Graduate Thesis Or Dissertation

 

Dividing Complex Parts into Multiple Pieces for Advanced Joining and Additive Manufacturing Public Deposited

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https://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/9s161900v

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  • Poor material utilization is inherent to conventional manufacturing processes, leading to high material waste and machining times. Additive manufacturing processes attempt to solve this issue by allowing production of near-net shapes, but the processes may be too expensive or infeasible. By leveraging both processes in a single part, the waste and cost of manufacturing can be reduced. For example, a complex part could have the main body produced by bar stock and machining, while small protruding features are joined onto the main body by additive manufacturing. This thesis presents a method to divide complex parts into smaller pieces to be built up through advanced joining and additive manufacturing. A beam search algorithm is applied to consider the vast number of manufacturing and joining options and converge on the lowest cost solutions. The algorithm runs by intelligently identifying cutting planes and iteratively applying them to solid geometry to create possible manufacturing alternatives. Each manufacturing alternative is then evaluated based on cost, and the lowest cost alternatives are presented to the designer to aid in determining better manufacturing plans. Application of this method will reduce material waste and machining to offset the added joining costs. This thesis presents the development, implementation, and testing of this approach.
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  • description.provenance : Made available in DSpace on 2016-06-22T16:05:14Z (GMT). No. of bitstreams: 1 MassoniBrandonR2016.pdf: 1664447 bytes, checksum: b48923fd2968f8ae758bf077aed34d17 (MD5) Previous issue date: 2016-05-17
  • description.provenance : Approved for entry into archive by Julie Kurtz(julie.kurtz@oregonstate.edu) on 2016-06-21T21:42:20Z (GMT) No. of bitstreams: 1 MassoniBrandonR2016.pdf: 1664447 bytes, checksum: b48923fd2968f8ae758bf077aed34d17 (MD5)
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  • 2017-08-09 to 2018-06-22

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