Compressors combine for efficiency and economy
A
CompAir UK product story
Edited by the Engineeringtalk editorial team
Feb 20, 2008
An installation combining fixed and variable speed compressors is saving money at the Jaguar veneer manufacturing centre.
CompAir has helped Jaguar Cars to improve the energy efficiency of its veneer manufacturing centre, with a combination of its fixed and variable speed compressors.
The company, which employs more than 300 people at the site on Browns Lane, Coventry, produces the renowned interior wood veneers for its premium cars including the new Jaguar XF which features crafted satin American walnut.
CompAir compressors have been relied on at the veneer manufacturing centre for over 20 years.
The compressed air is needed to operate hand tools on the veneer line and create the vital air curtains which protect operators from the fine dust particles and wood chippings created when smoothing down the wood.
This process helps Jaguar to meet important health and safety standards, making it essential that the highest quality air is used.
Although the machines were still functioning reliably, CompAir carried out lifecycle cost analysis to determine if the existing compressor set up operated at optimum levels or whether new compressors would provide a much more efficient solution.
By studying how much it cost to run the machines, whether they provide efficient output compared with the energy going in and how much they cost to maintain and service, the tests showed that although the existing compressors were still meeting Jaguar's compressed air needs, new machines would offer lower lifecycle costs.
Colin Mander explains: "Just because a compressor is functioning reliably and has been for years, does not mean it still works as efficiently as the day is was installed".
"Technology evolves and today's machines offer more output for lower input meaning users can get more air for their money".
CompAir distributor Oscott Air recommended a combination of speed regulated (SR) and fixed speed compressors which would provide a more energy efficient compressor set-up.
Two L75R machines and a L75SR were installed from CompAir's L series range of oil injected rotary screw compressors.
The two fixed speed L75R machines provide the base power to the production line with the variable speed, switched reluctance L75SR compressor capable of fluctuating the speed of its drive motor to match power consumption with air demand.
The L series compressors are designed to provide high performance, low operating costs and reliability.
The machine's high output compression element with slow rational speed and its IP55 EFF1 high efficiency electric motor lowers energy usage, reducing CO2 emissions.
An automatic motor lubrication system ensures long bearing life and zero maintenance.
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