TSXCAY41 綜合工程開發(fā)經驗，齒輪設計優(yōu)化微觀修形應達到下列目標：(1) 優(yōu)選在齒面中心接觸，充分利用齒寬，避免邊緣和齒頂受載；(2) 電動車(EV)減速器輸入級齒輪轉速很高，其峰-峰TE值應小于2 μm；(3) 接觸應力和齒面負荷分布系數；(4) 傳動誤差和齒面接觸應力作為修形設計、調整的依據[2]。

2.3 MASTA軟件仿真

MASTA軟件可以對齒輪尺寸、剛度調制以及基于具體齒輪材料進行加載條件下的齒面接觸分析?；谟邢拊治龇椒?合理定義各連接副的約束，可以更加準確地完成齒輪嚙合動態(tài)分析。通常需要基于實際的產品結構創(chuàng)建齒輪箱的模型、其次需要定義車輛的實際運行負荷譜，通過不斷地調整齒輪微觀修形參數，分析齒輪嚙合過程中的激勵大小。該電驅橋減速器結構為典型的兩級減速平行軸式布置，具體結構如圖6所示。通過對不同齒面參數的迭代分析和計算，優(yōu)選的兩級主從動齒輪副修形關鍵參數如表1，基于QC/T568變速器臺架測試方法，轉換形成相應的NVH負荷譜(見表2)，基于上述參數和負荷譜應用MASTA軟件對電驅橋減速器的傳動特性進行分析研究。

TSXCAY41 

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TSXCAY41