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TECH FRONT The Freedom of AM


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s additive manufacturing (AM) evolves from rapid prototyping to the end-of-use product manufactur-


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ing process, manufacturing constraints have been largely alleviated and design freedom for part consolidation is extremely broadened. An AM-enabled part consolida- tion method promises a more effective way to achieve part count reduction and the ease of assembly compared with traditional Design for Manufacture and Assembly (DFMA) method. However, how to achieve AM enabled part consolidation is not well developed. In a paper au- thored by Sheng Yang, Yunlong Tang, and Yaoyao Fiona Zhao from McGill University, a new part consolidation method is proposed, characterized by two main modules. The fi rst one is to achieve better functionality through surface-level function integration and sequential part-level function integra- tion based on design specifi cations with an initial CAD model which is designed for conventional manufactur- ing process. The other module is to realize better performance through the introduction and optimization of heterogeneous lattice structures ac- cording to performance requirements. An example of a triple clamp is studied to verify the effectiveness of the pro- posed model. The results include a part count


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It’s one of the many ways we’re redefining possible at General Carbide.


reduced from 19 to 7 and a weight reduction of 20%, as well as better part performance. The paper was published in SME’s Journal of Manufacturing Processes and can be read online here: http://tinyurl.com/ PartConsolidation.


REDEFINING POSSIBLE TM


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GENERALCARBIDE.COM 34 AdvancedManufacturing.org | May 2016


SME’s authoritative peer-reviewed research journals, Journal of Manufacturing Processes, Journal of Manufacturing Systems, and Manufacturing Letters, and technical papers may be reached via


www.sme.org/publications. The journals welcome submissions: Information available at www.sciencedirect.com/sme.


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