VHR425CM-15JG東方馬達VHR425CM-180E

減速機技術資料：

減速機在生活中用到的地方越來越多，本文淺析活齒減速器結構與傳動原理。活齒減速器結構與傳動原理活齒減速器各部件的運動分析如下。
激波器為輸入裝置，保持架為輸出裝置，中心輪固定不動。偏心激波器繞偏心點旋轉，滾子在保持架中自轉并繞偏心點B轉動，在滾子轉動過程中滾子與激波器始終相切，即滾子幾何中心與激波器的幾何中心之間的距離保持不變，而滾子的幾何中心與偏心點的距離一直在變化，由于中心輪固定不動，并且與滾子始終接觸。
因此其輪廓形狀為滾子沿滾子中心運動軌跡形成的外包絡線。要求得中心輪的齒廓，就要先求滾子軌跡的曲線方程。對于滾子沿軌跡產生的包絡線是以理論軌跡為中心，滾子半徑和激波器半徑的關系與外擺線不同，不存在整數倍關系，這有利于更加靈活地設計減速器，便于減小減速器的重量和體積。
滾柱隨活齒架的轉動的轉角呈周期性變化，在一個周期中，相對速度由小變大、由大變小、由小變大、再由大變小四次變化，出現了兩個極大值和一個極小值。活齒中心運動軌跡的曲率中心輪齒廓曲線的曲率，表示該點附近齒廓曲線的彎曲程度，它描繪了齒廓曲線的幾何特征，是研究活齒傳動承載能力、潤滑狀態等所依據的重要參數。中心輪齒根處曲率最大，曲率半徑最小;沿齒廓上升過程中曲率減小到零，繼續減小到負值。
在強度校核中也可根據曲率半徑來使計算結果更加趨于實際。活齒傳動的滑動率了解滑動率的特點有助于開發磨損小、壽命長、嚙合效率高的減速器。齒形的磨損規律在一定程度上取決于齒廓在接觸點上相對滑動速度的變化規律。
活齒減速器中心輪齒形求解的新方法，繪制齒形曲線，實現活齒傳動設計的參數化。并由此繪制出速度曲線、曲率曲線、滑動率曲線。由方程曲線的信息得到活齒傳動各構件的運動規律，為活齒傳動進一步研究打下了基礎。

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