If the normal section in the center of the tooth line is taken as a tooth measuring and design section, when spline hob is designed in a plane meshing, the tooth profile error is minimum.
如果以齿纹中点法剖面作为齿形检测和设计剖面，用平面啮合法设计花键滚刀时，则齿形误差最小。
2
By this method, it researches the stress distribution of plane problem for a tooth on synchronous belt.
用此方法对梯形齿同步带一个齿上的平面问题的应力分布进行了有限元分析研究。
3
According to principle of plane engagement, the paper deduces the equation of conjugate tooth outline in workpiece from given double-arc tooth outline of hob.