两共轭齿面沿接触线法向的诱导法曲率是衡量机械传动性能的重要指标之一。
The induced normal curvature of two conjugate tooth surfaces along normal direction of contact line is one of the important indexes evaluating mechanical transmission performances.
其一对共轭齿面均可精确磨削。因此，该传动不仅可以提高传动精度，而且又能提高承载能力和延长使用寿命。
Because a pair of conjugate surface can be ground precisely, the transmission accuracy of the worm drive is improved, the load-carrying capacity is increased and service life is prolonged.
本文依据齿轮啮合原理，利用产形线形成共轭啮合的原理，采用共轭齿面接触线为刀刃构形的切齿刀具，这样构形的切齿刀具都非常简单，并且容易采用合理的几何角度。
This paper USES cutting tool with the contact line of conjugate tooth profile based on the principle of the gear engage and generating shape line forming conjugate engage.
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