Such a new type of hourglass worm pair is particularly-favorable for power transmission.

蜗杆与蜗轮均为硬齿面，适于动力传动的新型环面蜗轮副。

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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.

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。

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