African Fusion March 2017

Contents

March 2017

FEATURES 4 In conversation with SAIW’s president

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African Fusion talks to SAIW president Morris Maroga about his career, his outlook for the welding industry in South Africa a different approach to skills development. 6 Next generation inspectors qualify African Fusio n reports on SAIW’s first graduation dinner for 2017. 8 WorldSkills SA and the new approach to artisan training African Fusion talks to SAIW’s Etienne Nell about WorldSkills SA, artisan training and trade tests. 10 HC Heat Exchangers exceeds challenging re- quirements African Fusion talks to ISO 3834 Part 2-certified HC Heat Exchangers’ welding coordinator, Hans Banza. 14 Extending the life of welded components through UP Jacob Kleiman and Yuri Kudryavtsev present work about the use of peening (UP), to prevent fatigue crack initiation and extend the service life of welded products. 18 Welding solutions for LNG/LEG MarcoEngelvaartofvoestalpineBöhlerWelding inGermany, talks about his company’s solutions for cryogenic LNG ap- plications. 24 Modern industrial spot welding solutions This article presents Yaskawa’s compact and flexible system for high-speed robot-based spot welding. 26 Coating solutions for the sugar industry A compilation of articles from South Africa’s surface engi- neering and thermal spray coating technology specialist, Thermaspray. 28 Plant maintenance – An early NDT perspective SAINT president Keith Cain remembers the early days of shutdowns and RTS projects and draws some lessons. 30 ESAB expands regional support AfricanFusion talkstoESAB’sregionalproductsupportteam: Keith Saunders, Brett Cameron and Eugene van Dyk. 32 G-Plant CSI fund success Air Products celebrates the completion of projects at Seeiso Primary, Lebohang Secondary and Bophelong Primary schools. 33 FlexArc: a new generation welding cell Raising quality and productivity standards using Modular andmodern standardised robot cells suchas ABB’s FlexArc®. REGULARS 3 Sean’s comment 12 Front cover story: Advanced training solutions: from virtual to real 34 Welding and cutting forum 36 Today’s technology: CMT upgrade for robotics power source

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Editor: Peter Middleton E-mail: peterm@crown.co.za Advertising: Helen Couvaras E-mail: helencou@crown.co.za Publisher: Karen Grant Deputy publisher: Wilhelm du Plessis Cover design: Lincoln Electric Production & layout: Darryl James Circulation: Karen Smith Subscriptions: Wendy Charles Printed by: Tandym Print

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Following the proven success of the VRTEX® virtual training solution, Lincoln Electric is launching its REALWELD® training system into South Africa, a monitoring and live coaching system designed to moni- tor skills during real welding. African Fusion talks to Benoit Lamotte and training school specialist, Louis Uys of Airtrax.

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March 2017

AFRICAN FUSION