Product category:
Materials processing and testing
News Release from: Kerry Ultrasonics | Subject: Microsolve 450/3M
Edited by the Engineeringtalk Editorial
Team on 23 July 2002
Clear advantage for lens manufacturer
Following the installation of a Microsolve monosolvent cleaning system from Kerry Ultrasonics, lens manufacturer Cooke Optics is now saving GBP 250 per week in cleaning costs.
Following the installation of a Microsolve monosolvent cleaning system from Kerry Ultrasonics, lens manufacturer Cooke Optics is now saving GBP 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 has allowed Cooke Optics to reduce this figure to just 7-8 litres
This article was originally published on Engineeringtalk on 23 Mar 2001 at 8.00am (UK)
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The Kerry plant will enable Cooke Optics to switch to a more environmentally friendly solvent once it has exhausted its stock of 141B.
141B is classed as an ozone-depleting substance under EC Regulation 2037/2000 and its use 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 20 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 20C.
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.
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