MechChem Africa April 2019

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Power transmission, bearings, bushes and seals 8 Bearing and seal design for tunnel boring machines The safe, reliable operation of tunnel boring equipment relies on the integrity of critical bearings and seals.This article from SKF describes the design considerations involved in arriving at suitable solutions.

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10 Flexibility, innovation and tailormade drive solutions 13 Regular wear checks, better maintenance management 15 The Cross-Check Torque Seal from DYKEM Hydraulic and pneumatic systems 16 How I4.0-based machines benefit from automation platform

Published monthly by Crown Publications cc Cnr Theunis and Sovereign Streets Bedford Gardens 2007 PO Box 140, Bedfordview, 2008 Tel: +27 11 622 4770 e-mail: mechchemafrica@crown.co.za www.mechchemafricamagazine.co.za Editor: Peter Middleton e-mail: peterm@crown.co.za Assistant editor: Phila Mzamo e-mail: philam@crown.co.za Advertising: Brenda Karathanasis e-mail: brendak@crown.co.za Design: Darryl James Publisher: Karen Grant Deputy publisher: Wilhelm du Plessis Circulation: Brenda Grossmann The views expressed in this journal are not necessarily those of the publisher or the editors. P U B L I C A T I O N S CR O WN P U B L I C A T I O N S CR O WN 2015/02/10 01:17:09PM

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From the early days of Industry 4.0, Festo has been deeply engaged and has built up significant experience in research, production and process optimisation. Now an impressive automation platform enables the company’s customers to do the same. Eberhard Klotz, head of Industry 4.0 at Festo, explains. 17 Hytec appointed African service partner to ZOLLERN 19 Rand-Air oil-free compressors assist luxury vehicle manufacturer 20 BMG strengthens partnership with Eaton Hydraulics 21 Revolutionising cost and quality for a flawless spray-painting finish Automation, process control, instrumentation and CAE 22 Swerve robotic platform relies on SICK LiDAR sensor A SICK Automation LiDAR sensor was used to build a winning robotic platform in the prestigious Drexel University’s annual College of Engineering (CoE) senior project design competition. 25 SimLab slashes simulation cycle time for SMEs Petra Diamonds has installed a modern, fit-for-purpose diamond processing plant at its Cullinan Diamond Mine (CDM) that incorporates thyssenkrupp autogenous grinding (AG) mills and HPGRs (high-pressure grinding rolls) in the processing circuit. 30 BenchREMOTE monitor for Elf Drilling 32 Nanotechnology and the changing coatings industry Innovative engineering 38 CPO software for true energy savings Russell Hattingh, engineering manager for Johnson Controls Systems & Service in South Africa, talks about Central Plant Optimisation (CPO) software, which, he argues, offers better energy savings than any building management system (BMS) alone. Regulars 2 Peter’s comment: Load shedding – taking back control 4 On the cover: 80 GHz radar secures cosmetic material supply VEGA Controls’ Jürgen Skowaisa talks about replacing existing sensors with new-generation devices without having to incur the effort and expenses of new approvals. 6 SAIChE IChemE News From process engineering to quality management: MechChem Africa profiles Qasim Fakir. 34 Product and industry news 40 Back page: Tyres for autonomous shuttle service 26 Updated Studio 5000 for enhanced industrial security 27 Sandvik’s AutoMine backs mixed fleet operations Minerals processing, metallurgy and materials 28 CDM’s high-efficiency diamond recovery circuit

Transparency You Can See Average circulation October-December 2018: 5 171 Printed by: Tandym Print, Cape Town

Cover story: VEGA Controls Frikkie Streicher Tel: +27 82 564 6367 frikkie.streicher@vega.com

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April 2019 • MechChem Africa ¦ 1