National Security Journal on MSNOpinion

Why The U.S. Navy Won’t Ever Build Deep Diving Titanium Nuclear Submarines Like Russia

The U.S. Navy’s decision to build steel submarines instead of titanium ones was a deliberate, warfighting-first choice, not a ...
IEEE

Gas Metal Arc Welding process control based on arc length and arc voltage

Abstract: In this paper, we present a method to dynamically observe two important variables of a Gas Metal Arc Welding (GMAW) process, i.e. arc voltage and arc length. To do this, we use Kalman filter ...
The Fabricator

Laser gas mixers help deliver burr-free laser cutting

Witt Gas has developed laser gas mixers designed for easy retrofitting to existing laser cutting systems. They combine ...
IEEE

Research on Arc Length Tracking Control Technology of Tube-Sheet Welding Based on Pulsed TIG

Abstract: During tungsten inert gas welding process, arc length will change due to thermal deformation, uneven surface of workpiece and tungsten electrode loss. Considering the large fluctuation of ...
Contractor

Vendor Spots Sell Out for Bring Back the Trades Skills Expo at Gillette Stadium

More than 100 exhibitors and trade schools will turn the stadium into a hands-on training ground for plumbing, HVAC, welding, ...