* * *
Universalium. 2010.
pitch-surface — see pitch n.2 26 … Useful english dictionary
pitch surface — noun Etymology: pitch (IV) : the surface of either of two tangent imaginary friction wheels having the same axes and the same angular velocities as those of a pair of real gears in mesh * * * (in a gear or rack) an imaginary surface forming a… … Useful english dictionary
Pitch plane — The pitch plane of a pair of gears is the plane perpendicular to the axial plane and tangent to the pitch surfaces. A pitch plane in an individual gear may be any plane tangent to its pitch surface.The pitch plane of a rack or in a crown gear is… … Wikipedia
pitch cone — noun Etymology: pitch (IV) : a cone that constitutes the pitch surface of an ordinary bevel gear * * * Mach. See under pitch surface … Useful english dictionary
pitch cylinder — noun Etymology: pitch (IV) : a cylinder that constitutes the pitch surface of a spur gear * * * Mach. See under pitch surface … Useful english dictionary
Pitch circle — In mechanical engineering, a pitch circle (operating) is the curve of intersection of a pitch surface of revolution and a plane of rotation. It is the imaginary circle that rolls without slipping with a pitch circle of a mating gear.1 Notes 1.… … Wikipedia
Pitch cone — A pitch cone is the imaginary cone in a bevel gear that rolls without slipping on a pitch surface of another gear. [ ANSI/AGMA 1012 G05 , Gear Nomenclature, Definition of Terms with Symbols .] Notes … Wikipedia
pitch hyperboloid — noun Etymology: pitch (IV) : a hyperboloid that constitutes the pitch surface of a skew bevel … Useful english dictionary
pitch cone — Mach. See under pitch surface. * * * … Universalium
pitch cylinder — Mach. See under pitch surface. * * * … Universalium
