光造形装置における光硬化性樹脂の硬化形状 : 試験結果と解析結果の比較

概要

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The most important procedure in improving an accuracy of modeling in a stereo-lithography is to clearly identify the relationship between the method of laser irradiation and the solidified-form of photo-curing resin. This report discusses the theoretical analysis and the test results that are conducted with the laser power, the laser beam diameter, scanning speed and the properties of photocuring resin changed in several ways, in order to find the effects on the thickness and the width of the cured resin. The results are summarized below; (1) The thickness of the cured resin is closely related to the energy density and such relationship can be linearly represented in the semi-logarithmic graph. The gradient of the line is the attenuation coefficient and the intercept point at Y-coordinate of the line is the limited curing energy of resin. (2) The theoretical analysis shows that the thickness and the width of the cured resin can be calculated within small error, using the attenuation coefficient and the limited curing energy.
1999-11-25