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lead of screw thread

См. также в других словарях:

  • 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

  • Screw — This article is about the fastener. For other uses, see Screw (disambiguation). Screws come in a variety of shapes and sizes for different purposes. U.S. quarter coin (diameter 24 mm) shown for scale. A screw, or bolt, is a type of fastener… …   Wikipedia

  • lead — [1] [pronounced LEED] A short connecting wire which makes electrical contact between two points. [2] [pronounced LEED] The distance from the thread crest of a bolt or screw to the adjacent crest of the same thread, i.e., the distance a screw… …   Dictionary of automotive terms

  • thread — I. noun Etymology: Middle English thred, from Old English thrǣd; akin to Old High German drāt wire, Old English thrāwan to cause to twist or turn more at throw Date: before 12th century 1. a. a filament, a group of filaments twisted together, or… …   New Collegiate Dictionary

  • Thread pitch gauge — Threading gauges, pictured on the right, are also referred to as pitch gauges and are used to measure the pitch or lead of screw threads. The uppermost gauge in the image is an ISO metric pitch gauge, the larger gauge in the center is for… …   Wikipedia

  • lead angle — ˈlēd noun Etymology: lead (II) : the angle between the tangent to a helix or screw thread and the plane perpendicular to the helical axis …   Useful english dictionary

  • Screw (simple machine) — Look up in Wiktionary, the free dictionary. of the machine. More threading increases the mechanical advantage. A rough comparison of mechanical advantage can be done by taking the circumference of the shaft of the screw and divide by the distance …   Wikipedia

  • lead — I. verb (led; leading) Etymology: Middle English leden, from Old English lǣdan; akin to Old High German leiten to lead, Old English līthan to go Date: before 12th century transitive verb 1. a. to guide on a way especially by going in advance b.… …   New Collegiate Dictionary

  • Unified Thread Standard — Threads per inch redirects here. For the textile term, see Glossary of textile manufacturing#T. The Unified Thread Standard (UTS) defines a standard thread form and series along with allowances, tolerances, and designations for screw threads… …   Wikipedia

  • Acme thread form — Acme threads are a common screw thread profile, which offers high strength with ease of machining and assembly. Typically found where large loads or accuracy is required as in vises or the lead screw of a lathe. Standardized variations include… …   Wikipedia

  • interrupted screw — noun : a screw from which sectors have been removed by longitudinal cuts through the threads so that it can be thrust into a reciprocally machined mating part and locked by only a fraction of a turn * * * a screw having the thread interrupted in… …   Useful english dictionary

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