There are many varieties of gears, and the most typical classification strategy is by gear shaft. Normally, there are three types of the parallel axis, cross-axis, and staggered axis. 1) Parallel shaft gears: like spur gears, helical gears, inner gears, racks, and helical racks, and many others. 2) Cross shaft gears: straight bevel gears, spiral bevel gears, zero-degree bevel gears, etc. 3) Staggered shaft gears: There are staggered shaft helical gears, worm gears, hypoid gears, etc.
The purpose driving the rack is to convert rotational movement into linear movement, the rack runs by means of a pinion (a cylindrical gear that meshes with the rack), so this setup is typically referred to as a rack and pinion. When managing gears and racks, equipment oil is also extremely suggested to improve functionality and longevity. We also inventory a wide selection of metric spur gears and offer nearly each power transmission product on the marketplace