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Modeling build time, process energy consumption and cost of material jetting-based Additive Manufacturing

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This paper constructs a combined build time, process energy consumption and cost estimator for an Additive Manufacturing platform of the material jetting type (Stratasys Objet Connex 260). Unlike previous estimation approaches, this paper develops a model of build time that reflects the movement of a print head depositing material in the build process. In a series of validation experiments, this approach produced accurate build time estimates in the majority of cases. The observed absolute errors range from 4.00% to 39.18% for build time estimation and from 2.58% to 48.28% for process energy consumption, exhibiting an overall mean absolute error of 15.31%. The proposed build time estimator is compared to two more general specifications, one treating deposition time per layer as fixed and one relating total build time to deposition area per layer. It is shown that both alternative specifications produce greater estimation errors.
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Document Type: Research Article

Publication date: 01 January 2015

More about this publication?
  • For more than 30 years, IS&T's series of digital printing conferences have been the leading forum for discussion of advances and new directions in 2D and 3D printing technologies. A comprehensive, industry-wide conference that brings together industry and academia, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems?particularly those involved with additive manufacturing and fabrication?including bio-printing, printed electronics, page-wide, drop-on-demand, desktop and continuous ink jet, toner-based systems, and production digital printing, as well as the engineering capability, optimization, and science involved in these fields. In 2016, the conference changed its name formally to Printing for Fabrication to better reflect the content of the meeting and the evolving technology of printing.

    Please note: For purposes of its Digital Library content, IS&T defines Open Access as papers that will be downloadable in their entirety for free in perpetuity. Copyright restrictions on papers vary; see individual paper for details.

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