與載荷之比,也稱為摩擦因數。因此,摩擦功耗的計算式為 令摩擦數*=/,摩擦功耗的計算式改寫為 圖13.6-16~圖13.6-20分別給出。=360,180150,120和90各種包角軸瓦,滿足q*q1+q2條件 下,在不同寬徑比時,*

    在流體動壓滑動軸承中,潤滑油的黏滯切應力引起的摩擦力與載荷之比,也稱為摩擦因數μ。因此,摩擦功耗的計算式為
令摩擦數μ*=μ/ψ,摩擦功耗的計算式改寫為

圖13.6-16~圖13.6-20分別給出。α=360°,180°150°,120°和90°各種包角軸瓦,滿足q*≥q1+q2條件
下,在不同寬徑比時,μ*隨偏心率ε的變化曲線。q*=q1時的μ*可參見GB/T-21466.2-2008。
α=360°軸承μ*與ε的關系曲線
α=180°軸承μ*與ε的關系曲線
α=150°軸承μ*與ε的關系曲線
α=120°軸承μ*與ε的關系曲線
α=90°軸承μ*與ε的關系曲線

(責任編輯:laugh521521)
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