| 摘要 |
PROBLEM TO BE SOLVED: To determine a surface state of a molding in a short time.SOLUTION: A surface state determination device determines a surface state of a molding manufactured from at least two kinds of substances having mutually different infrared reflection intensities on the basis of a measurement result of the infrared reflection intensity of the molding; on the basis of measurement data of two different wavelengths in a wavelength band where there is no absorption due to water, among measurement data having indicated the measurement result, calculates a relative reflection intensity ratio between the measurement data of the two different wavelengths; and by comparing the magnitude relation between the calculated relative reflection intensity ratio and a predetermined threshold for determining the surface state of the molding, determines the surface state. |
