Abstract
Wire-arc additive manufacturing systems use robotic MIG welders to build parts using welding wire. As a part is built the temperature rises as energy is input and the thermal mass increases. While some pre-heat is ideal for welding, improper thermal management can lead to defects and negatively affect material properties. Thermal imaging allows for non-contact thermal monitoring and can be used to track thermal gradients as well as layer temperatures before and after deposition providing a method to ensure proper thermal management. A typical IR camera setup on an mBAAM system is discussed along with methods to use thermal monitoring to improve material properties and reduce defects in the final part.
| Original language | English |
|---|---|
| Pages | 1812-1817 |
| Number of pages | 6 |
| State | Published - 2019 |
| Event | 30th Annual International Solid Freeform Fabrication Symposium - An Additive Manufacturing Conference, SFF 2019 - Austin, United States Duration: Aug 12 2019 → Aug 14 2019 |
Conference
| Conference | 30th Annual International Solid Freeform Fabrication Symposium - An Additive Manufacturing Conference, SFF 2019 |
|---|---|
| Country/Territory | United States |
| City | Austin |
| Period | 08/12/19 → 08/14/19 |
Funding
This material is based upon work supported by the U.S. Department of Energy, Office of Science, Office of Energy Efficiency & Renewable Energy, Advanced Manufacturing Office, under contract number DE-AC05-00OR22725. The authors would like to thank Lincoln Electric and Wolf Robotics for collaborating with us in development and providing the Wolf wire-arc system.
| Funders | Funder number |
|---|---|
| U.S. Department of Energy | |
| Advanced Manufacturing Office | DE-AC05-00OR22725 |
| Office of Science | |
| Office of Energy Efficiency and Renewable Energy |
