Gear Noise

gear ratio diagram

Gear whine – Generated by meshing gears due to the vibration caused by failure of the rolling action between the mating teeth due to: Minute imperfections in manufacture of Tooth pitch circle (radius and centre) – see Gear Design Tooth involute form – gear profile error results in the generation of gear noise at sub-harmonics … Read more

Gear Design

Fundamentally there are a few different gear designs: Bevel Gear – Conical shaped gears, the angle between the input and output shaft is anything except 0 or 180°. Double Helical Gear – The double helical gear gives a much smoother still operation than the spur or helical gear and reduces the noise levels further. However, … Read more