The geometric complexity allowed in powder bed fusion of additive manufactured metal parts is a well-known advantage to the process. However, it has been documented that for some geometries with certain thickness or cross-sectional changes a sharp visual and measurable “shrink line” may be seen in the part after the AM build process. This shrink line can result in the part being non-compliant for visual and dimensional reasons. This presentation will highlight examples of the types of parts that have exhibited shrink lines at locations during a metal powder bed fusion build at multiple orientations. It will be shown and confirmed that current metals AM process simulation software, ANSYS Additive, can predict the shrink line phenomenon accurately and in a timely manner. Finally, the metals additive manufacturing simulation software will be used to show how orientation changes and/or part design modifications supported by AM process simulation software may affect the phenomenon.
- Understand the applicability of metal powder bed fusion simulation software to increase first time build success
- See the benefits of using metal powder bed fusion simulation software to predict part geometry in build part deformation and utilize the results to redesign the part prior to build