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Jetting of Reactive Materials for Additive Manufacturing of Nylon Parts

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The first stages in the research of a radically new digital fabrication process of nylon parts are presented in this paper. The fabrication process is based on additive layer manufacturing where two reacting mixtures are deposited via printing onto a moving surface. At elevated temperature, each layer is expected to start a reaction to polymerize nylon 6. The jetability of the mixtures consisting of caprolactam, catalyst and activator were investigated to find appropriate range of stable jetting parameters. Droplet formation characteristics were studied for the deposition stage. By overcoming the challenges in jetting and deposition of the reactive mixtures, this digital fabrication process could compete with the conventional casting and injection molding processes as it benefits from both rapid and tool-free aspects of additive manufacturing and high resolution and multi-material deposition of printing technology.
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Document Type: Research Article

Publication date: 2009-01-01

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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