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Advanced Beam Welding Techniques in Engineering Technology

This tutorial covers beam welding methods including laser and electron beam welding, their advantages, disadvantages, and applications in engineering technology. Learn about the principles, benefits, and challenges of beam welding processes to enhance your technical knowledge. Explore the high precision and strength capabilities of electron beam welding, along with the high speed and narrow welding width advantages of laser beam welding. Discover the energy transfer mechanisms, weld joint formation, and protective gas requirements for successful beam welding. Gain insights into the investment costs, shielding needs, and material compatibility of these advanced welding techniques. Use this resource to deepen your understanding of beam welding practices in various industries. 8 Relevant

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Advanced Beam Welding Techniques in Engineering Technology

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  1. Anglicky v odborných předmětech"Support ofteachingtechnicalsubjects in English“ Tutorial: Engineering technology Topic: Beamwelding Prepared by: Ing. Josef Martinák st. Projekt Anglicky v odborných předmětech, CZ.1.07/1.3.09/04.0002 je spolufinancován Evropským sociálním fondem a státním rozpočtem České republiky.

  2. Beam welding

  3. Beam welding • Energy is transferred by laser or electron beam • Melted material creates weld joint after cooling down • Weld is narrow, additional material is not necessary • Welding is usually done under protective gas

  4. Welding by laser beam • Beam focusing to point of 1 mm diameter will heat it up to 20.000 °C • Depth of weld depends on beam’s diameter speed of feed and laser efficiency

  5. Steering spindle – welded by laser beam

  6. Disadvantage of laser beam welding Advantages of laser beam welding • Welds all weld-able materials • High speed • Narrow welding width • Small temperature deformation • High tensile strength • Velké investiční náklady • Odstínění pracoviště proti uniknutí laserového paprsku

  7. Welding by electron beam

  8. Electron beam welding • Electron beam achieves narrower and deeper welds • It is an advantage to weld layer melt able metals (high melting temperature) • Alloys covered by layer of difficult melt able oxide (aluminum) • Field of using – aircraft building

  9. Advantage of electrode beam welding • Welding of difficult weld able metals, for example: titanium and its alloys • High precision of beam’s guidance and high weld strength

  10. Disadvantages of electron beam welding • High investment and operation costs • Difficult preparation of welding parts • Necessity of work place shielding against roentgen radiation

  11. Question and rerun • What are the advantages of electron beam welding?

  12. Used literature • DILLINGER, Josef. A KOL. Moderní strojírenství pro školu i praxi. 1. Praha: Europa-Sobotáles, 2007. ISBN 978-80-86706-19-1. • M. HLUCHÝ, J. KOLOUCH, R. PAŇÁK. Strojírenská technologie II

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