We decided to build a truss to see just how strong Wire Arc Additive Manufacturing (WAAM) built aluminum parts really are. Mike Willey created a truss design and used FEA to estimate that it would support over 1000 lbs. Kevin Sevcik then imported the model into Robotmaster offline programming software to create the robot path. Then using Lincoln Electric R350 Power Wave with Advanced Module running in AC pulse mode Jim Walker built a 5356 aluminum truss using the ARC-06 robot in our laboratory. Total build time was around 3 hours and for an 8 pound part. Finally, we tested the part in our own special Texan way to over 1,200 pounds WITHOUT FAILURE.
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