The DPM100 compact digital microscope is an experimental testing instrument manufactured by Pulex International Trading (Shanghai) Co., Ltd. The DPM100 adopts a new design concept. The DPM100 is connected to a computer via a USB interface, and the captured analysis is viewed through software analysis. The sample image is then analyzed by computer for the quality of the image. The DPM100 small digital microscope is very convenient to carry, powerful in analysis function, compact in structure, and equipped with LED high-intensity illumination lamp for easy observation of the sample surface. With the included powerful analysis software, the DPM100 Compact Digital Microscope can analyze dots, lines, characters, etc. on the printed surface. Therefore, it has a wide range of applications in the evaluation of print quality.
The DPM100 compact digital microscope is different from the conventional printed surface observation equipment in that it can achieve a magnification of 200 times, and the printed surface is more clearly observed, and the DPM100 compact digital microscope can also transfer the observed image to the computer through the USB interface. Save and label the image. The saved image is a full-color image. The resolution of the image can be up to 1600×1200 pixels. DPM100 small digital microscope continuously scans the surface of prints during the process of measuring the surface of prints, displays the images on the screen of the computer, and measures the distance, circumference, area and other data on the image in real time.
The analysis software of DPM100 small digital microscope contains two different operation modes. The first mode is “basic†mode. In “basic†mode, it is mainly used to test the dot distance, dot radius and irregular graphic area of ​​printed products. . In the second mode, the "advanced" mode, there are more analysis functions, such as calculating the percentage of network points, analyzing the quality of lines, leaks, markings, and calculating the area, length, width, and perimeter of irregular patterns. These two modes can be switched at any time during use.
In the process of quality control of printed products, high-resolution, high-resolution cameras of the DPM100 compact digital microscope are used to collect information on the surface of the printed matter, and a quantifiable and intuitive analysis and evaluation of the quality of the printed matter is performed through powerful analysis software. The results of the guidance applied to the printing production process are of great significance.
1. Overall Appearance Quality Inspection of Printed Products The biggest feature of the DPM100 compact digital microscope in use is intuitive. The DPM100 measuring head is aligned with the area to be measured, and the focal length of the measurement area is obtained by rotating and adjusting the focal length. On the computer screen, the surface condition of the printed matter can be clearly seen. Observe and analyze the shape of the dots, the color of dots, the flatness of the paper surface, whether the non-graphic area of ​​the paper surface has been contaminated in the printing process, and the overlap of the edge of the imprinted area on the printed product. Through the above analysis can determine whether the pressure of the printing press is appropriate, whether ink emulsification appeared on the blanket, and whether there is a large area of ​​dot loss on the printing plate.
2. Quality inspection and analysis of the network The image quality analysis software brought by the DPM100 was adopted to measure the screening angle, screen dot pitch, dot radius, and irregular area of ​​the printed matter by selecting different tools in the software. For example, by measuring the size of the dot and referring to the shape of the dot, the clarity of the edge of the dot can basically determine whether the dot was deformed due to excessive pressure in the printing process or corrosion of the dot in the printing process. Then through the calculation of the area ratio of the measuring area, it is possible to know the overall reproduction of the network, determine the degree of enlargement or reduction of the printing outlets, etc., and thus make targeted adjustments to the operating parameters of the printing production.
3. Line and Polygon Detection Analysis The DPM100 has a large magnification, and the scanned image has a high resolution, so the line appearance on the print can be clearly seen. The analysis software of the DPM100 can be used to obtain deformation distortion, angle inclination, edge roughness, etc. of the lines and express them with clear numerical values. For graphics, the analysis software can automatically obtain polygon area, side length, and perimeter data. Passing the above analysis data will simplify the quality analysis process of printed lines and polygons.
4. Blank point and stripe detection analysis In the process of printing solid color blocks, because of the unevenness of the paper surface and other factors, blank spots often appear in the solid color blocks. The blank spot detection tool of the DPM100 small digital microscope can detect and Count the number of blank points and calculate the average size of blank points. In addition, the scanned image can be reversed so that the operator can observe the blank point.
Streaks means unintended, changing light reflections in a uniformly-colored printed area, in a clouded, grainy, or other regular pattern. Generally, no markings are seen in the printing of characters, and it is difficult to find patterns in printing with "heavy and heavy" patterns, and it is particularly evident in areas where the printing is relatively gentle, such as the sky or other even-toned backgrounds. The DPM100 divides the entire image into multiple small areas through analysis software, and calculates the changes in these areas. Finally, the data of the number of speckles and speckle particles and the size range of the particles are counted.
In summary, the DPM100 Compact Digital Microscope is a very practical experimental detection instrument. With the DPM100 Compact Digital Microscope, you can fully and intuitively observe the surface condition of the printed matter, enabling users to intuitively observe the surface of the printed matter. Powerful analysis software quantifies the overall appearance quality inspection, dot quality, line and polygon analysis, blank spots, and markings of printed products, which facilitates the use of production lines, effectively increasing production efficiency, and improving productivity. Print quality.
The DPM100 compact digital microscope is different from the conventional printed surface observation equipment in that it can achieve a magnification of 200 times, and the printed surface is more clearly observed, and the DPM100 compact digital microscope can also transfer the observed image to the computer through the USB interface. Save and label the image. The saved image is a full-color image. The resolution of the image can be up to 1600×1200 pixels. DPM100 small digital microscope continuously scans the surface of prints during the process of measuring the surface of prints, displays the images on the screen of the computer, and measures the distance, circumference, area and other data on the image in real time.
The analysis software of DPM100 small digital microscope contains two different operation modes. The first mode is “basic†mode. In “basic†mode, it is mainly used to test the dot distance, dot radius and irregular graphic area of ​​printed products. . In the second mode, the "advanced" mode, there are more analysis functions, such as calculating the percentage of network points, analyzing the quality of lines, leaks, markings, and calculating the area, length, width, and perimeter of irregular patterns. These two modes can be switched at any time during use.
In the process of quality control of printed products, high-resolution, high-resolution cameras of the DPM100 compact digital microscope are used to collect information on the surface of the printed matter, and a quantifiable and intuitive analysis and evaluation of the quality of the printed matter is performed through powerful analysis software. The results of the guidance applied to the printing production process are of great significance.
1. Overall Appearance Quality Inspection of Printed Products The biggest feature of the DPM100 compact digital microscope in use is intuitive. The DPM100 measuring head is aligned with the area to be measured, and the focal length of the measurement area is obtained by rotating and adjusting the focal length. On the computer screen, the surface condition of the printed matter can be clearly seen. Observe and analyze the shape of the dots, the color of dots, the flatness of the paper surface, whether the non-graphic area of ​​the paper surface has been contaminated in the printing process, and the overlap of the edge of the imprinted area on the printed product. Through the above analysis can determine whether the pressure of the printing press is appropriate, whether ink emulsification appeared on the blanket, and whether there is a large area of ​​dot loss on the printing plate.
2. Quality inspection and analysis of the network The image quality analysis software brought by the DPM100 was adopted to measure the screening angle, screen dot pitch, dot radius, and irregular area of ​​the printed matter by selecting different tools in the software. For example, by measuring the size of the dot and referring to the shape of the dot, the clarity of the edge of the dot can basically determine whether the dot was deformed due to excessive pressure in the printing process or corrosion of the dot in the printing process. Then through the calculation of the area ratio of the measuring area, it is possible to know the overall reproduction of the network, determine the degree of enlargement or reduction of the printing outlets, etc., and thus make targeted adjustments to the operating parameters of the printing production.
3. Line and Polygon Detection Analysis The DPM100 has a large magnification, and the scanned image has a high resolution, so the line appearance on the print can be clearly seen. The analysis software of the DPM100 can be used to obtain deformation distortion, angle inclination, edge roughness, etc. of the lines and express them with clear numerical values. For graphics, the analysis software can automatically obtain polygon area, side length, and perimeter data. Passing the above analysis data will simplify the quality analysis process of printed lines and polygons.
4. Blank point and stripe detection analysis In the process of printing solid color blocks, because of the unevenness of the paper surface and other factors, blank spots often appear in the solid color blocks. The blank spot detection tool of the DPM100 small digital microscope can detect and Count the number of blank points and calculate the average size of blank points. In addition, the scanned image can be reversed so that the operator can observe the blank point.
Streaks means unintended, changing light reflections in a uniformly-colored printed area, in a clouded, grainy, or other regular pattern. Generally, no markings are seen in the printing of characters, and it is difficult to find patterns in printing with "heavy and heavy" patterns, and it is particularly evident in areas where the printing is relatively gentle, such as the sky or other even-toned backgrounds. The DPM100 divides the entire image into multiple small areas through analysis software, and calculates the changes in these areas. Finally, the data of the number of speckles and speckle particles and the size range of the particles are counted.
In summary, the DPM100 Compact Digital Microscope is a very practical experimental detection instrument. With the DPM100 Compact Digital Microscope, you can fully and intuitively observe the surface condition of the printed matter, enabling users to intuitively observe the surface of the printed matter. Powerful analysis software quantifies the overall appearance quality inspection, dot quality, line and polygon analysis, blank spots, and markings of printed products, which facilitates the use of production lines, effectively increasing production efficiency, and improving productivity. Print quality.
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