pitch helix angle

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• Pitch helix — The pitch helix is the intersection of the tooth surface and the pitch cylinder of a helical gear or cylindrical worm.1Base HelixThe base helix of a helical, involute gear or involute worm lies on its base cylinder.Base Helix AngleBase helix… …   Wikipedia

• Helix angle — In mechanical engineering, a helix angle is the angle between any helix and an axial line on its right, circular cylinder or cone. [ANSI/AGMA. ANSI/AGMA Standards 1012 G05 Gear Nomenclature, Definitions of Terms with Symbols. American Gear… …   Wikipedia

• Pitch — may refer to:In music: * Pitch (music), the property of a sound or musical tone measured by its perceived frequency ** Range (music), the distance from the lowest to the highest pitch a musical instrument can play ** Vocal range, the distance… …   Wikipedia

• Helix — This article is about the shape. For other uses, see Helix (disambiguation). The helix (cos t, sin t, t) from t = 0 to 4π with arrowheads showing direction of increasing t …   Wikipedia

• Spiral angle — in a [http://www.spiralbevel.com/ spiral bevel] gear is the angle between the tooth trace and an element of the pitch cone, and corresponds to the helix angle in helical teeth. Unless otherwise specified, the term spiral angle is understood to be …   Wikipedia

• Nucleic acid double helix — Double helix redirects here. For other uses, see Double helix (disambiguation). Two complementary regions of nucleic acid molecules will bind and form a double helical structure held together by base pairs. In molecular biology, the term double… …   Wikipedia

• Pi helix — Side view of a standard π helix of L alanine residues in atomic detail. Two hydrogen bonds to the same peptide group are highlighted in magenta; the oxygen hydrogen distance is 1.65 Å (165 pm). The protein chain runs upwards, i.e., its N terminus …   Wikipedia

• geometrical pitch — noun : the distance an element of an airplane propeller would advance in one revolution if it were moving along a helix having an angle equal to that between the chord of the element and a plane perpendicular to the propeller axis …   Useful english dictionary

• List of gear nomenclature — Gears have a wide range of unique terminology known as gear nomenclature. Many of the terms defined cite the same reference work.[1] Contents 1 Addendum 2 Addendum angle 3 Addendum circle …   Wikipedia

• Gear — For the gear like device used to drive a roller chain, see Sprocket. This article is about mechanical gears. For other uses, see Gear (disambiguation). Two meshing gears transmitting rotational motion. Note that the smaller gear is rotating… …   Wikipedia

• Propeller — A propeller is essentially a type of fan which transmits power by converting rotational motion into thrust for propulsion of a vehicle such as an aircraft, ship, or submarine through a mass such as water or air, by rotating two or more twisted… …   Wikipedia