漸開線齒輪傳動化 | 科艾傳動鏈條鏈輪廠家

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漸開線齒輪的齒廓及傳動化

一?、漸開線的形成如圖6.2a所示，一條直線nn沿一個半徑為rb的圓的圓周作純滾動，該直線上任一點K的軌跡AK稱為該圓的漸開線。這個圓稱為基圓，該直線稱為漸開線的發生線。漸開線上任一點K的向徑OK與起始點A的向徑OA的夾角∠AOK(∠AOK=?K)稱為漸開線(AK段)的展角。二、?漸開線的性質根據漸開線的形成，可知漸開線具有如下性質： (1)發生線在基圓上滾過的長度等于基圓上被滾過的弧長，即NK=?? ； (2)因為發生線在基圓上作純滾動，所以它與基圓的切點N就是漸開線上K點的瞬時速度中…

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