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RESISTANCE WELDING - WELDING CURRENT MEASUREMENT FOR RESISTANCE WELDING - PART 1: GUIDELINES FOR MEASUREMENT

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-2007

Publisher

National Standards Authority of Ireland

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For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.

Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Welding current measuring system
  4.1 General
  4.2 Applicability
  4.3 Accuracy
  4.4 Welding current meter with current sensing coil
5 Current sensors
  5.1 Type of sensor
  5.2 Selection of current sensor
  5.3 Conversion coefficient
6 Tests and calibration of the welding current measuring
  systems
7 Selection of requirements and test procedures for a
  welding current measuring system
Annex A (normative) Definition of weld times
Annex B (informative) Types of integrator and equivalent
                      current sensing coil circuits
Annex C (informative) Conversion coefficient and maximum
                      output voltage of current sensing
                      coils

Specifies equipment for the calibration of measuring systems of welding current and indicating weld time in resistance welding using single-phase alternating current of frequency 50 Hz or 60 Hz, or direct current.

DocumentType	Standard
Pages	24
PublisherName	National Standards Authority of Ireland
Status	Current

Standards	Relationship
EN ISO 17657-1:2007	Identical
ISO 17657-1:2005	Identical
BS EN ISO 17657-1:2007	Identical
DIN EN ISO 17657-1 E : 2007	Identical
UNI EN ISO 17657-1 : 2008	Identical
DIN EN ISO 17657-1:2007-09	Identical