Product category:
PCB Assembly Equipment and Tools
News Release from: Guyson International | Subject: Kerry Microsolve
Edited by the Electronicstalk Editorial
Team on 05 January 2006
Ultrasonic cleaning systems save on
solvent
Microsolve ultrasonic cleaning systems attain the highest cleaning standards yet keep running costs low.
Microsolve ultrasonic cleaning systems attain the highest cleaning standards yet keep running costs low Solvent retention features unique to the latest Guyson Kerry Microsolve machines including: triple coil reflux cooling, vapour break, 150% freeboard, optional superheat, auto top-up and solvent monitoring, ensure the systems are safe and comply fully with environmental and safety legislation
This article was originally published on Electronicstalk on 8 Apr 2005 at 8.00am (UK)
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Cosolvent systems cover specialist requirements
For medium to high volume PCB assemblers, Kerry Microsolve cosolvent systems combine high specification cleaning with a range of options for specialist users.
Monitoring system reduces solvent waste
Kerry Ultrasonics has developed an automatic monitoring system which allows users of its cleaning machines to check the rate at which costly solvents are used during processing.
These features also mean that Microsolve systems are able to operate with low, predictable solvent usage and customers enjoy low, predictable running costs.
Microsolve cosolvent systems generally provide two cleaning stages, both with ultrasonics and filtration, followed by vapour rinsing, optional superheat dry, and freeboard dry.
In the first cleaning tank a mixture of HFE (hydrofluoroether) and a hydrocarbon solvating agent, agitated by ultrasonic transducers and the boiling action, removes gross contamination from the components.
Further reading
Programmable baths clean consistently
Kerry has developed bench-top ultrasonic cleaning baths which can be programmed to maximise the quality and repeatability of results.
Greener solvent proves more effective
PCB assembler Electronic Technicians Ltd has seen an improvement in cleaning quality and a reduction in reject rates after the installation of a cosolvent cleaning system from Kerry Ultrasonics.
Cleaner stencils reduce reject rates
Kerry Ultrasonics has produced a stencil cleaner that significantly reduces SMD manufacturers' reject rates.
Large quantities of soluble contamination can be taken up by the solvating agent, and this makes the process particularly suitable for heavy duty cleaning applications - heavy weight oils, greases, waxes, fluxes etc.
In the second stage, pure HFE distillate, also ultrasonically assisted, removes from the components residues carried over from the primary cleaning tank.
Cleaning is followed by a rinse in the vapour zone above the tanks and then a dwell in the freeboard zone to dry the components.
Microsolve owners enjoy low, predictable running costs thanks to intelligent machine design - a highly effective reflux cooling system, vapour break and a deep freeboard zone all help to minimise expensive solvent loss.
An optional automatic HFE top-up system logs the rate of solvent usage.
This device demonstrated a total consumption of only 2.4 litres over a 7-day test of a high capacity 350 size cosolvent unit.
Autotrans work transfer systems ensure consistent, repeatable quality whilst increasing throughput, and also contribute to cost reductions by controlling the speed of basket movement through the vapour zone, thus reducing solvent drag-out caused by disturbance of the vapour blanket.
All Autotrans transporters can integrate with feed and exit conveyors or load and unload tables for fully automatic operation.
An optional Neptune generator allows selection of 38 or 70kHz in both ultrasonic stages, the higher frequency being preferred for certain sensitive component such as electronic components, optical lenses and computer disk drive components to provide effective submicron particle removal without cavitation damage.
Neptune also allows frequency sweep, variable sweep rate and a pulse feature, adjustable power control, autotuning, and eight-program capacity programmed operation.
Following the integration of Kerry Ultrasonics into Guyson International in 2004, Kerry Microsolve systems are now available from Guyson, which offers demonstrations and free cleaning trials at its main sales, production and demonstration site in Skipton, North Yorkshire and at its Technical and Demonstration Centre in Hitchin, Hertfordshire. Request a free brochure from Guyson International ...
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