A new version of face gear drive geometry was proposed as envelopes of two parabolic racks of the pinion and shaper in the profile.

• 提出了一种沿齿廓方向抛物线修形的面齿轮齿面结构，对传统斜齿面齿轮和修形的斜齿面齿轮副的啮合进行了比较。