A client called yesterday regarding problems he was having with a nitrogen feed for a laser system. The system has been in service for a few years and working fine until recently. Something had changed. The change turned out to be different material being cut which changed the feed gas flow and pressure requirements. The best solution turned out to be temporarilly supplying the laser system with high pressure gas 16-packs since the user's need is short-term and requires a relatively low total volume of nitrogen.The link below is to an article I ran across while doing more research. It helps define some of the issues and options related to nitrogen feed options for laser cutting.
E-mails with links to other helpful information on this subject are welcomed.
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