{"id":342,"date":"2022-11-18T22:22:28","date_gmt":"2022-11-18T22:22:28","guid":{"rendered":"http:\/\/www.unigraphinternational.ca\/?post_type=unigraph_soutien&p=342"},"modified":"2022-11-22T13:33:08","modified_gmt":"2022-11-22T13:33:08","slug":"streaks","status":"publish","type":"unigraph_soutien","link":"https:\/\/www.unigraphinternational.com\/en\/soutien\/streaks\/","title":{"rendered":"Streaks"},"content":{"rendered":"

TROUBLESHOOTING FOR SHEETFED AND WEB PRESSES<\/h4>\n

Streaks :\u00a0\u2026across the plate cylinder. Streaks lighter than the colour being printed are normally related to the dampening system. Pulling dry solids makes it easier to measure and identify the source of the problem. Roller streaks can be identified by determining the circumference of the roller and measuring this amount from the gripper edge of the sheet minus the gripper margin.<\/p>\n\n\n\n\n\n\n\n\n\n\n\n
Causes<\/th>\nRemedies<\/th>\n<\/tr>\n
Roller settings incorrect.<\/td>\nCheck manufacturer\u2019s specs. Assure that the setting to the distributor is heavier than the setting to the plate.<\/td>\n<\/tr>\n
Rollers too hard or glazed<\/td>\nCheck shore hardness of rollers. If over 35, they may not be able to lay down the ink properly and should be replaced.<\/p>\n
    \n
  • Treat rollers with\u00a0Uni OD Deglazer<\/strong>.<\/li>\n
  • Remove rollers from the press and scrub with pumice and solvent. Rinse thoroughly afterwards. (Temporary measure only.)<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n
Blankets packed incorrectly.<\/td>\nPack blankets to press manufacturer\u2019s specs. Over-packing changes cylinder surface speeds and creates streaks.<\/td>\n<\/tr>\n
Old and worn blankets.<\/td>\nMount new blanket and packing. Old, worn blankets may have marks right in them.<\/td>\n<\/tr>\n
Settings incorrect in dampening system.<\/td>\nCheck all the settings in the dampening system and assure they are to manufacturer\u2019s specs. Too light of a setting between form roller and distributor will allow roller to slip. Running with the dampening system integrated with the ink train often gives an improved result.<\/td>\n<\/tr>\n
Poor ink trapping.<\/td>\nChange colour sequence or modify ink to achieve a better trap.<\/td>\n<\/tr>\n
Cylinder bearer pressure.<\/td>\nMany streaks close together may be a sign of incorrect bearer pressure. Contact press manufacturer to check and adjust, if necessary.<\/td>\n<\/tr>\n
Calendaring of the stock.<\/td>\nExchange paper for some without calendaring marks in it.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

TROUBLESHOOTING FOR SHEETFED AND WEB PRESSES Streaks :\u00a0\u2026across the plate cylinder. Streaks lighter than the colour being printed are normally related to the dampening system. Pulling dry solids makes it easier to measure and identify the source of the problem. Roller streaks can be identified by determining the circumference of the roller and measuring this […]<\/p>\n","protected":false},"template":"","unigraph_category_soutien":[33],"class_list":["post-342","unigraph_soutien","type-unigraph_soutien","status-publish","hentry","unigraph_category_soutien-troubleshooting"],"acf":[],"yoast_head":"\nStreaks - Unigraph international<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.unigraphinternational.com\/en\/soutien\/streaks\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Streaks - Unigraph international\" \/>\n<meta property=\"og:description\" content=\"TROUBLESHOOTING FOR SHEETFED AND WEB PRESSES Streaks :\u00a0\u2026across the plate cylinder. Streaks lighter than the colour being printed are normally related to the dampening system. Pulling dry solids makes it easier to measure and identify the source of the problem. Roller streaks can be identified by determining the circumference of the roller and measuring this […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.unigraphinternational.com\/en\/soutien\/streaks\/\" \/>\n<meta property=\"og:site_name\" content=\"Unigraph international\" \/>\n<meta property=\"article:modified_time\" content=\"2022-11-22T13:33:08+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.unigraphinternational.com\\\/en\\\/soutien\\\/streaks\\\/\",\"url\":\"https:\\\/\\\/www.unigraphinternational.com\\\/en\\\/soutien\\\/streaks\\\/\",\"name\":\"Streaks - Unigraph international\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.unigraphinternational.com\\\/#website\"},\"datePublished\":\"2022-11-18T22:22:28+00:00\",\"dateModified\":\"2022-11-22T13:33:08+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.unigraphinternational.com\\\/en\\\/soutien\\\/streaks\\\/#breadcrumb\"},\"inLanguage\":\"en-CA\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.unigraphinternational.com\\\/en\\\/soutien\\\/streaks\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.unigraphinternational.com\\\/en\\\/soutien\\\/streaks\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.unigraphinternational.com\\\/en\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Streaks\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.unigraphinternational.com\\\/#website\",\"url\":\"https:\\\/\\\/www.unigraphinternational.com\\\/\",\"name\":\"Unigraph international\",\"description\":\"Nous c\u00e9l\u00e9brons 40 ans d\u2019innovation et d\u2019excellence!\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.unigraphinternational.com\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.unigraphinternational.com\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-CA\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.unigraphinternational.com\\\/#organization\",\"name\":\"Unigraph international\",\"url\":\"https:\\\/\\\/www.unigraphinternational.com\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-CA\",\"@id\":\"https:\\\/\\\/www.unigraphinternational.com\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/www.unigraphinternational.com\\\/wp-content\\\/uploads\\\/2022\\\/11\\\/unigraph-logo_fr.svg\",\"contentUrl\":\"https:\\\/\\\/www.unigraphinternational.com\\\/wp-content\\\/uploads\\\/2022\\\/11\\\/unigraph-logo_fr.svg\",\"caption\":\"Unigraph international\"},\"image\":{\"@id\":\"https:\\\/\\\/www.unigraphinternational.com\\\/#\\\/schema\\\/logo\\\/image\\\/\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Streaks - Unigraph international","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.unigraphinternational.com\/en\/soutien\/streaks\/","og_locale":"en_US","og_type":"article","og_title":"Streaks - Unigraph international","og_description":"TROUBLESHOOTING FOR SHEETFED AND WEB PRESSES Streaks :\u00a0\u2026across the plate cylinder. Streaks lighter than the colour being printed are normally related to the dampening system. Pulling dry solids makes it easier to measure and identify the source of the problem. Roller streaks can be identified by determining the circumference of the roller and measuring this […]","og_url":"https:\/\/www.unigraphinternational.com\/en\/soutien\/streaks\/","og_site_name":"Unigraph international","article_modified_time":"2022-11-22T13:33:08+00:00","twitter_card":"summary_large_image","schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.unigraphinternational.com\/en\/soutien\/streaks\/","url":"https:\/\/www.unigraphinternational.com\/en\/soutien\/streaks\/","name":"Streaks - Unigraph international","isPartOf":{"@id":"https:\/\/www.unigraphinternational.com\/#website"},"datePublished":"2022-11-18T22:22:28+00:00","dateModified":"2022-11-22T13:33:08+00:00","breadcrumb":{"@id":"https:\/\/www.unigraphinternational.com\/en\/soutien\/streaks\/#breadcrumb"},"inLanguage":"en-CA","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.unigraphinternational.com\/en\/soutien\/streaks\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.unigraphinternational.com\/en\/soutien\/streaks\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.unigraphinternational.com\/en\/"},{"@type":"ListItem","position":2,"name":"Streaks"}]},{"@type":"WebSite","@id":"https:\/\/www.unigraphinternational.com\/#website","url":"https:\/\/www.unigraphinternational.com\/","name":"Unigraph international","description":"Nous c\u00e9l\u00e9brons 40 ans d\u2019innovation et d\u2019excellence!","publisher":{"@id":"https:\/\/www.unigraphinternational.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.unigraphinternational.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-CA"},{"@type":"Organization","@id":"https:\/\/www.unigraphinternational.com\/#organization","name":"Unigraph international","url":"https:\/\/www.unigraphinternational.com\/","logo":{"@type":"ImageObject","inLanguage":"en-CA","@id":"https:\/\/www.unigraphinternational.com\/#\/schema\/logo\/image\/","url":"https:\/\/www.unigraphinternational.com\/wp-content\/uploads\/2022\/11\/unigraph-logo_fr.svg","contentUrl":"https:\/\/www.unigraphinternational.com\/wp-content\/uploads\/2022\/11\/unigraph-logo_fr.svg","caption":"Unigraph international"},"image":{"@id":"https:\/\/www.unigraphinternational.com\/#\/schema\/logo\/image\/"}}]}},"_links":{"self":[{"href":"https:\/\/www.unigraphinternational.com\/en\/wp-json\/wp\/v2\/unigraph_soutien\/342","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.unigraphinternational.com\/en\/wp-json\/wp\/v2\/unigraph_soutien"}],"about":[{"href":"https:\/\/www.unigraphinternational.com\/en\/wp-json\/wp\/v2\/types\/unigraph_soutien"}],"version-history":[{"count":1,"href":"https:\/\/www.unigraphinternational.com\/en\/wp-json\/wp\/v2\/unigraph_soutien\/342\/revisions"}],"predecessor-version":[{"id":343,"href":"https:\/\/www.unigraphinternational.com\/en\/wp-json\/wp\/v2\/unigraph_soutien\/342\/revisions\/343"}],"wp:attachment":[{"href":"https:\/\/www.unigraphinternational.com\/en\/wp-json\/wp\/v2\/media?parent=342"}],"wp:term":[{"taxonomy":"unigraph_category_soutien","embeddable":true,"href":"https:\/\/www.unigraphinternational.com\/en\/wp-json\/wp\/v2\/unigraph_category_soutien?post=342"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}