Article | REF: BM5560 V1

Modeling and calculating screw joints

Author: Jean GUILLOT

Publication date: July 10, 2007

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ABSTRACT

Taking into account their importance in mechanical construction, threaded fastener components are subjected to numerous standards. This article concerns the standardization of these elements used in the production of joints which are in high demand. It was designed to help engineers by providing them with the main data related to the characteristics of these elements, their test specifications, dimensions and tolerances. Methods for determining the tightening torque, calculating the static strength and bolt fatigue are also presented.

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AUTHOR

  • Jean GUILLOT: Professor Emeritus - Toulouse National Institute of Applied Sciences (INSAT)

 INTRODUCTION

This file deals with the standardization of threaded elements used to make highly stressed connections, and their static strength and fatigue characteristics. It is designed to provide the engineer with the main data needed to develop a relevant calculation, using the models and methods developed in the following files.

Notations and symbols

Symbol

Unit

Definition

A

%

elongation after break

A s

mm 2

resistant thread section...

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Modeling and calculation of screw connections. General