ISO 18278-2:2016 provides specific test procedures for the determination of the acceptable welding current range and the electrode life. It is applicable for the evaluation of the weldability of assemblies of uncoated and coated sheets of individual thicknesses from 0,4 mm to 6,0 mm.
Tämän julkaisun valmistelusta Suomessa vastaa Metalliteollisuuden Standardisointiyhdistys ry, puh. 09 19 231 (vaihde).
Sisällysluettelo
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Welding equipment
4.1 General
4.2 Electrodes
4.3 Welding current
4.4 Mechanical settings
4.5 Measurement of parameters
4.6 Measurement of results
5 Preliminary adjustments
5.1 Electrode alignment
5.2 Electrode conditioning
6 Determination of the welding current range
6.1 Test specimens
6.2 Welding parameters
6.3 Test procedure
6.4 Current range criteria
6.5 Three sheet and multiple stack-ups
7 Estimation of electrode life
7.1 Test specimens
7.2 Welding parameters
7.3 Procedure
7.4 Test criteria, interpretation of results
8 Test report
8.1 General
8.2 Welding current range
8.3 Electrode life
Annex A Electrode alignment (informative)
Annex B Specific conditions for steel sheet customer qualification (informative)
Annex C Test specimens for mechanical characterization (informative)
Annex D Example of test report for welding current range (informative)
Annex E Example of test report for electrode life test (informative)
ISO 10447:2015
ISO 14270:2000
ISO 14272:2000
ISO 14273:2000
ISO 14373:2015 Resistance welding -- Procedure for spot welding of uncoated and coated low carbon steels
ISO 15609-5:2011 Specification and qualification of welding procedures for metallic materials -- Welding procedure specification -- Part 5: Resistance welding
ISO 17653:2012 Resistance welding -- Destructive tests on welds in metallic materials -- Torsion test of resistance spot welds
ISO 17677-1:2009 Resistance welding -- Vocabulary -- Part 1: Spot, projection and seam welding
ISO 18278-1:2015 Resistance welding -- Weldability -- Part 1: General requirements for the evaluation of weldability for resistance spot, seam and projection welding of metallic materials
ISO 5182:2008 Resistance welding -- Materials for electrodes and ancillary equipment
ISO 5821:2009 Resistance welding -- Spot welding electrode caps
ISO 669:2000 Resistance welding -- Resistance welding equipment -- Mechanical and electrical requirements