Which of the following is not a gear finishing process?

Option 1 : Gear hobbing

Gear finishing processes:

(1) Conventional finishing process for gears:

i) Gear shaving

ii) Gear grinding

iii) Gear honing

iv) Gear lapping

v) Gear burnishing

vi) Gear skiving

(2) Advanced finishing processes for gears:

i) Gear finishing by electrochemical honing.

ii) Gear finishing by electrochemical grinding.

iii) Gear finishing by abrasive flow finishing (AFF).

Gear hobbing:

• It is the process of generating gear teeth by means of a rotating cutter referred to as a “hob”
• Hobbing can be used to produce spur, Helical, & worm gears, as well as splines in almost material (ferrous and non-ferrous metals & plastics), but not bevel or internal gears.