3. OUR professional Sales: sprocket, and chain, is gear, rack, bevel gear, worm, the worm, pulley, hand wheel, handles, small precision universal joints, couplings, the worm reducer, gear reducer.
本店专业销售：链轮，链条，正齿轮，齿条，伞齿轮，蜗轮，蜗杆，皮带轮，手轮，手柄，小型精密万向节，联轴器，蜗轮减速器，齿轮减速机。
4. This is because the angle on the worm is so shallow that when the gear tries to spin it, the friction between the gear and the worm holds the worm in place.
这是因为，蜗轮蜗杆的升程角很小，当涡轮要带动蜗杆时，蜗轮蜗杆间的摩擦力把蜗杆锁住了。
5. TI worm gearing, namely toroidal involute worm gearing, consists of involute helical gear and hourglass worm enveloped by the gear.
TI 蜗杆传动，全称渐开面包络环面蜗杆传动，由渐开线斜齿圆柱齿轮及其包络的环面蜗杆组成。
