June 23, 2009
Typically, compressed air or nitrogen circulates in the plenum to ensure that water, dirt, dust, smoke, haze, and solid particulate matter are absent so that the mirrors in a laser resonator do not become cloudy. In recent years, membrane air dryer systems that provide drying and removal of particulate matter have been developed for flushing the beam path.
Here's Jim Colt telling us about a new video contest anyone with a Hypertherm product can easily enter. T-shirts for just entering and nice prizes, too.
Check it out!
From the Web: Remembering Rosie; GM invests; new jobs; subpar growth; and Uber’s economic role - by Vicki Bell
Web articles for fabricators—A tale of two Rosies; GM to invest billions; new jobs in Chattanooga; and the current and future economy.
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