BS EN 4677-002 - AEROSPACE SERIES - WELDED AND BRAZED ASSEMBLIES FOR AEROSPACE CONSTRUCTIONS - ELECTRON BEAM WELDING MACHINE - PART 002: QUALIFICATION SPECIFICATIONS

Available format(s)

Hardcopy , PDF

Language(s)

English

Publisher

British Standards Institution

1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviations
5 Construction requirements
6 Instructions manual
7 Checks to be made for machine qualification
   7.1 General
   7.2 Check frequency
   7.3 Nature of checks and results to be obtained
        7.3.1 Check electrical parameters (acceleration
              voltage, beam intensity and focusing
              intensity) according to EN ISO 14744-2,
              EN ISO 14744-3
        7.3.2 Check the stability of the position of the
              focal spot
        7.3.3 Checks of mechanical properties according
              to EN ISO 14744-4
        7.3.4 Check the rate of pressure rise according
              to Appendix A in standard EN ISO 14744-1
8 Checks to be made for extended qualification of machines
   8.1 General
   8.2 Characterization of weld beads
        8.2.1 General
        8.2.2 Test pieces
        8.2.3 Execution of the test
        8.2.4 Examinations to be made
   8.3 Result reproducibility check
        8.3.1 Test piece
9 Qualification report
Appendix A - Example qualification report
Appendix B - Stability, reproducibility and ripple ratio
             check sheets

BS EN 4677-002

Committee	ACE/61
DocumentType	Draft
Pages	16
PublisherName	British Standards Institution
Status	Current

EN ISO 14744-5:2000	Welding - Acceptance inspection of electron beam welding machines - Part 5: Measurement of run-out accuracy (ISO 14744-5:2000)
EN ISO 14744-3:2000	Welding - Acceptance inspection of electron beam welding machines - Part 3: Measurement of beam current characteristics (ISO 14744-3:2000)
EN ISO 14744-6:2000	Welding - Acceptance inspection of electron beam welding machines - Part 6: Measurement of stability of spot position (ISO 14744-6:2000)
EN ISO 14744-4 : 2000	Welding - Acceptance inspection of electron beam welding machines - Part 4: Measurement of welding speed (ISO 14744-4:2000)
EN ISO 14744-2:2000	Welding - Acceptance inspection of electron beam welding machines - Part 2: Measurement of accelerating voltage characteristics (ISO 14744-2:2000)
EN ISO 14744-1:2008	Welding - Acceptance inspection of electron beam welding machines - Part 1: Principles and acceptance conditions (ISO 14744-1:2008)
ISO 230-1:2012	Test code for machine tools — Part 1: Geometric accuracy of machines operating under no-load or quasi-static conditions
ISO 230-2:2014	Test code for machine tools Part 2: Determination of accuracy and repeatability of positioning of numerically controlled axes
EN 60204-1 : 2006 COR 2010	SAFETY OF MACHINERY - ELECTRICAL EQUIPMENT OF MACHINES - PART 1: GENERAL REQUIREMENTS