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一种可扩展的数字光处理3D打印方法

Junjie Huang1, Jiangkun Cai1, Chenhao Huangfu1

  • 1School of Mechanical and Power Engineering, Henan Polytechnic University, Jiaozuo 454003, China.

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PubMed
概括
此摘要是机器生成的。

一种新的可扩展数字光处理 (DLP) 3D打印方法 (SDPM) 克服了正常DLP 3D打印 (NDPM) 的局限性. 通过SDPM,可以同时处理大尺寸和小尺寸的零件,并提高形状准确性.

关键词:
3D打印机的3D打印机3D打印的分辨率是3D打印.数字光处理是数字光处理.可扩展的印刷可扩展的印刷.形状准确度 形状准确度 形状准确度

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科学领域:

  • 添加剂制造 添加剂制造 添加剂制造
  • 材料科学 材料科学 材料科学
  • 光学工程是指光学工程.

背景情况:

  • 数字光处理 (DLP) 3D打印将液体树脂转化为复杂的模型.
  • 正常的DLP3D打印 (NDPM) 由于数字微镜设备 (DMD) 规范而面临限制,限制大小特征的同时处理.

研究的目的:

  • 提出和验证可扩展DLP3D打印方法 (SDPM),解决NDPM的局限性.
  • 为了使大尺寸和小特征部件同时加工,具有高局部形状精度.

主要方法:

  • 通过调整投影机到液体的距离来控制打印分辨率,开发了一个SDPM.
  • 构建了一个可扩展的DLP打印机,并使用直角实验设计进行实验.
  • 评估了小特征的打印分辨率和形状准确性.

主要成果:

  • 确定最佳投影距离 (20.5厘米至30.5厘米) 和相应的打印参数.
  • 在不同的投影距离下,达到101微米和157微米的最小打印分辨率.
  • 与NDPM相比,在小型特征 (圆形,钻石,方形) 的形状准确度显著提高.

结论:

  • 该SDPM有效地克服了传统的DLP3D打印的尺寸特征限制.
  • 通过SDPM,可以制造具有高局部形状精度的3D模型,特别是对于小型特征.