pitch plane
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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 plane — Mach. See under pitch surface … 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 surface — (in a gear or rack) an imaginary surface forming a plane (pitch plane), a cylinder (pitch cylinder), or a cone or frustrum (pitch cone) that moves tangentially to a similar surface in a meshing gear so that both surfaces travel at the same speed … Universalium
Pitch cylinder — A pitch cylinder is the imaginary cylinder in a spur or helical gear that rolls without slipping on a pitch plane or pitch cylinder of another gear. [ ANSI/AGMA 1012 G05 , Gear Nomenclature, Definition of Terms with Symbols .] Notes … Wikipedia
Pitch of a plane — Pitch Pitch, n. 1. A throw; a toss; a cast, as of something from the hand; as, a good pitch in quoits. [1913 Webster] {Pitch and toss}, a game played by tossing up a coin, and calling Heads or tails; hence: {To play pitch and toss with… … The Collaborative International Dictionary of English
Pitch — Pitch, n. 1. A throw; a toss; a cast, as of something from the hand; as, a good pitch in quoits. [1913 Webster] {Pitch and toss}, a game played by tossing up a coin, and calling Heads or tails; hence: {To play pitch and toss with (anything)}, to… … The Collaborative International Dictionary of English
Pitch and toss — Pitch Pitch, n. 1. A throw; a toss; a cast, as of something from the hand; as, a good pitch in quoits. [1913 Webster] {Pitch and toss}, a game played by tossing up a coin, and calling Heads or tails; hence: {To play pitch and toss with… … The Collaborative International Dictionary of English
Pitch chain — Pitch Pitch, n. 1. A throw; a toss; a cast, as of something from the hand; as, a good pitch in quoits. [1913 Webster] {Pitch and toss}, a game played by tossing up a coin, and calling Heads or tails; hence: {To play pitch and toss with… … The Collaborative International Dictionary of English
Pitch circle — Pitch Pitch, n. 1. A throw; a toss; a cast, as of something from the hand; as, a good pitch in quoits. [1913 Webster] {Pitch and toss}, a game played by tossing up a coin, and calling Heads or tails; hence: {To play pitch and toss with… … The Collaborative International Dictionary of English
