23 articles in this issue
Corne Schutte
“The Fourth Industrial Revolution is still in its nascent state. But with the swift pace of change and disruption to business and society, the time to join in is now.” Gary Coleman, Global Industry and Senior Client Advisor, Deloitte ... see more
Dieter Hartmann,Teresa Hattingh
The fourth industrial revolution has become a popular topic in nearly every industry in South Africa. But what exactly does everyone mean by this revolution, and what is its potential impact on South African companies? This paper presents thoughts on the ... see more
Toussaint Victor Bamporiki,James Bekker
In this paper, the authors present the development of an optimisation suite and its implementation. This paper is part of an ongoing project that aims at developing a hybrid metaheuristic optimisation suite to solve multi-objective simulation optimisation... see more
Janine Booysen,Walter Booysen,Marius Kleingeld
The proposed South African carbon tax system forms part of an extensive structure of strategies aimed at addressing the main challenges of climate change. The system is, however, complex, with various concerns and uncertainties. Industries therefore... see more
Eric Lutters
Establishing production environments requires joint decision-making by stakeholders from many disciplines at different levels of aggregation, because of the significant, unpredictable, and risky investments involved. Pilot plants offer a platform to devel... see more
Biance´ Huysamen,Imke H de Kock,Louzanne Bam
Since 2010, pharmaceutical organisations have begun to provide drug patents in sub-Saharan Africa through the UN Medicine Patent Pool. This initiative allows any pharmaceutical manufacturer to access these patents and manufacture the drugs, thereby aiming... see more
Brandon Friedenstein,Charl Cilliers,Johann Van Rensburg
Compressed air systems are one of the most significant energy users on mines, with a contribution of about 20 per cent to the total electrical energy consumption on a mine. Research has shown that these compressed air networks are systemically inefficient... see more
Simphiwe Hlophe,Jacobus Krige Visser
Outages are needed for the maintenance of most continuously operated plants such as power plants, refineries, and petrochemical plants. Such plants comprise thousands of items of complex equipment and machinery that operate under rigorous operating condit... see more
Gideon Jacobus Maasz,Hasan Darwish
Industry 4.0 is an unavoidable global revolution with disruptive effects. Many sectors in South Africa are currently underprepared for the transformation that is necessary to stay competitive. An ever-present need therefore exists for the coun... see more
Mieke Henning,Devon Hagedorn-Hansen,Konrad H von Leipzig
The global annual biltong market value was estimated at roughly R640 million to R1.1 billion in 2003. By 2015, biltong sales were reported to be more than R2.5 billion. To stay competitive as a biltong manufacturing company in an ever-changing... see more
Alfred Mutizwa Chitongo,Leon Pretorius
Project controls have been defined in the existing literature as managerial decisions and actions aimed at rectifying poor project performance. Understanding the potential unintended negative effects of such controls will be beneficial to project manageme... see more
Getnet Bogale Fanta,Leon Pretorius
There is evidence that several eHealth pilot projects in developing countries could not progress to full-scale implementation — sometimes referred to as the ‘pilotitis’ of the eHealth system. The sustainable eHealth implementation frameworks reported in t... see more
Anthon P Botha
The future being shaped by Industry 4.0 has arrived. Tools are available that anticipate the future, approximate it, estimate it, and select a preferred future; but do we know how to make disruptive futures part of our business and lives? Building on tech... see more
Suzaan Pretorius,Herman Steyn,Taryn Jane Bond-Barnard
Currently, many organisations experience challenges as a result of uncertainty, fast-changing environments, globalisation, and increasingly complex work tasks. In order to adapt to these challenges, a shift in leadership style may be needed. Traditionally... see more
Willem Louw,Jan Wium,Herman Steyn,Wim Gevers
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Paul Kruger,V S Yadavalli
Writing numbers for counting and record-keeping predates the art of writing by a considerable margin. Never in the history of humankind has the urge to count and to measure everything been so prevalent as today. Numbers were traditionally used... see more
Pieter Peach,Johan Bredenkamp,Johann van Rensburg
Artificial cooling remains vital to the deep-level mining industry. This is mainly to ensure a safe underground working environment. Unfortunately, the refrigeration systems of South African gold mines are outdated. Aging infrastructure and increasing dis... see more
Vivek Bhagwan,Sara (Saartjie) Grobbelaar,Wouter Bam
Organisations are under constant pressure to grow in the face of increased competition, changing conditions, and increasingly relaxed country and currency regulatory environments. In order to remain a player or an idustry leader, it’s imperati... see more
Locadia Linda Tombido,L. Louw,Joubert Van Eeden
The concepts of Industry 4.0 and closed loop supply chains are becoming popular as logistics management evolves. Industry 4.0, through its instruments such as cloud manufacturing and the Internet of Things, has been known to improve operations manag... see more
Ruan Luies,Stephanus Terblanche,Magdalena Grobler
The use of automated network planning systems is crucial for reducing the deployment cost and planning time of passive optical telecommunication networks. Mixed integer linear programming is well suited for the purpose of modelling passive optical network... see more
Jacques Combrinck,Kobus van der Walt,Gerrie Booysen,Deon de Beer
This paper describes the possibility of using laser-sintered Alumide® as an alternative material for producing rapid tooling (RT) inserts. To determine the durability of Alumide® inserts for the injection moulding (IM) process, a product with geometrical ... see more
Amos Mwangi Muiruri,M Maringa,WB du Preez,LM Masu
The response of direct metal laser sintering (DMLS) produced Ti6Al4V (ELI) to impact was investigated using an instrumented Charpy impact test machine and V-notch specimens. Impact toughness testing was conducted over the temperature range of -130oC to 25... see more
Lerata Botsane Malefane,WB du Preez,M Maringa,A du Plessis
The tensile and high cycle fatigue (HCF) properties of high temperature annealed (HTA) direct metal laser sintered (DMLS) Ti6Al4V extra low interstitial (ELI) machined and polished specimens were investigated. The HTA heat treatment of the specimens resul... see more