近年來3D列印在各界被廣泛應用，其中光固化式3D列印技術搭配壓電噴頭具有較佳的色彩飽和度、製程解析度及產品機械強度，其製程過程中需搭配整平技術以精準控制層厚及移除材料，目前以滾輪式整平技術具較佳效果，然而對於滾輪式整平技術之相關控制參數大多皆掌握於製造商中，且並無相關文獻進行探討，故本研究將針對滾輪整平技術進行進一步探討，以利設計開發3D列印機台之整平技術改善及發展。
本研究設計同時具有壓平及移除材料功能之滾輪整平模組做為整平機制，並針對影響參數如:滾輪轉速、疊層高度及零組件規格等進行設計、實驗及探討，且制定一平坦度量測流程，包含面及線之粗糙度量測，從中驗證最佳製程參數。經實驗後證實本研究所設計機台之最佳滾輪轉速為正轉1100rpm，除克服表面不平整相關問題外，亦於多色圖形色彩穩定度有良好之效果，同時證實滾輪並無顯著影響物件輪廓之跡象，且不具導致混色或模糊色彩等不良影響。根據本研究所設計之滾輪平整模組及平坦度測量方法，未來更換材料或平板速度之調整情形，依循平坦度量測流程即可確立最佳整平技術之滾輪轉速，不僅可提供日後3D列印技術之整平技術提升及參考，對未來光固化式彩色3D列印技術之完善具有相當之重要性。

Recently, 3D printing has been widely used in different fields. The photo-curable 3D printing technology with piezo head has the better highly color saturation, better resolution and more mechanical strength on the products. During the manufacturing process, it needs leveling technology to precisely control the layers and removes unnecessary materials., the roller leveling technology is the more efficient way at present. Moreover, the related control parameters of the roller leveling techniques are controlled by the manufacturers who do not have the related literature review. Therefore, our research is focused on the further explore for the roller leveling technology which improving the leveling technology and development of 3D printing machine.
The research of roller both was designed to have flatten and to remove the material as a leveling mechanism. We focused on the design of the effect parameters such as roller speed, layer height and component specifications. The study develops a flatness measuring process which contains a rough measurement of the surfaces and the lines which verify the optimal process parameters.
Based on the results of the experiments, we can confirm that the best roller speed of this machine is forward 1100 rpm. In addition to overcome the roughness and the stable multicolor graphics color, it confirmed that the roller does not have obvious effect on the objects’ contours and does not cause adverse effect of mixing or blurred colors.
According to the research design of roller leveling module and flatness measuring method, if materials and flat rate were changed in the future, you can proceed on the flatness measurement process to establish the optimum of roller speed. The process can not only provide leveling technology of 3D printing and reference, but also it is significant of improving the performance of the 3D printing in the near future.

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