February 2009
Running compressors more efficiently has become a major issue in recent years and the development and use of variable speed drives has become the most effective means of reducing the energy and financial cost of industrial air. Atlas Copco Compressor Technique business managers, Wayne Jacobs, Oil-Free Air Division and Philip Herselman, Industrial Air Division, discuss the efficiency savings and advantages of using VSDs for compressed air systems.
Front cover sponsored by
Atlas Copco
For further details contact:line Wayne Jacobs, business manager, Oil-Free Air Division
Tel: + 27 11 821 9120
email: wayne.jacobs@za.atlascopco.com
Regular Features
Comment
On the cover
Industry forum
Product and services round up
Nota bene
Heating, Cooling, Ventilation and Airconditioning
Compensating for the fouling of air-cooled heat exchangers
Hugh-Jean Nel, Leon Liebenberg and Francois Lombaard of the University of Pretoria summarise their research on the fouling of air-cooled heat exchangers (ACHEs) and make some suggestions about how engineers can improve overall efficiencies by taking the problem seriously at the design stage.
Removable insulation from Insulcon
Manufacturing Technology
Micro-manufacturing with inkjet printers
Professor Jan Korvink – Chair in Microsystems Technology for the Department of Microsystems Engineering (IMTEK) at the University of Freiburg, Germany and the director of Freiburg Institute for Advanced Studies (FRAIS), School of Soft Matter Research – and Patrick Smith, also of IMTEK – present an overview of on demand micro-manufacturing technology based on the use of inkjet printer technology.
Materials Handling and Logistics
Colour sorting machines to extend allmineral’s technology range
Udo Busch, managing director of allmineral (Pty) Ltd talks about the capabilities of the SEA range of colour sorting machines.
Recycling on the Skeleton coast
Jigging technology has positive impact on coal mining industry
Proactive maintenance, lubrication and contamination management
High performance automotive and industrial air filtration
Brian Barber, Donaldson’s aftermarket development manager and David Blane, its industrial air filtration director, talk about their new PowerCoreR media packaging for improved air filtration performance in much smaller packages.
Automatic energy monitoring and targeting
Oil: the lifeblood of the machine
Engen remains ahead of industrial lubrication needs
Special report
Sustaining the success of SA’s autocat industry
Rob Boyd, SA’s Catalytic Converter Interest Group (CCIG) executive director, tells MechTech about the autocat industry and its concerns.
