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As a manufacturer of wind turbine gears, we're currently experiencing increasing demand due to the growing trend for environmentally friendly sources of power. As such, we're looking to improve efficiency and increase our output - can you advise us on the most efficient way to descale large turbine gearboxes and systems following production?


Rotary table wheelblast machines supplied by Wheelabrator Group are used to descale components up to two metres in diameter and length. Due to its suitability in cleaning large, heavy and awkward to handle components, the table type wheel blast machine sounds like the ideal solution.

Easy access to the machine allows parts to be loaded onto the table within the blast chamber with minimal effort. The table then rotates under the blast stream from one or two blast wheels allowing maximum exposure and a high production efficiency - production using the wheelblast process far exceeds that can be achieved with the airblast process.

As sources of renewable energy play an increasingly important role in the provision of global energy, Wheelabrator Group is more committed than ever to supporting providers of economical and environmentally responsible sources of power. We can provide a variety of solutions to the renewable energy market, to clean, peen or provide corrosion resistance to a variety of components.

I am currently using Trike as a vapour degreaser for the aircraft parts my company produces, prior to plating and painting. I'm keen to switch to a safer and more environmentally friendly method, can you recommend an alternative?

On October 31 last year, the Solvents Emissions Directive (SED) came into force restricting emissions from organic solvents, such as Trike, to limit worker exposure and protect their health.

As an alternative to simply switching solvents, which can be extremely expensive when upgrades to existing equipment are taken into consideration, I recommend you switch to aqueous cleaning and install a front loading spray wash cleaning system. These can be easily added into established production lines, require minimal training and are ideal for batch processing, so would suit your requirements perfectly.

Aqueous cleaning is no longer the costly process it once was, and is equally effective as solvents for removing grease, oil, dust, carbon, dirt and other contaminants. In addition, aqueous cleaning methods vastly reduce your company's impact on the environment and are also far safer for staff involved in the degreasing stage of manufacturing operations.

Send your questions for Lawson to finishing Forum, Finishing Magazine, Turret Group, 173 High Street, Rickmansworth, Herts, WD3 1AY.

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Date:Sep 1, 2008
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