一般齿轮齿形曲线在一点邻域的高阶阶戴劳级数展开后，会发现齿面啮合点邻域间隙为2阶无穷小。
The common gear tooth profile curve launches after neighborhood higher order step taylor's series, can discover the tooth face meshing point neighborhood gap is 2 step infinitely greats.
本文阐述了滚刀滚齿时齿轮齿根过渡曲线的延长渐开线的等距线与齿轮齿形渐开线的关系。
This paper discussed the relationship between the involute pitch of tooth root and tooth profile involute in hobbing.
文章采用微分几何的方法建立了销齿轮齿形的曲线方程，设计了销齿轮传动的动态设计软件。
In this paper, the curvilinear equations of pin gear tooth outline are deduced by the differential geometry method, and the software for the dynamic design of pin gear transmission is designed.
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