Now the mainstream direction of bevel gears:

A, machined zero-degree spiral bevel gears instead of machined straight bevel gears

B. The gears of the machined bevel gears are Gleason arc gears, Oricon cycloid gears and other helical gears.

C. The tooth system used in mold processing is spherical involute straight bevel gear and spherical involute equidistant spiral bevel gear.

D. The forming method of CNC is suitable for various tooth systems, but the tooth profile generally uses a spherical involute.