December 11, 2007
By: John Wallace
Determining whether a tube seam has a partial bond can be difficult with standard ultrasonic or eddy current techniques. However, multifrequency, probe-based eddy current equipment can detect poor-diffusion bonds in nonferrous materials. Using a penetrating field to reflect a signal off the planar structure of the weld works on ferrous materials.
Built to fully exploit the benefits of fiber laser cutting LVD's Electra is one of the fastest fiber laser cutting machines on the market.
Economic reality and the skilled-worker issue - by Dan Davis
The only thing missing from the skilled worker shortage were rising wages for skilled workers that were apparently in demand. Could that be changing?
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