Light-cured 3D printing apparatus and method
The photopolymerization 3D printing equipment and method that utilizes a DMD optical modulator and a scanning galvanometer in synergy solves the problem of low efficiency in large-area printing of traditional photopolymerization 3D printing equipment, achieving efficient and precise planar curing and improving printing accuracy and stability.
CN122401892APending Publication Date: 2026-07-17
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Filing Date
- 2026-05-25
- Publication Date
- 2026-07-17
AI Technical Summary
Technical Problem
Existing photopolymer 3D printing technology is inefficient when printing large-area products, making it difficult to balance printing speed and accuracy.
Method used
The "patterned modulation + continuous scanning" mode, which combines a DMD optical modulator and a scanning galvanometer, with a homogenizing device, a TIR prism, a field lens, and an F-theta scanning lens, achieves planar solidification and precise beam projection.
Benefits of technology
It significantly improves the efficiency of large-area printing, ensures beam intensity uniformity and accuracy, achieves a balance between printing area, efficiency and accuracy, and enhances the stability and reliability of the equipment.
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Smart Images
Figure CN122401892A_ABST
Abstract
本发明提供一种光固化3D打印设备及方法，涉及光固化打印技术领域；包括光源装置、匀光装置、平面反射镜、TIR棱镜、DMD光学调制器、场镜、扫描振镜、F‑theta扫描镜头；匀光装置用以对光源装置的输出光束进行匀光；平面反射镜用以将匀光装置匀光后的光束以预设角度反射至TIR棱镜；TIR棱镜用于对平面反射镜的反射光束进行处理以入射至DMD光学调制器；DMD光学调制器通过DMD芯片处理反射光束，并将处理得到的特定图案光束通过TIR棱镜入射至场镜；场镜将特定图案光束压缩后输出至扫描振镜；扫描振镜通过预设的偏转角度将光束反射至F‑theta扫描镜头，F‑theta扫描镜头将光束校正后投射至打印区域。本申请能够在打印大幅面产品时兼顾效率与精度。
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