ISO 22705-3:2024

Springs — Measurement and test parameters — Part 3: Cold formed cylindrical helical torsion springs

This document specifies the measurement and test methods for general characteristics of cold formed cylindrical helical torsion springs made from round wire, excluding dynamic testing.

Ressort — Mesures et paramètres d'essai — Partie 3: Ressorts à torsion cylindrique, enroulés à froid

General Information

• Status: Published
• Publication Date: 04-Apr-2024
• ICS: 21.160 - Springs
• Technical Committee: ISO/TC 227 - Springs
• Drafting Committee: ISO/TC 227 - Springs
• Current Stage: 6060 - International Standard published
• Start Date: 05-Apr-2024
• Due Date: 17-Aug-2024
• Completion Date: 05-Apr-2024

Standards Content (Sample)

International
Standard
ISO 22705-3
First edition
Springs — Measurement and test
2024-04
parameters —
Part 3:
Cold formed cylindrical helical
torsion springs
Ressort — Mesures et paramètres d'essai —
Partie 3: Ressorts à torsion cylindrique, enroulés à froid
Reference number
ISO 22705-3:2024(en) © ISO 2024

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ISO 22705-3:2024(en)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2024
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: [phone]
Email: [e-mail]
Website: www.iso.org
Published in Switzerland

© ISO 2024 – All rights reserved
ii

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ISO 22705-3:2024(en)
Contents Page
Foreword .v
1 Scope . 1
2 Normative references . 1
3 Terms, definitions, symbols and abbreviated terms . 1
3.1 Terms and definitions .1
3.2 Symbols and abbreviated terms .2
4 Environmental conditions . 4
5 Qualifications of the person(s) performing the work . 5
6 Geometries of guiding and supporting devices . 5
7 Measuring and testing equipment . 5
8 Measurement and test parameter for technical cold formed cylindrical torsion springs . 5
8.1 Body length (L ) .5
B
8.1.1 General .5
8.1.2 Type of characteristic .5
8.1.3 Measuring and/or testing equipment .5
8.1.4 Conditions of measurement and testing .6
8.1.5 Method of measurement and testing .6
8.1.6 Test location on the product.7
8.2 Outside diameter (D ).7
e
8.2.1 General .
...

FINAL
INTERNATIONAL ISO/FDIS
DRAFT
STANDARD 22705-3
ISO/TC 227
Springs — Measurement and test
Secretariat: JISC
parameters —
Voting begins on:
2023-12-19
Part 3:
Voting terminates on:
Cold formed cylindrical helical torsion
2024-02-13
springs
Ressort — Mesures et paramètres d'essai —
Partie 3: Ressorts à torsion cylindrique, enroulés à froid
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 SUPPOR TING
DOCUMENTATION.
IN ADDITION TO THEIR EVALUATION AS
Reference number
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO-
ISO/FDIS 22705-3:2023(E)
LOGICAL, COMMERCIAL AND USER PURPOSES,
DRAFT INTERNATIONAL STANDARDS MAY ON
OCCASION HAVE TO BE CONSIDERED IN THE
LIGHT OF THEIR POTENTIAL TO BECOME STAN-
DARDS TO WHICH REFERENCE MAY BE MADE IN
NATIONAL REGULATIONS. © ISO 2023

---------------------- Page: 1 ----------------------
ISO/FDIS 22705-3:2023(E)
FINAL
INTERNATIONAL ISO/FDIS
DRAFT
STANDARD 22705-3
ISO/TC 227
Springs — Measurement and test
Secretariat: JISC
parameters —
Voting begins on:
Part 3:
Voting terminates on:
Cold formed cylindrical helical torsion
springs
Ressort — Mesures et paramètres d'essai —
Partie 3: Ressorts à torsion cylindrique, enroulés à froid
COPYRIGHT PROTECTED DOCUMENT
© ISO 2023
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
or ISO’s member body in the country of the requester.
RECIPIENTS OF THIS DRAFT ARE INVITED TO
ISO copyright office
SUBMIT, WITH THEIR COMMENTS, NOTIFICATION
OF ANY RELEVANT PATENT RIGHTS OF WHICH
CP 401 • Ch. de Blandonnet 8
THEY ARE AWARE AND TO PROVIDE SUPPOR TING
CH-1214 Vernier, Geneva
DOCUMENTATION.
Phone: [phone]
IN ADDITION TO THEIR EVALUATION AS
Reference number
Email: [e-mail]
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO-
ISO/FDIS 22705-3:2023(E)
Website: www.iso.org
LOGICAL, COMMERCIAL AND USER PURPOSES,
DRAFT INTERNATIONAL STANDARDS MAY ON
Published in Switzerland
OCCASION HAVE TO BE CONSIDERED IN THE
LIGHT OF THEIR POTENTIAL TO BECOME STAN-
DARDS TO WHICH REFERENCE MAY BE MADE IN
ii
  © ISO 2023 – All rights reserved
NATIONAL REGULATIONS. © ISO 2023

---------------------- Page: 2 ----------------------
ISO/FDIS 22705-3:2023(E)
Contents Page
Foreword .v
1 Scope . 1
2 Normative references . 1
3 Terms, definitions, symbols and abbreviated terms . 1
3.1 Terms and definitions . 1
3.2 Symbols and abbreviated terms . 2
4 Environmental conditions . 4
5 Qualifications of the person(s) performing the work . 5
6 Geometries of guiding and supporting devices . 5
7 Measuring and testing equipment . 5
8 Measurement and test parameter for technical cold formed cylindrical torsion
springs . 5
8.1 Body length (L ) .
...

ISO/TC 227 WG4 N34
Date: 2023-11-10
ISO/FDIS 22705-3:2023(E)
ISO/TC 227
Secretariat: JISC
Date: 2023-11-28
Springs — Measurement and test parameters — —
Part 3:
Cold formed cylindrical helical torsion springs
Ressorts - méthodes de mesure et d’essai - partie Ressort — Mesures et paramètres d'essai —
Partie 3: Ressorts à torsion cylindrique, enroulés à froid





FDIS stage

---------------------- Page: 1 ----------------------
ISO/FDIS 22705-3:2023(E)
© ISO 2023
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this
publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical,
including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can
be requested from either ISO at the address below or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: + 41 22 749 01 11
Fax: [phone]
EmailE-mail: [e-mail]
Website: www.iso.orgwww.iso.org
Published in Switzerland
ii © ISO 2023 – All rights reserved
ii © ISO 2023 – All rights reserved

---------------------- Page: 2 ----------------------
ISO/FDIS 22705-3:2023(E)
Contents
Foreword . vi
1 Scope . 1
2 Normative references . 1
3 Terms, definitions, symbols and abbreviated terms . 1
3.1 Terms and definitions . 1
3.2 Symbols and abbreviated terms . 2
4 Environmental conditions . 5
5 Qualifications of the person(s) performing the work . 5
6 Geometries of guiding and supporting devices . 5
7 Measuring and testing equipment . 6
8 Measurement and test parameter for technical cold formed cylindrical torsion springs . 6
8.1 Body length (L ) . 6
B
8.1.1 General . 6
8.1.2 Type of characteristic . 6
8.1.3 Measuring and/or testing equipment . 6
8.1.4 Conditions of measurement and testing . 7
8.1.5 Method of measurement and testing . 7
8.1.6 Test location on the product . 8
8.2 Outside diameter (D ) . 8
e
8.2.1 General . 8
8.2.2 Type of characteristic . 8
8.2.3 Measurement and/or testing equipment .
...