Determination of screw pull out forces from screw thread channels

This document provides a test method for determining the bearing capacity (pull out force) of a connection consisting of a screw in a screw thread channel, which cannot be calculated in accordance with current codes or conventional calculations. This document can be applied to several products, including doors, windows and curtain walling.
This document applies to screw thread channels made out of metal as well as metal screws.
The pull out forces of such connections may already be assessed indirectly with another test method e.g. wind load resistance for doors/windows according to EN 12211 or curtain walling kits according to EN 12179. Additional information with respect to the mechanical performance of connections and direct applications can be determined with the test method described in this document.

Bestimmung der Schraubenausziehkräfte von Schraubgewindekanälen

Dieses Dokument enthält ein Prüfverfahren zur Bestimmung der Tragfähigkeit (Ausziehkraft) einer Verbindung, die aus einer Schraube in einem Gewindekanal besteht, die nicht nach geltenden Normen oder herkömmlichen Berechnungsverfahren berechnet werden kann. Dieses Dokument kann auf mehrere Produkte angewendet werden, einschließlich Türen, Fenster und Vorhangfassaden.
Dieses Dokument gilt für Gewindekanäle aus Metall sowie für Metallschrauben.
Die Ausziehkräfte solcher Verbindungen können bereits indirekt mit einem anderen Prüfverfahren bewertet werden, beispielsweise der Widerstandsfähigkeit gegen Windlast von Türen/Fenster nach EN 12211 oder von Vorhangfassadenbausätze nach EN 12179. Zusätzliche Angaben zur mechanischen Leistung der Verbindungen und zu den direkten Anwendungsbereichen können mit dem in diesem Dokument beschriebenen Prüfverfahren bestimmt werden.

Détermination de la résistance à l'arrachement des vis dans les canaux de vissage

Le présent document fournit une méthode d’essai permettant de déterminer la capacité portante (force d’arrachement) d’une liaison composée d’une vis insérée dans un canal de vissage, qui ne peut pas être calculée selon les codes courants ou avec les calculs habituels. Le présent document peut être appliqué à plusieurs produits, notamment les portes, les fenêtres et les façades rideaux.
Le présent document s’applique aux canaux de vissage en métal ainsi qu’aux vis métalliques.
La résistance à l’arrachement de ces types de liaisons peut déjà être évaluée indirectement avec une autre méthode d’essai, par exemple la résistance à la charge due au vent selon l’EN 12211 pour les portes/fenêtres ou selon l’EN 12179 pour les kits de façades rideaux. La méthode d’essai décrite dans le présent document permet de déterminer des informations additionnelles concernant la performance mécanique des liaisons et les applications directes.

Ugotavljanje izvlečne sile vijakov iz kanalov z navoji

General Information

Status
Not Published
Public Enquiry End Date
19-May-2020
Technical Committee
Current Stage
5020 - Formal vote (FV) (Adopted Project)
Start Date
28-Jun-2021
Due Date
16-Aug-2021
Completion Date
29-Jun-2021

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SLOVENSKI STANDARD
oSIST prEN 17490:2020
01-maj-2020
Ugotavljanje izvlečne sile vijakov iz kanalov z navoji
Determination of screw pull out forces from screw thread channels
Bestimmung der Schraubenausziehkräfte von Schraubgewindekanälen

Détermination de la résistance à l'arrachement des vis dans les canaux de vissage

Ta slovenski standard je istoveten z: prEN 17490
ICS:
21.060.99 Drugi vezni elementi Other fasteners
91.190 Stavbna oprema Building accessories
oSIST prEN 17490:2020 en,fr,de

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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oSIST prEN 17490:2020
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oSIST prEN 17490:2020
DRAFT
EUROPEAN STANDARD
prEN 17490
NORME EUROPÉENNE
EUROPÄISCHE NORM
March 2020
ICS 21.060.99
English Version
Determination of screw pull out forces from screw thread
channels

Détermination de la résistance à l'arrachement des vis Bestimmung der Schraubenausziehkräfte von

dans les canaux de vissage Schraubgewindekanälen

This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee

CEN/TC 33.

If this draft becomes a European Standard, CEN members are bound to comply with the CEN/CENELEC Internal Regulations

which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.

This draft European Standard was established by CEN in three official versions (English, French, German). A version in any other

language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC

Management Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,

Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,

Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and

United Kingdom.

Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are

aware and to provide supporting documentation.

Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without

notice and shall not be referred to as a European Standard.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels

© 2020 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 17490:2020 E

worldwide for CEN national Members.
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oSIST prEN 17490:2020
prEN 17490:2020 (E)
Contents Page

European foreword .......................................................................................................................................................................... 3

Introduction ........................................................................................................................................................................................ 4

1 Scope ...................................................................................................................................................................................... 5

2 Normative references ...................................................................................................................................................... 5

3 Terms and definitions ..................................................................................................................................................... 5

4 Symbols and abbreviations ........................................................................................................................................... 6

5 Definition of principle ..................................................................................................................................................... 6

6 Requirements ..................................................................................................................................................................... 6

6.1 Actuator ................................................................................................................................................................................. 6

6.2 Force measuring instruments ...................................................................................................................................... 6

7 Test specimens ................................................................................................................................................................... 7

7.1 Screw thread channel ...................................................................................................................................................... 7

7.2 Screw ...................................................................................................................................................................................... 7

8 Procedure ............................................................................................................................................................................. 8

8.1 Preparation for test .......................................................................................................................................................... 8

8.2 Loading and force measurement ................................................................................................................................ 8

8.3 Inspection after the termination of the test ........................................................................................................... 8

8.4 Number of test pieces ...................................................................................................................................................... 8

8.5 Evaluation of a metallic pressure plate and connection ................................................................................... 8

9 Details on application ...................................................................................................................................................... 9

9.1 Evaluation of a non-metallic fixing element........................................................................................................... 9

9.2 Geometry of the screw thread channel housing ................................................................................................ 10

9.3 Changing materials in the connection ................................................................................................................... 11

9.4 Changing the shape of the screw thread channel ............................................................................................. 11

9.5 Changing the screw ....................................................................................................................................................... 11

10 Test report ........................................................................................................................................................................ 12

Bibliography ..................................................................................................................................................................................... 13

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oSIST prEN 17490:2020
prEN 17490:2020 (E)
European foreword

This document (prEN 17490:2020) has been prepared by Technical Committee CEN/TC 33 “Doors,

windows, shutters, building hardware and curtain walling”, the secretariat of which is held by AFNOR.

This document is currently submitted to the CEN Enquiry.
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oSIST prEN 17490:2020
prEN 17490:2020 (E)
Introduction

This document provides a test method for assessing the screw pull out forces from screw thread channels

used frequently in the fenestration (doors, windows and curtain walling) market.

Using the results from this test method, a manufacturer has the ability to estimate the number of screws

to be applied to make sure that a given connection is able to withstand a particular loading scenario.

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oSIST prEN 17490:2020
prEN 17490:2020 (E)
1 Scope

This document provides a test method for determining the bearing capacity (pull out force) of a

connection consisting of a screw in a screw thread channel, which cannot be calculated in accordance

with current codes or conventional calculations. This document can be applied to several products,

including doors, windows and curtain walling.

This document applies to screw thread channels made out of metal as well as metal screws.

The pull out forces of such connections can already be assessed indirectly with another test method e.g.

wind load resistance for doors/windows according to EN 12211 or curtain walling kits according to

EN 12179. Additional information with respect to the mechanical performance of connections and direct

applications can be determined with the test method described in this document.
2 Normative references

The following documents are referred to in the text in such a way that some or all of their content

constitutes requirements of this document. For dated references, only the edition cited applies. For

undated references, the latest edition of the referenced document (including any amendments) applies.

EN ISO 7500-1, Metallic materials — Calibration and verification of s
...

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