On continuous inkjet systems: a printer driver for expiry date labels on cylindrical surfaces
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Continuous inkjet systems are commonly used to print expiry date labels for food products. These systems are designed to print on flat surfaces; however, a lot of food products package have a cylindrical shape (e.g., bottled and canned products) which causes an enlargement in characters at the ends of the label. In this work, we present an algorithm to correct this defect by calculating the extra-distance that an ink drop travels when the printing surface approaches an elliptic cylinder. Each charged ink drop is modeling as a solid particle which is affected by the air drag, Earth’s gravitation, and voltage due to the electrical field that causes the perturbation in the ink drop path. Numerical results show the correction of the enlargement mentioned above by varying the electric field along the width of the label. In addition, the equation and the values of a second electric field to correct the printing’s inclination caused by the method of the system’s operation are presented.
KeywordsContinuous inkjet system Printer driver Food industry Ballistic trajectory Drop dynamics
Mathematics Subject Classification (2010)37M05 68-04 68U20
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We make a special thanks to Mr. Jorge A. Cárdenas S. for providing the image of the seasoning bottle from El Pariente JC.
We thank the CONACyT, UANL, and UNACH for the financial support and for providing their facilities.
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