thread helix

См. также в других словарях:

• Helix — He lix, n.; pl. L. {Helices}, E. {Helixes}. [L. helix, Gr. ?, ?, fr. ? to turn round; cf. L. volvere, and E. volute, voluble.] 1. (Geom.) A nonplane curve whose tangents are all equally inclined to a given plane. The common helix is the curve… …   The Collaborative International Dictionary of English

• helix — [hē′liks] n. pl. helixes or helices [hel′i sēz΄] [L, kind of ivy, spiral < Gr, a spiral < helissein, to turn around < IE base * wel , to turn, twist > WALK] 1. any spiral, as one lying in a single plane or, esp., one moving around a… …   English World dictionary

• 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

• helix — n spiral, screw, thread, corkscrew, whorl, twist, volute; coil, loop, ring, circumvolution; curl, curlicue, ringlet, tendril …   A Note on the Style of the synonym finder

• helix — /ˈhilɪks / (say heeliks), /ˈhɛl / (say hel ) noun (plural helices /ˈhɛləsiz / (say heluhseez), /ˈhil / (say heel ) or helixes) 1. a spiral. 2. Geometry the curve assumed by a straight line drawn on a plane when that plane is wrapped round a… …  

• helix —   n. (pl. ices ) any spiral formed object; rim of outer ear; snail shell; screw thread …   Dictionary of difficult words

• helix — A spiral, like the thread on a screw or a coil spring in a suspension system …   Dictionary of automotive terms

• Screw thread — Internal and external threads illustrated using a common nut and bolt. The screw and nut pair can be used to convert torque into linear force. As the screw (or bolt) is rotated, the screw moves along its axis through the fixed nut, or the non… …   Wikipedia

• left-hand screw thread — noun : a screw thread whose helix moves upward when the screw is inserted vertically from above in a fixed mating thread and turned clockwise …   Useful english dictionary

• right-hand screw thread — noun : a screw thread whose helix moves downward when the screw is inserted vertically from above in a fixed mating thread and turned clockwise …   Useful english dictionary

• Threading (manufacturing) — Threading is the process of creating a screw thread. More screw threads are produced each year than any other machine element.[1] There are many methods of generating threads, including subtractive methods (many kinds of thread cutting and… …   Wikipedia