EN ISO 18278-3:2017 PDF

Name: EN ISO 18278-3:2017 — Resistance welding - Weldability - Part 3: Evaluation procedures for weldability in spot weld bonding (ISO 18278-3:2017)
SKU: EN ISO 18278-3:2017
Price: 81.94 EUR
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Resistance welding - Weldability - Part 3: Evaluation procedures for weldability in spot weld bonding (ISO 18278-3:2017)

Название (английский):

EN ISO 18278-3:2017

Resistance welding - Weldability - Part 3: Evaluation procedures for weldability in spot weld bonding (ISO 18278-3:2017)

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 28
Дата публикации:: 13 сентября 2017 г.
Издание:: CEN EN 18278 edition 1 version 1
ICS:: 25.160.10

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Описание (английский):

ISO 18278-3:2017 specifies procedures for the determination of the acceptable welding current range and the electrode life for spot weld bonding using resistance spot welding with adhesive bonding. ISO 18278-3:2017 is applicable for the evaluation of the weldability of prepared assemblies of uncoated and coated metal sheets with individual thicknesses from 0,4 mm to 6,0 mm.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

EN ISO 18278-3:2017 (ISO 18278-3:2017) specifies standardized evaluation procedures for weldability in spot weld bonding using resistance spot welding combined with adhesive bonding. The standard defines how to determine the acceptable welding current range and to estimate electrode life for prepared assemblies of uncoated and coated metal sheets with individual thicknesses from 0.4 mm to 6.0 mm. It is the CEN-adopted European version of the ISO document and is intended for consistent, repeatable qualification of spot weld bonding processes.

Key Topics

Scope and purpose: procedures to evaluate weldability for resistance spot weld bonding with adhesive.

Weld bonding equipment: requirements for electrodes, adhesive dispensing, storage chambers and welding machines.

Measurement parameters:

Temperature control
Amount of adhesive applied
Welding current and electrode force
Electrode cooling water flow rate

Result metrics:

Weld diameter measurement
Detection and criteria for expulsion

Preparation & setup:

Assembly preparation
Electrode alignment and conditioning
Mechanical settings and measurement of parameters

Test procedures:

Determination of welding current range (test specimens, parameter selection, pass/fail criteria, multi-sheet stack-ups)
Electrode life estimation (test specimens, procedure and interpretation of results)

Reporting: required content for test reports, including current range and electrode life test results.

Informative annexes: guidance on electrode alignment, current shunt specimens, steel-specific customer qualification, destructive test specimens, and example test reports.

Applications

EN ISO 18278-3:2017 is practical for organizations that need to qualify or optimize spot weld bonding processes, including:

Welding engineers and process development teams

Automotive OEMs and suppliers using adhesive-assisted spot welding

Sheet metal fabricators and electronics enclosures manufacturers

Quality and materials laboratories performing weldability assessments

Manufacturers of resistance welding equipment and electrodes

Typical use cases: defining allowable welding currents for a material/coating stack-up, selecting electrode materials and cooling for improved life, documenting qualification for customer or regulatory requirements, and troubleshooting expulsion or inconsistent welds in spot weld bonding.

Related Standards

ISO 18278-1:2015 - General requirements for weldability evaluation

ISO 14373 - Spot welding procedure for low carbon steels

ISO 669, ISO 5182, ISO 5821 - Resistance welding equipment, electrode materials and caps

ISO 17677-1 - Resistance welding vocabulary

Keywords: resistance welding, weldability, spot weld bonding, resistance spot welding, welding current range, electrode life, ISO 18278-3, EN ISO 18278-3:2017.

EN ISO 18278-3:2017 PDF

Abstract

Похожие стандарты

Overview

Key Topics

Applications

Related Standards

Технические детали

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