Manufacturing of spur and helical gears

Various methods used for tooth cutting of spur and helical gears are listed below :

(1) Tooth milling;
(2) Hobbing;
(3) Shaping;
(4) Rack planning;
(5) Gear shaving;
(6) Gear grinding;
(7) Gear lapping;
(8) Gear honing, and
(9) Gear burnishing.

The last five processes (5) to (10) are gear teeth finishing processes where the gears are rough cut using one of the four earlier mentioned processes.