5.Process
According to the process, it is divided into blank semi-finished gears, bevel gears, internal gears, spur gears, helical gears, worm gears and worms.
7. Relative position of the axle
According to the relative position of the axle, it is divided into plane gear mechanism, helical cylindrical gear transmission, spur cylindrical gear transmission, gear rack transmission, external meshing gear transmission, internal meshing gear transmission, herringbone gear transmission, space gear mechanism, bevel gear transmission, staggered shaft helical gear transmission and worm gear transmission.
8.Manufacturing method
According to the manufacturing method, it can be divided into rolling gear, sintering gear, casting gear, cutting gear, etc.
9.Shape
According to its shape: it is divided into cylindrical gear, non-circular gear, bevel gear, rack, worm and worm gear.
10.Gear teeth surface
According to the surface of the gear teeth: divided into external gear and internal gear.
11.Tooth line shape
According to the shape of tooth line, it can be divided into spur gear, helical gear, herringbone gear, curve gear, etc.