{"id":8812,"date":"2026-08-05T06:32:28","date_gmt":"2026-08-05T06:32:28","guid":{"rendered":"https:\/\/keertek.com\/?p=8812"},"modified":"2026-08-05T06:32:29","modified_gmt":"2026-08-05T06:32:29","slug":"anilox-roll-ink-restoration-cell-volume-recovery-with-no-mechanical-damage","status":"publish","type":"post","link":"https:\/\/keertek.com\/fr\/anilox-roll-ink-restoration-cell-volume-recovery-with-no-mechanical-damage\/","title":{"rendered":"Remise en \u00e9tat de l'encre des rouleaux anilox : restauration du volume des alv\u00e9oles sans dommage m\u00e9canique."},"content":{"rendered":"<p><strong>Le rouleau anilox d\u2019une imprimante flexographique \u2014 dont les alv\u00e9oles grav\u00e9es au laser \u00e9taient enti\u00e8rement obstru\u00e9es par de l\u2019encre durcie aux UV \u2014 a \u00e9t\u00e9 envoy\u00e9 \u00e0 Keertek pour un test de nettoyage de dernier recours. Le proc\u00e9d\u00e9 par ultrasons a permis de restaurer le volume d\u2019origine des alv\u00e9oles sans provoquer de micro-abrasions susceptibles de r\u00e9duire la dur\u00e9e de vie du rouleau.<\/strong><\/p>\n\n\n\n<p>Les cylindres anilox comptent parmi les composants les plus sensibles \u00e0 la pr\u00e9cision dans le domaine de l'impression : chaque alv\u00e9ole doit d\u00e9livrer un volume d'encre pr\u00e9cis afin de garantir l'uniformit\u00e9 des couleurs. Le durcissement de l'encre UV \u00e0 l'int\u00e9rieur des alv\u00e9oles constitue un probl\u00e8me r\u00e9current, et les m\u00e9thodes de nettoyage m\u00e9caniques (brossage, sablage) usent progressivement les parois des alv\u00e9oles, ce qui r\u00e9duit leur volume au fil du temps. Keertek a mis en place <strong>nettoyage par ultrasons multifr\u00e9quences<\/strong>&nbsp;\u00e0 l'aide d'un produit chimique de d\u00e9capage \u00e0 base de solvant, sp\u00e9cialement adapt\u00e9 aux polym\u00e8res durcis aux UV.<\/p>\n\n\n\n<p>\u00c0 l'issue du cycle, les mesures du volume cellulaire (r\u00e9alis\u00e9es \u00e0 l'aide d'un syst\u00e8me de mesure volum\u00e9trique microscopique) ont montr\u00e9 un retour \u00e0 la sp\u00e9cification d'origine pour le 98%, sans aucun amincissement mesurable de la paroi cellulaire. L'imprimerie, qui rempla\u00e7ait auparavant ses rouleaux tous les 6 \u00e0 8 mois en raison d'un colmatage, prolonge d\u00e9sormais la dur\u00e9e de vie de ses rouleaux au-del\u00e0 de 18 mois gr\u00e2ce \u00e0 un nettoyage par ultrasons programm\u00e9.<\/p>","protected":false},"excerpt":{"rendered":"<p>A flexographic printer&#8217;s anilox roll \u2014 its laser-engraved cells completely plugged with UV-cured ink \u2014 was sent to Keertek for a last-resort cleaning test. The ultrasonic process recovered original cell volume without the micro-abrasion that shortens roll life. Anilox rolls are among the most precision-sensitive components in printing: each cell must deliver an exact ink [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":8538,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[79],"tags":[],"class_list":["post-8812","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-case-study"],"acf":[],"_links":{"self":[{"href":"https:\/\/keertek.com\/fr\/wp-json\/wp\/v2\/posts\/8812","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/keertek.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/keertek.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/keertek.com\/fr\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/keertek.com\/fr\/wp-json\/wp\/v2\/comments?post=8812"}],"version-history":[{"count":0,"href":"https:\/\/keertek.com\/fr\/wp-json\/wp\/v2\/posts\/8812\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/keertek.com\/fr\/wp-json\/wp\/v2\/media\/8538"}],"wp:attachment":[{"href":"https:\/\/keertek.com\/fr\/wp-json\/wp\/v2\/media?parent=8812"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/keertek.com\/fr\/wp-json\/wp\/v2\/categories?post=8812"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/keertek.com\/fr\/wp-json\/wp\/v2\/tags?post=8812"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}