Pitch errors in helical surfaces

Compensation of the pitch errors in helical gears

“…It follows from [1] that (5) where σ ξ is the mean square deviation of the random pitch error of the helical surface. The goal here is to obtain the required distribution of the pseudorandom error ξ' with variable mean square deviation over the length of the helical sur face-in other words, to introduce the following func tion in Eq.…”