球面蜗杆 SteeringWorm ; hindley worm ; hourglass worm ; [机] globoid worm
球形蜗杆 globoid worm
球面蜗杆铣床 cone-worm milling machine ; thread milling mahcine
球面蜗杆插切刀 spheroid worm gear shaper cutter
球面蜗杆传动 [机] globoidal worm gearing
球面蜗杆啮合 globoid worm toothing
球面蜗杆式转向器 hourglass worm steering
球面蜗杆滚轮式转向器 cam and roller steering gear
转向螺杆不是直接啮合的，在螺母和蜗杆之间装有很多循环滚动的钢球。
Instead of the worm directly engaging, the recirculating balls are filled between the nut and the worm.
本文介绍了圆盘造球机的一种新型调角装置，即为具有角度指示器的手动蜗轮蜗杆装置。
A new kind of Angle adjusting device for disk pelletizer is introduced in this paper. It is a manual worm gearing with an Angle indicator.
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