Frank Armao gives advice on how to minimize the appearance of cleaning stripes on polished aluminum tread plate.

Incorrect contact tip recess can cause excessive spatter, burn-through and warping, insufficient penetration, and porosity. Welders who become familiar with correct tip recess can avoid these problems as well as unnecessary equipment upgrades yet still improve GMAW quality.

A welding shop specializing in aerospace systems and parts adds nondestructive testing to its in-house capabilities to keep pace with inspection requirements and speed up part turnaround.

Continued improvements to CNC plasma cutting technology have made these units much more adaptable and user friendly. They have also helped improve consistency and cut quality.

In the wake of the implementation of OSHA's hexavalent chromium standard, read three fab shops' efforts to provide safe breathing conditions for its welders.