{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,11]],"date-time":"2025-10-11T19:12:54Z","timestamp":1760209974468,"version":"build-2065373602"},"reference-count":28,"publisher":"MDPI AG","issue":"9","license":[{"start":{"date-parts":[[2017,9,5]],"date-time":"2017-09-05T00:00:00Z","timestamp":1504569600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/2.zoppoz.workers.dev:443\/https\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"MDPI (Energies Editorial Office)","award":["a9ebf9a6ba4587f9","f812a3dabb7d6b3b","2d9d8780b163acd7"],"award-info":[{"award-number":["a9ebf9a6ba4587f9","f812a3dabb7d6b3b","2d9d8780b163acd7"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>Chalcographic printer is the name given to a specific type of press which is used to transfer the printing of a metal-based engraved plate onto paper. The printing system consists of two rollers for pressing and carrying a metal plate onto which an engraved inked plate is placed. When the driving mechanism is operated, the pressure exerted by the rollers, also called contact pressure, allows the engraved image to be transferred into paper, thereby obtaining the final image. With the aim of ensuring the quality of the result, in terms of good and even transfer of ink, the contact pressure must be uniform. Nowadays, the strategies utilized to measure the pressure are implemented off-line, i.e., when the press machines are shut down for maintenance, which poses limitations. This paper proposes a novel sensor system aimed at monitoring the pressure exerted by the rollers on the engraved plate while chalcographic printer is operating, i.e., on-line. The purpose is two-fold: firstly, real-time monitoring reduces the number of breakdown repairs required, reduces machine downtime and reduces the number of low-quality engravings, which increases productivity and revenues; and secondly, the on-line monitoring and register of the process parameters allows the printing process to be reproducible even with changes in the environmental conditions or other factors such as the wear of the parts that constitute the mechanical system and a change in the dimensions of the printing materials. The proposed system consists of a strain gauge-based load cell and conditioning electronics to sense and treat the signals.<\/jats:p>","DOI":"10.3390\/s17092029","type":"journal-article","created":{"date-parts":[[2017,9,5]],"date-time":"2017-09-05T11:26:19Z","timestamp":1504610779000},"page":"2029","update-policy":"https:\/\/2.zoppoz.workers.dev:443\/https\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Design of a Sensor System for On-Line Monitoring of Contact Pressure in Chalcographic Printing"],"prefix":"10.3390","volume":"17","author":[{"given":"Jos\u00e9","family":"Jim\u00e9nez","sequence":"first","affiliation":[{"name":"Department of Electronics, University of Alcal\u00e1, Alcal\u00e1 de Henares, Madrid 28805, Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Francisco","family":"Meca","sequence":"additional","affiliation":[{"name":"Department of Electronics, University of Alcal\u00e1, Alcal\u00e1 de Henares, Madrid 28805, Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Enrique","family":"Santiso","sequence":"additional","affiliation":[{"name":"Department of Electronics, University of Alcal\u00e1, Alcal\u00e1 de Henares, Madrid 28805, Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Pedro","family":"Mart\u00edn","sequence":"additional","affiliation":[{"name":"Department of Electronics, University of Alcal\u00e1, Alcal\u00e1 de Henares, Madrid 28805, Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2017,9,5]]},"reference":[{"key":"ref_1","unstructured":"(2017, June 27). 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