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| Subject: Inerting a solder wave... from the inside | |
Author: Peter Thornton | [ Next Thread |
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] Date Posted: 09:42:08 01/31/04 Sat To run an inert atmosphere in a wave soldering machine usually involves large volumes of nitrogen, the cheapest oxygen excluding gas available in bulk. This is either used overall in the tunnel style machine, with rudimentary air locks at entrance /exit, or complicated cover shrouds over and around the solder pot... where the real action takes place. To address the huge engineering costs of a tunnel machine, or increase the ineffectual "cover and shroud" method, the Equipment Engineering Co. has developed a method of inerting an existing atmospheric wave (turbulent OR laminar flow) which gets the nitrogen just where it's needed: right up around the joint as it's being soldered on the fly. And what's more, the method uses a tiny fraction of the gas volumes normally associated with inerting... try a few litres per minute for total cover, not cubic metres per hour!! The system will run on existing 60/40 or lead free machines of ANY type, to pot temperatures of 450deg.C. It is fully automatic, cheap, simple and reliable. And patented. Full information can be obtained from www.OPTL.co.uk anytime, who are the sole agents. [ Next Thread | Previous Thread | Next Message | Previous Message ] |