cap T equals the fraction with numerator cap F sub u center dot cap D and denominator 2000 center dot eta end-fraction is the pitch diameter in mm and is the system efficiency) Linear Velocity (

The distance between corresponding points on adjacent teeth. $$P = \pi \times m$$

A good PDF provides tables for backlash versus module and quality grade (Q5 to Q12).

: Pitch diameter (mm); divided by 2000 to get radius in meters. www.apexdyna.nl 4. Gear Strength (Lewis Formula)

): The diameter of the pinion where the teeth of the rack and pinion theoretically meet. Formula: is the number of teeth on the pinion). Circular Pitch (