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141b REPLACEMENT CUTS SOLVENT COSTS BY OVER 85%
Kerry system helps lens manufacturer to see the light
Following the installation of a Kerry Microsolve
mono-solvent ultrasonic cleaning system,
lens manufacturer Cooke Optics is now saving £250 per week in cleaning costs. Whereas the company's previous weekly consumption of solvent 141B was between 60 and 70 litres, Kerry's three-sump Microsolve 450/3M allowed Cooke Optics to reduce this figure to
just 7-8 litres.
The Kerry plant enabled Cooke Optics to switch to a more environmentally friendly solvent once it had exhausted its stock of 141B. 141B is classed as an ozone-depleting substance under
EC Regulation 2037/2000 and its use was subjected to a general ban from 1 January 2002. Cooke Optics' previous machine was incapable of operating on new environmentally acceptable solvents.
John Monaghan, Glass Production Manager at Cooke Optics, opted for the Kerry unit after careful consideration. "I looked at three manufacturers in considerable detail, visited people who used the plants and made my decision. It is, in my opinion, the best plant of its type on the market."
The lenses produced by Cooke Optics are intended for cinematic cameras and range from 20mm to 120mm in diameter. Approximately a fifth of them are prone to thermal shock and will shatter at a sudden rise in temperature of more than 20°C.
Airborne dust, tissue residue and finger prints are removed from the optics prior to final assembly. This is carried out in an air-conditioned cleanroom within laminar flow booths to ensure that rejects are kept to a minimum. Lenses first undergo an ultrasonic clean with filtration. Two rinse stages, one in filtered solvent and the other in vapour, leave products needing only a freeboard dry before they are ready for packaging.
Free component trials
Whether your interest is in blast, wash or ultrasonic cleaning equipment, we offer FREE component trials, with no obligation to buy. To contact Guyson International, call on +44 (0)1756 799911, fax +44 (0)1756 790213, or email info@guyson.co.uk.
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