MechChem Africa July 2019

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Power transmission, bearings, bushes and seals 8 Digitalisation: unlocking the door to predictive maintenance

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“Digitalisation is progressing apace but putting it into practice requires a different way of working,” says Mattias Årstadius of SKF. Here, he outlines how bearing specialist SKF applies the technology to reduce downtime and improve machine performance. 11 Geared drives for applications from sewage to power 12 Using quality motors and gearboxes optimises screen economy 13 Multi-level E-house from Shaw Controls for oil & gas sector Hydraulic and pneumatic systems 14 Hytec Engineering invests in efficiency. Bosch Rexroth South Africa Group of Companies continues to invest in its production facilities, with Hytec Engineering the latest Group company to have optimised its manufacturing and repair operations.

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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16 Class 0 oil-free versus technically oil-free air 17 Digital solutions showcased at Automation Expo Automation, process control, instrumentation and CAE 18 Artificial intelligence in industrial manufacturing

Evert Janse van Vuuren from Omron Industrial Automation in Johannesburg, South Africa, talks about the implementation of artificial intelligence (AI) on production lines and unpacks the advantages of and the differences between cloud and edge computing. 20 Altair releases HyperWorks 2019 21 Start planning the i4.0 transition today 22 The future of automation with MOVI-C® system 23 MS2N Servo Motor breaks boundaries in the electric drives industry

Minerals processing and materials 24 Gravity concentration and SA’s spiral specialist.

MechChemAfrica visits the South African manufacturing facilities of Multotec’s Gravity Separation division and talks to the unit’s general manager, Wynand Erasmus, about spiral technology and the company’s latest product enhancements.

27 Solid support for mining entrepreneurs 28 Kwatani recognised for local manufacture 29 Bottom line benefits from composite mill liners Innovative engineering 32 Gypsum reprocessing for a cleaner environment.

Transparency You Can See Average circulation January-March 2019: 5 168 Printed by: Tandym Print, Cape Town

Since the late 1970s, OMV (Pty) Ltd has been reprocessing a waste gypsum dump created by a phosphate fertiliser plant in Potchefstroom. MechChem Africa visits this now modernised plant and talks to OMV mechanical engineer, Marinus van den Berg and the company’s MD, Oscar Goudriaan. Regulars 2 Peter’s comment: Ramaphosa’s Vision 2030 4 On the cover: The best-fit approach to compressed air Atlas Copco’s Wayne Jacobs and JC Lombard talk about the company’s fit-for-purpose air solutions. 6 SAIChE IChemE News: A love of research as the springboard for teaching MechChem Africa profiles current SAIChE IChemE president, David Lokhat. 30 Product and industry news 36 Back page: Ultra-heavy-duty bulk bag filler with integral conveyor

Front cover: Atlas Copco Contact: Wayne Jacobs wayne.jacobs@atlascopco.com +27 11 821 9891 www.atlascopco.co.za

Publisher of the Year 2018 (Trade Publications)

July 2019 • MechChem Africa ¦ 1