Gear transmission refers to a device that transmits motion and power by gear pairs. It is the most widely used mechanical transmission method in various modern equipment. It has relatively accurate transmission, high efficiency, compact structure, reliable operation and long service life. There are many types of transmission gears, and this article uses different gear transmission methods as examples.

1. Cylindrical gear drive

When two gears mesh, when the main shafts of the gears are parallel to each other, we call it a parallel shaft gear transmission. Also called cylindrical gear transmission. Specifically divided into the following aspects: spur gear transmission, parallel shaft helical gear transmission, herringbone gear transmission, rack, and pinion transmission, internal gear transmission, cycloidal gear transmission, planetary gear transmission, etc.

1) Spur gear drive
2) Parallel shaft helical gear drive
3) Herringbone gear drive
4) Rack and pinion drive
5) Internal gear drive
6) Planetary gear transmission

2. Bevel gear drive

If the two main shafts are not parallel to each other, it is called intersecting shaft gear transmission, also called bevel gear transmission. Specifically divided into straight bevel gear transmission, helical bevel gear transmission, curved bevel gear transmission, etc.

1) Straight bevel gear drive
2) Helical bevel gear drive
3) Curved bevel gear drive

3. Staggered shaft gear transmission

When the two main shafts are staggered in space, it is called staggered shaft gear transmission. There are staggered shaft helical gear drives, hypoid gear drives, the worm drives and so on.

1) Staggered shaft helical gear drive
2) Hypoid gear drive
3) Worm drive

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