EN ISO 1089:2023
(Main)Resistance welding equipment - Electrode taper fits for spot welding equipment - Dimensions (ISO 1089:2023)
Resistance welding equipment - Electrode taper fits for spot welding equipment - Dimensions (ISO 1089:2023)
This document specifies the dimensions and tolerances of taper fits between the following:
— straight electrodes and electrode holders;
— electrode adapters connecting electrode caps and electrode holders;
— female electrode caps and electrode adapters;
— male electrode caps and electrode adapters.
NOTE Electrode holders and electrode caps utilizing locking tapers are addressed in ISO 20168.
Widerstandsschweißeinrichtungen - Elektrodensitze für Punktschweißeinrichtungen - Maße (ISO 1089:2023)
Dieses Dokument legt Maße und zulässige Abweichungen von Kegelsitzen zwischen den folgenden Elementen fest:
gerade Elektroden und Elektrodenhalter;
Elektrodenschäfte, Elektrodenkappen und Elektrodenhalter;
Elektrodenkappen mit Innenkegel und Elektrodenschäfte;
Elektrodenkappen mit Außenkegel und Elektrodenschäfte.
ANMERKUNG Elektrodenhalter und Elektrodenkappen, die selbsthemmende Kegel verwenden, werden in ISO 20168 behandelt.
Matériel de soudage par résistance - Emmanchements coniques d'électrodes pour machines à souder par points - Dimensions (ISO 1089:2023)
Le présent document spécifie les dimensions et tolérances des emmanchements coniques entre les éléments suivants:
— des pointes d’électrodes droites et des porte-électrodes;
— des allonges d’électrodes reliant des embouts amovibles et des porte-électrodes;
— des embouts amovibles femelles et des allonges d’électrodes;
— des embouts amovibles mâles et des allonges d’électrodes.
NOTE Les porte-électrodes et les embouts amovibles utilisant des cônes de serrage sont couverts dans l’ISO 20168.
[Not translated]
General Information
- Status
- Published
- Publication Date
- 25-Jul-2023
- Technical Committee
- CEN/TC 121 - Welding
- Drafting Committee
- CEN/TC 121 - Welding
- Current Stage
- 6060 - Definitive text made available (DAV) - Publishing
- Start Date
- 26-Jul-2023
- Completion Date
- 26-Jul-2023
Relations
- Replaces
EN 21089:1991 - Electrode taper fits for spot welding equipment - Dimensions (ISO 1089:1980) - Effective Date
- 28-Jan-2023
Overview
EN ISO 1089:2023 / ISO 1089:2023 specifies the dimensions and tolerances of electrode taper fits used in resistance spot welding equipment. Published by ISO and adopted by CEN as EN ISO 1089:2023 (July 2023), it replaces earlier editions (EN 21089:1991, ISO 1089:1980) and defines standard mechanical interfaces between electrodes, electrode caps, adapters and holders to ensure interchangeability and safe, repeatable performance in spot welding systems.
Key topics and technical requirements
- Scope: Dimensions and tolerances for taper fits between:
- straight electrodes and electrode holders,
- electrode adapters (connecting electrode caps and holders),
- female electrode caps and adapters,
- male electrode caps and adapters.
- (Locking tapers are covered separately in ISO 20168.)
- Taper types: Standardized taper families (Types A, B, C, D) are defined for straight thrust and eccentric loading; an Annex provides alternative 1:9.6 tapers (RWMA-style).
- Figures and tables: Detailed drawings (Figures 1–4) and dimensional tables (Tables 1–4, Annex A) give diameters, taper lengths, gauge diameters, cooling-hole diameters and associated maximum fit forces.
- Tolerances & inspection: Taper angle and dimensional tolerances are specified (Table 5); taper fits are checked using taper plug and ring gauges per ISO 5822.
- Designation & marking: Required designation format (e.g., “ISO 1089 - A16” or marking on parts as “A16”) for identification and traceability.
- Normative references: Includes welding vocabulary and definitions from ISO 17677-1.
Applications and who uses it
- Welding equipment manufacturers: to design electrode holders, adaptors and caps that are mechanically compatible with industry-standard electrodes.
- Tooling and consumables suppliers: to produce interchangeable electrodes and caps (ensures correct fit, cooling and electrical contact).
- Welding engineers and process designers: to select appropriate taper types for straight or eccentric loading and to assess maximum taper-fit forces.
- Maintenance and quality teams: for inspection, replacement and verification using taper gauges and for marking/identification of components.
- Purchasing/procurement: to specify compliant parts and avoid mismatched fittings that can cause poor contact, overheating or premature wear.
Related standards
- ISO 20168 - locking taper electrode holders and caps (separate topic)
- ISO 5822 - taper plug and ring gauges (inspection)
- ISO 17677-1 - resistance welding vocabulary (terms/definitions)
- EN ISO 1089:2023 - CEN endorsement (national adoption across CEN members)
This standard is essential for ensuring interchangeability, safety and consistent performance in resistance spot welding equipment through standardized electrode taper dimensions and inspection practices.
Frequently Asked Questions
EN ISO 1089:2023 is a standard published by the European Committee for Standardization (CEN). Its full title is "Resistance welding equipment - Electrode taper fits for spot welding equipment - Dimensions (ISO 1089:2023)". This standard covers: This document specifies the dimensions and tolerances of taper fits between the following: — straight electrodes and electrode holders; — electrode adapters connecting electrode caps and electrode holders; — female electrode caps and electrode adapters; — male electrode caps and electrode adapters. NOTE Electrode holders and electrode caps utilizing locking tapers are addressed in ISO 20168.
This document specifies the dimensions and tolerances of taper fits between the following: — straight electrodes and electrode holders; — electrode adapters connecting electrode caps and electrode holders; — female electrode caps and electrode adapters; — male electrode caps and electrode adapters. NOTE Electrode holders and electrode caps utilizing locking tapers are addressed in ISO 20168.
EN ISO 1089:2023 is classified under the following ICS (International Classification for Standards) categories: 25.160.30 - Welding equipment. The ICS classification helps identify the subject area and facilitates finding related standards.
EN ISO 1089:2023 has the following relationships with other standards: It is inter standard links to EN 21089:1991. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
You can purchase EN ISO 1089:2023 directly from iTeh Standards. The document is available in PDF format and is delivered instantly after payment. Add the standard to your cart and complete the secure checkout process. iTeh Standards is an authorized distributor of CEN standards.
Standards Content (Sample)
SLOVENSKI STANDARD
SIST EN ISO 1089:2023
01-november-2023
Nadomešča:
SIST EN 21089:1998
Oprema za uporovno varjenje - Nastavki elektrod pri opremi za točkovno varjenje -
Mere (ISO 1089:2023)
Resistance welding equipment - Electrode taper fits for spot welding equipment -
Dimensions (ISO 1089:2023)
Widerstandsschweißeinrichtungen - Elektrodensitze für Punktschweißeinrichtungen -
Maße (ISO 1089:2023)
Matériel de soudage par résistance - Emmanchements coniques d'électrodes pour
machines à souder par points - Dimensions (ISO 1089:2023)
Ta slovenski standard je istoveten z: EN ISO 1089:2023
ICS:
25.160.30 Varilna oprema Welding equipment
SIST EN ISO 1089:2023 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
SIST EN ISO 1089:2023
SIST EN ISO 1089:2023
EN ISO 1089
EUROPEAN STANDARD
NORME EUROPÉENNE
July 2023
EUROPÄISCHE NORM
ICS 25.160.30 Supersedes EN 21089:1991
English Version
Resistance welding equipment - Electrode taper fits for
spot welding equipment - Dimensions (ISO 1089:2023)
Matériel de soudage par résistance - Emmanchements Widerstandsschweißeinrichtungen - Elektrodensitze
coniques d'électrodes pour machines à souder par für Punktschweißeinrichtungen - Maße (ISO
points - Dimensions (ISO 1089:2023) 1089:2023)
This European Standard was approved by CEN on 23 June 2023.
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. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.
This European Standard exists 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, Türkiye and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2023 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 1089:2023 E
worldwide for CEN national Members.
SIST EN ISO 1089:2023
Contents Page
European foreword . 3
SIST EN ISO 1089:2023
European foreword
This document (EN ISO 1089:2023) has been prepared by Technical Committee ISO/TC 44 "Welding
and allied processes" in collaboration with Technical Committee CEN/TC 121 “Welding and allied
processes” the secretariat of which is held by DIN.
This European Standard shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by January 2024, and conflicting national standards shall
be withdrawn at the latest by January 2024.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
This document supersedes EN 21089:1991.
Any feedback and questions on this document should be directed to the users’ national standards
body/national committee. A complete listing of these bodies can be found on the CEN website.
According to the CEN-CENELEC Internal Regulations, the national standards organizations of the
following countries are bound to implement this European Standard: 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, Türkiye and the
United Kingdom.
Endorsement notice
The text of ISO 1089:2023 has been approved by CEN as EN ISO 1089:2023 without any modification.
SIST EN ISO 1089:2023
SIST EN ISO 1089:2023
INTERNATIONAL ISO
STANDARD 1089
Second edition
2023-07
Resistance welding equipment —
Electrode taper fits for spot welding
equipment — Dimensions
Matériel de soudage par résistance — Emmanchements coniques
d'électrodes pour machines à souder par points — Dimensions
Reference number
ISO 1089:2023(E)
SIST EN ISO 1089:2023
ISO 1089:2023(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
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii
SIST EN ISO 1089:2023
ISO 1089:2023(E)
Contents Page
Foreword .iv
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Dimensions .1
5 Designation . 6
6 Marking . . 6
Annex A (informative) Alternative types and dimensions of female and male electrode
taper fits . 7
Bibliography . 8
iii
SIST EN ISO 1089:2023
ISO 1089:2023(E)
Foreword
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