TY - JOUR
T1 - A knowledge-based process planning framework for wire arc additive manufacturing
AU - Xiong, Yi
AU - Dharmawan, Audelia Gumarus
AU - Tang, Yunlong
AU - Foong, Shaohui
AU - Soh, Gim Song
AU - Rosen, David William
PY - 2020/8
Y1 - 2020/8
N2 - Wire arc additive manufacturing (WAAM) provides a rapid and cost-effective solution for fabricating low-to-medium complexity and medium-to-large size metal parts. In WAAM, process settings are well-recognized as fundamental factors that determine the performance of the fabricated parts such as geometry accuracy and microstructure. However, decision-making on process variables for WAAM still heavily relies on knowledge from domain experts. For achieving reliable and automated production, process planning systems that can capture, store, and reuse knowledge are needed. This study proposes a process planning framework by integrating a WAAM knowledge base together with our in-house developed computer-aided tools. The knowledge base is construed with a data-knowledge-service structure to incorporate various data and knowledge including metamodels and planning rules. Process configurations are generated from the knowledge base and then used as inputs to computer-aided tools. Moreover, the process planning system also supports the early-stage design of products in the context of design for additive manufacturing. The proposed framework is demonstrated in a digital workflow of fabricating industrial-grade components with overhang features.
AB - Wire arc additive manufacturing (WAAM) provides a rapid and cost-effective solution for fabricating low-to-medium complexity and medium-to-large size metal parts. In WAAM, process settings are well-recognized as fundamental factors that determine the performance of the fabricated parts such as geometry accuracy and microstructure. However, decision-making on process variables for WAAM still heavily relies on knowledge from domain experts. For achieving reliable and automated production, process planning systems that can capture, store, and reuse knowledge are needed. This study proposes a process planning framework by integrating a WAAM knowledge base together with our in-house developed computer-aided tools. The knowledge base is construed with a data-knowledge-service structure to incorporate various data and knowledge including metamodels and planning rules. Process configurations are generated from the knowledge base and then used as inputs to computer-aided tools. Moreover, the process planning system also supports the early-stage design of products in the context of design for additive manufacturing. The proposed framework is demonstrated in a digital workflow of fabricating industrial-grade components with overhang features.
KW - Computer-aided design
KW - Design for additive manufacturing
KW - Directed energy deposition
KW - Knowledge-based engineering
KW - Process planning
UR - http://www.scopus.com/inward/record.url?scp=85086820545&partnerID=8YFLogxK
U2 - 10.1016/j.aei.2020.101135
DO - 10.1016/j.aei.2020.101135
M3 - Article
AN - SCOPUS:85086820545
VL - 45
JO - Advanced Engineering Informatics
JF - Advanced Engineering Informatics
SN - 1474-0346
M1 - 101135
ER -