File:Map par adherence assemblage visse.svg

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Description
English: Locking parts by static friction (adherence): screwed assembly.

Free body diagram of the top part:

  •  : external action;
  •  : action of the screw on the top part (through the washer);
  •  : action of the support on the top part.

The locking works as long as says inside the static friction cone, i.e. as long as is smaller than where

  • is the tangent component;
  • is the normal component;
  • μ is the static friction factor;
μ = tan φ
Français : Maintien en position par adhérence : assemblage vissé.

Isolement de la pièce du haut :

  •  : action extérieure ;
  •  : action de la vis sur la pièce supérieure (via la rondelle);
  •  : action du support sur la pièce supérieure.

Le maintien en position est efficace tant que reste dans le cone d'adhérence, c.-à-d. tant que est inférieur à

  • est la composante tengentielle ;
  • est la compposante normale ;
  • μ est le facteur d'adhérence ;
μ = tan φ
Date
Source Own work
Author Cdang
 
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current09:26, 27 September 2012Thumbnail for version as of 09:26, 27 September 2012266 × 364 (55 KB)Cdang (talk | contribs)User created page with UploadWizard

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