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齒輪疲勞極限應力快速測定法

  • 摘要: 本文提出了一種新的快速齒輪疲勞試驗方法。即將基于Miner理論的Locati應用于齒輪的疲勞試驗。這種方法僅用一對齒輪,采用臺階增載的加載方法,一次方法試驗即可測出齒輪的疲勞強度極限值(齒面接觸疲勞強度極限值或齒根彎曲疲勞強度極限值)。
    文中敘述了用這種方法所做的六對齒輪試驗情況,其中兩對齒輪做齒根彎曲疲勞試驗;四對(兩種不同材質的)齒輪作齒面接觸疲勞試驗。試驗結果表明:用此法測定出的疲勞強度極限值相當接近于用常規試驗所測定的值。
    本文還對此種快速試驗方法進行了分析討論。

     

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