Reducer Gear Classification And Description

　　Reducer Gear with Parallel Shaft

　　(1) Rack: The straight-line gear that meshes with the spur gear can be said to be a special case when the pitch of the gear becomes infinite in size.

　　(2) Helical gears: cylindrical gears with ribs formed into a helicoid.

　　(3) Double helical gear: a helical gear formed by left and right helical ribs.

　　(4) Spur gears (spur gears): straight cylindrical gears with rib parallel to the axis.

　　Reducer Gear (bevel gear) of orthogonal axis

　　(1) Curved bevel gear: The rib is a bevel gear with a curved line of helix angle.

　　(2) Straight-toothed bevel gear: a bevel gear with the same generatrix (straight line) between the rib and the pitch cone.

　　(3) Zero-helix curved bevel gear: curved bevel gear with zero helix angle. Worm reducer

　　Reducer Gear with Staggered Shaft (Worm Gear and Worm)

　　(1) Staggered helical gear: This is a cylindrical helical gear, which is called when the transmission between the staggered shafts (also known as skew shafts) is used.

　　(2) Cylindrical worm gear: Cylindrical worm gear is the general term for worm and gear.

　　(3) Other special gears:

　　Face gear: It is a disc-shaped face gear that can mesh with a spur gear or helical gear.

　　Drum-shaped worm gear: The general term for the concave drum-shaped worm and the gear that meshes with it.

　　Halberd Gear: A conical gear that conveys a staggering axis. Shaped like a curved bevel gear.