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蜗杆和蜗轮传动可以得到很大的降速比,同时能传送很大的动力。应用最广是蜗杆和蜗轮旋转轴线互相垂直、而蜗杆螺纹表面又为阿基米德螺旋面的一种。以下讨论均指此种情况而言。一对啮合的蜗杆和蜗轮,啮合齿非工作面法线方向的间隙称为侧隙,用来容纳润滑油、补偿受热变形、
Worm and worm gear drive can get a large speed ratio, while delivering great power. The most widely used is the worm and worm wheel rotation axis perpendicular to each other, while the worm thread surface is a kind of Archimedes screw surface. The following discussion refers to this case. A pair of meshing worm and worm gear, meshing teeth non-face normal direction of the gap is called the backlash, used to accommodate the lubricating oil to compensate for heat deformation,