Mechanical Technology August 2016

⎪ August 2016 contents ⎪

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ON THE COVER

FEATURES SPECIAL REPORT 8 Africa a major growth node for design consultancy

Ranked as one of the best global consultancies in design, transportation and general building, AECOM has unveiled its 2020 Africa strategy to capitalise on growth opportunities on the continent. PROACTIVE MAINTENANCE, LUBRICATION AND CONTAMINATION MANAGEMENT 10 Achieving reliability through applications engineering MechTech talks to Sarel Froneman of SKF about the global group’s redirection towards its core strength in bearings and the role of engineering services and customisations in resolving bearing reliability problems, optimising asset management and minimising the maintenance and ownership costs of rotating machinery. 14 Mario on maintenance: Practical proactive maintenance 17 Bulk fuel filtration essential for engine performance 18 Driving down DMS maintenance costs 19 Rapid mill motor repair for Rössing Uranium MATERIALS HANDLING AND MINERALS PROCESSING 20 The screen test – achieving maximum efficiency Corné Kleyn, product manager for screens at Weir Minerals Africa, explains how the efficiency of screens can be defined, measured and increased. 22 Automated storage systems improve bottom line David Stain of Zebra Technologies talks about modern trends in manufacturing and the solutions that allow plant operators to see what is happening in the enterprise in real time, helping them to make smarter and faster decisions. 30 Towards best-practice manufacturing in SA HEATING, COOLING, VENTILATION AND AIR CONDITIONING 32 Chillers earns SABC R7.9-million in energy savings Four York chillers installed at the SABC in Auckland Park are bringing energy and running costs down by R7.9-million per annum, ensuring a return on this investment in two-and-a- half years. 33 Back-channel cooling – a viable, sustainable and affordable solution 35 Innovative fan prototype for vapour compressor INNOVATIVE ENGINEERING 36 3D printing and the industrial potential of AM for metal components This article from the RapidTech 2016 show and conference discusses the latest develop- ments in 3D-printing and metal additive manufacturing technologies and the scope for and limitations of their use for industrial-scale production. REGULARS 1 Comment 4 On the cover: Technology for reduced costs and enhanced user competitiveness 6 Industry forum 38 Products and services 40 Nota bene 25 In-pit, semi-mobile crushing plants for increased efficiencies 26 Chute systems reduce degradation, dust and noise in steel plants LOCAL MANUFACTURING AND BENEFICIATION 28 Track and trace for manufacturing efficiency

Technology for reduced costs and en- hanced user competitiveness Festo South Africa’s Russell Schwulst talks to MechTech about how this global pneumatic and automation specialist is responding to the changing economic and production needs of its clients and how it has started to adopt Industry 4.0 technology principles in its own manufac- turing processes to improve production efficiency and reduce end-product costs.

For more information contact: Festo: Kershia Beharie 08600 FESTO (33786) kershia.beharie@festo.com. www.festo.co.za

Mechanical Technology — August 2016

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