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Projection microstereolithography apparatus

机译:投影微立体光刻设备

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摘要

Additive manufacturing (AM) is the dawn of new industrial revolution. It has a potential to revolutionize the way we make everything. Stereolithography (SL) is a rapid prototyping (RP) and manufacturing technology that enables the generation of physical objects directly from the CAD data files. In SL the products are fabricated layer-by-layer by curing the liquid resin. Microstereolithography (µSL) allows the fabrication of 3D parts with µm accuracy, including the re-entrant and curvilinear microstructures that are impossible to make by using conventional micromachining.In this thesis, a digital micromirror device (DMD) based Projection microstereolithograply (PµSL) setup has been built. Three different coatings for resin vat and three different resins have been tested for the fabrication purposes. Similar to Projection stereolithography (PSL), in PµSL, an entire layer is manufactured by irradiating its whole surface only once instead of scanning the layer cross-section. In the built setup, an UV LED is used as a light source and there is only one mobile element, the z translator, while all the other equipment is fixed.
机译:增材制造(AM)是新工业革命的曙光。它有可能改变我们制造一切的方式。立体光刻(SL)是一种快速成型(RP)和制造技术,可直接从CAD数据文件中生成物理对象。在SL中,通过固化液态树脂逐层制造产品。微立体光刻技术(µSL)可以制造精度为µm的3D零件,包括使用传统微加工无法制造的凹入和曲线微结构。本文采用基于数字微镜设备(DMD)的投影微立体光刻技术(PµSL)进行设置已建成。为了制造目的,已经测试了三种用于树脂桶的涂料和三种不同的树脂。与投影立体光刻(PSL)相似,在PµSL中,通过仅照射整个表面一次而不是扫描层的横截面来制造整个层。在内置设置中,将UV LED用作光源,只有一个移动元件,即z转换器,而所有其他设备都是固定的。

著录项

  • 作者

    Zain Ul Ihsan;

  • 作者单位
  • 年度 2016
  • 总页数
  • 原文格式 PDF
  • 正文语种 en
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