According to the theory of gearing, equation of the meshing line can be deduced from the tooth profile of basicrack.
根据齿轮啮合原理，由基本齿条的轮廓曲线能够获得其啮合线方程。
2
In power gear transmission, the equation of the basicrack profile must be known in general. It's the equation of the hob and the gear profile that need be deduced.
在动力齿轮传动中，滚刀的设计一般是已知基本齿条的齿廓方程，求解的是滚刀和齿轮的齿廓方程。
3
This paper expounded the interrelations among gear's flank profile, gear's basic flank profile, and rack cutter's flank profile.