{"id":9845,"date":"2026-02-24T15:11:45","date_gmt":"2026-02-24T07:11:45","guid":{"rendered":"https:\/\/www.packqc.com\/standard\/astm-d4917-2\/"},"modified":"2026-03-12T10:37:47","modified_gmt":"2026-03-12T02:37:47","slug":"astm-d4917","status":"publish","type":"standard","link":"https:\/\/www.packqc.com\/hu\/standard\/astm-d4917\/","title":{"rendered":"ASTM D4917"},"content":{"rendered":"<h2 class=\"wp-block-heading\">A s\u00farl\u00f3d\u00e1si egy\u00fctthat\u00f3 meg\u00e9rt\u00e9se a pap\u00edrvizsg\u00e1latban<\/h2>\n\n\n\n<p><strong data-start=\"1472\" data-end=\"1505\">S\u00farl\u00f3d\u00e1si egy\u00fctthat\u00f3 (COF)<\/strong> egy d\u00f6nt\u0151 fontoss\u00e1g\u00fa param\u00e9ter, amely a k\u00e9t fel\u00fclet k\u00f6z\u00f6tti mozg\u00e1si ellen\u00e1ll\u00e1st t\u00fckr\u00f6zi. A pap\u00edralkalmaz\u00e1sokban ez az \u00e9rt\u00e9k befoly\u00e1solja, hogy az egyik lap hogyan cs\u00faszik a m\u00e1sik felett. A <strong data-start=\"1674\" data-end=\"1688\">statikus COF<\/strong> hat\u00e1rozza meg a mozg\u00e1s elind\u00edt\u00e1s\u00e1hoz sz\u00fcks\u00e9ges er\u0151t, m\u00edg a <strong data-start=\"1752\" data-end=\"1767\">kinetikus COF<\/strong> a mozg\u00e1s \u00e1lland\u00f3 sebess\u00e9gen val\u00f3 fenntart\u00e1s\u00e1hoz sz\u00fcks\u00e9ges er\u0151t m\u00e9ri. Az ASTM D4917 mindk\u00e9t m\u00e9r\u00e9st v\u00edzszintes cs\u00fasz\u00f3 mozg\u00e1ssal teszi lehet\u0151v\u00e9.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Vizsg\u00e1l\u00f3berendez\u00e9sek \u00e9s mintael\u0151k\u00e9sz\u00edt\u00e9si megfontol\u00e1sok<\/h2>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<div class=\"ast-oembed-container\" style=\"height: 100%;\"><iframe title=\"Folyamatban l\u00e9v\u0151 pap\u00edr s\u00farl\u00f3d\u00e1si egy\u00fctthat\u00f3 vizsg\u00e1lata\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/Iq-UFiGqF64?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<\/div><\/figure>\n\n\n\n<p>Az ASTM D4917 szabv\u00e1ny szerinti megb\u00edzhat\u00f3 COF-vizsg\u00e1latok elv\u00e9gz\u00e9s\u00e9hez speci\u00e1lis berendez\u00e9sekre van sz\u00fcks\u00e9g. A <strong data-start=\"3843\" data-end=\"3877\">\u00e1lland\u00f3 mozg\u00e1si sebess\u00e9g\u0171 tesztel\u0151<\/strong>, amely egy terhel\u00e9sm\u00e9r\u0151 cell\u00e1val van felszerelve, \u00e9s 150 \u00b1 30 mm\/perc sebess\u00e9ggel k\u00e9pes a sz\u00e1nk\u00f3t h\u00fazni.<\/p>\n\n\n\n<p>A pontos eredm\u00e9nyek \u00e9rdek\u00e9ben a mint\u00e1kat szabv\u00e1nyos l\u00e9gk\u00f6ri k\u00f6r\u00fclm\u00e9nyek k\u00f6z\u00f6tt (a TAPPI T402 vagy az ASTM D685 szabv\u00e1ny szerint) el\u0151 kell kondicion\u00e1lni, \u00e9s a g\u00e9p ir\u00e1ny\u00e1val \u00e9s a szemcseorient\u00e1ci\u00f3val \u00f6sszhangban kell el\u0151k\u00e9sz\u00edteni.<\/p>\n\n\n\n<p>Javasoljuk a <strong data-start=\"4191\" data-end=\"4249\">Cell Instruments COF-01 s\u00farl\u00f3d\u00e1si egy\u00fctthat\u00f3 m\u00e9r\u0151<\/strong>, az ASTM D4917 \u00e9s az ISO 8295 szabv\u00e1ny k\u00f6vetelm\u00e9nyeinek megfelel\u0151, nagy pontoss\u00e1g\u00fa v\u00edzszintes s\u00edkbeli m\u00e9r\u0151m\u0171szer. Digit\u00e1lis vez\u00e9rl\u00e9ssel, \u00e1ll\u00edthat\u00f3 sz\u00e1nopci\u00f3kkal \u00e9s automatikus er\u0151m\u00e9r\u00e9ssel rendelkezik, ami pontos, reproduk\u00e1lhat\u00f3 eredm\u00e9nyeket biztos\u00edt mind a statikus, mind a kinetikus COF-vizsg\u00e1latokhoz.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Pap\u00edr statikus \u00e9s kinetikus s\u00farl\u00f3d\u00e1si tesztek magyar\u00e1zata<\/h2>\n\n\n\n<p>Az ASTM D4917 szerinti pap\u00edrvizsg\u00e1lat sor\u00e1n egy pap\u00edrlapot egy sima v\u00edzszintes fel\u00fcletre helyeznek, majd egy m\u00e1sik, ugyanilyen lapot helyeznek r\u00e1. A fels\u0151 lap f\u00f6l\u00e9 egy (\u00e1ltal\u00e1ban gumibor\u00edt\u00e1s\u00fa) sz\u00e1nk\u00f3t helyeznek. A sz\u00e1nk\u00f3 h\u00faz\u00e1sa k\u00f6zben m\u00e9rik a mozg\u00e1s elind\u00edt\u00e1s\u00e1hoz sz\u00fcks\u00e9ges er\u0151t (statikus s\u00farl\u00f3d\u00e1s) \u00e9s a mozg\u00e1s folytat\u00e1s\u00e1hoz sz\u00fcks\u00e9ges er\u0151t (kinetikus s\u00farl\u00f3d\u00e1s).<\/p>\n\n\n\n<p>Ez <strong data-start=\"2334\" data-end=\"2368\">pap\u00edr kinetikus s\u00farl\u00f3d\u00e1si vizsg\u00e1lat<\/strong> \u00e9s <strong data-start=\"2373\" data-end=\"2406\">pap\u00edr statikus s\u00farl\u00f3d\u00e1si vizsg\u00e1lat<\/strong> kritikus adatokat szolg\u00e1ltat a nagy sebess\u00e9g\u0171 rendszerekben az \u00edvek elv\u00e1laszt\u00e1s\u00e1nak, az adagol\u00e1s konzisztenci\u00e1j\u00e1nak \u00e9s a nyomtat\u00e1si igaz\u00edt\u00e1snak a meg\u00e9rt\u00e9s\u00e9hez.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Az ASTM D4917 alkalmaz\u00e1sai a nyomtatott \u00e9s a bevonat n\u00e9lk\u00fcli pap\u00edr COF-vizsg\u00e1lat\u00e1ban<\/h2>\n\n\n\n<p>A <strong data-start=\"2613\" data-end=\"2640\">nyomtat\u00f3pap\u00edr COF teszt<\/strong> k\u00fcl\u00f6n\u00f6sen fontos a nyomdai k\u00f6rnyezetben, ahol a s\u00farl\u00f3d\u00e1si konzisztencia biztos\u00edtja az egyes lapok adagol\u00e1s\u00e1nak pontoss\u00e1g\u00e1t, \u00e9s cs\u00f6kkenti az elakad\u00e1sokat vagy a f\u00e9lrevezet\u00e9seket. Hasonl\u00f3k\u00e9ppen, <strong data-start=\"2799\" data-end=\"2826\">bevonat n\u00e9lk\u00fcli pap\u00edr COF teszt<\/strong> seg\u00edt a pap\u00edrgy\u00e1rt\u00f3knak ellen\u0151rizni a term\u00e9k specifik\u00e1ci\u00f3it a feldolgoz\u00e1s vagy a sz\u00e1ll\u00edt\u00e1s el\u0151tt.<\/p>\n\n\n\n<p>Mindk\u00e9t alkalmaz\u00e1sban az ASTM D4917 szabv\u00e1nyos\u00edtott megk\u00f6zel\u00edt\u00e9st k\u00edn\u00e1l, amely cs\u00f6kkenti a vizsg\u00e1lati v\u00e1ltoz\u00e9konys\u00e1got \u00e9s biztos\u00edtja az ipar\u00e1gi min\u0151s\u00e9gi referencia\u00e9rt\u00e9keknek val\u00f3 megfelel\u00e9st.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Mi\u00e9rt haszn\u00e1lja az ASTM D4917-et m\u00e1s m\u00f3dszerek helyett?<\/h2>\n\n\n\n<p>A ferde s\u00edkban v\u00e9gzett m\u00f3dszerekkel (mint p\u00e9ld\u00e1ul az ASTM D4918) ellent\u00e9tben, amelyek nem k\u00e9pesek a kinetikus COF meghat\u00e1roz\u00e1s\u00e1ra, az ASTM D4917 lehet\u0151v\u00e9 teszi mind a statikus, mind a kinetikus s\u00farl\u00f3d\u00e1s pontos \u00e9rt\u00e9kel\u00e9s\u00e9t v\u00edzszintes mozg\u00e1ssal. Ezen t\u00falmen\u0151en a cs\u00fasz\u00f3 kop\u00e1st minimaliz\u00e1lja az\u00e1ltal, hogy csak az els\u0151 \u00e9rintkez\u00e9st vizsg\u00e1lja, ami jobban szimul\u00e1lja a val\u00f3s lemezkezel\u00e9si forgat\u00f3k\u00f6nyveket.<\/p>\n\n\n\n<p>Merevebb anyagok, p\u00e9ld\u00e1ul hull\u00e1mkarton eset\u00e9ben az ASTM D4521 vagy az ASTM D3247 szabv\u00e1ny a megfelel\u0151bb. De a <strong data-start=\"3557\" data-end=\"3592\">v\u00e9kony, rugalmas, bevonat n\u00e9lk\u00fcli pap\u00edrok<\/strong>, A D4917 a legt\u00f6bb pap\u00edrfeldolgoz\u00f3 \u00e9s csomagol\u00f3 laborat\u00f3rium \u00e1ltal aj\u00e1nlott m\u00f3dszer.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">A megfelel\u0151 s\u00farl\u00f3d\u00e1si egy\u00fctthat\u00f3m\u00e9r\u0151 kiv\u00e1laszt\u00e1sa<\/h2>\n\n\n\n<p>Az ASTM D4917 szabv\u00e1nynak val\u00f3 megfelel\u00e9shez \u00e9s a pontos pap\u00edr COF eredm\u00e9nyek el\u00e9r\u00e9s\u00e9hez javasoljuk a k\u00f6vetkez\u0151k haszn\u00e1lat\u00e1t <strong data-start=\"4239\" data-end=\"4270\">Cell Instruments <a href=\"https:\/\/www.packqc.com\/hu\/product\/coefficient-of-friction-testing-equipment\/\">COF-01<\/a> Tesztel\u0151<\/strong>, amely a k\u00f6vetkez\u0151kre van optimaliz\u00e1lva:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>horizont\u00e1lis vizsg\u00e1lat<\/li>\n\n\n\n<li>Statikus \u00e9s kinetikus s\u00farl\u00f3d\u00e1si m\u00e9r\u00e9sek<\/li>\n\n\n\n<li>Egyedi berendez\u00e9si t\u00e1rgyak tervez\u00e9se bevonat n\u00e9lk\u00fcli \u00e9s speci\u00e1lis pap\u00edrokhoz<\/li>\n\n\n\n<li>Intelligens adatr\u00f6gz\u00edt\u00e9s\u00a0<\/li>\n<\/ul>\n\n\n\n<p>Az Cell Instruments robusztus m\u00e9rn\u00f6ki \u00e9s alkalmaz\u00e1st\u00e1mogat\u00e1ssal t\u00e1mogatott s\u00farl\u00f3d\u00e1svizsg\u00e1l\u00f3i pontoss\u00e1got \u00e9s megism\u00e9telhet\u0151s\u00e9get biztos\u00edtanak a k\u00fcl\u00f6nb\u00f6z\u0151 pap\u00edralap\u00fa szubsztr\u00e1tokon.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Kapcsolatfelv\u00e9tel ASTM D4917 vizsg\u00e1lati megold\u00e1s <\/h2>\n\n\n\n<p>A pap\u00edranyagok s\u00farl\u00f3d\u00e1si jellemz\u0151i jelent\u0151sen befoly\u00e1solj\u00e1k a nyomdai, csomagol\u00e1si \u00e9s feldolgoz\u00e1si m\u0171veletek teljes\u00edtm\u00e9ny\u00e9t. <strong data-start=\"5267\" data-end=\"5281\">ASTM D4917<\/strong> szabv\u00e1nyos\u00edtott, megb\u00edzhat\u00f3 keretrendszert biztos\u00edt a bevonat n\u00e9lk\u00fcli \u00edr\u00f3- \u00e9s nyomdaipari pap\u00edr statikus \u00e9s kinetikus s\u00farl\u00f3d\u00e1s\u00e1nak m\u00e9r\u00e9s\u00e9re. Az olyan prec\u00edz m\u0171szerekkel, mint a <strong data-start=\"5448\" data-end=\"5478\">COF-01 \u00e1ltal <a href=\"https:\/\/www.packqc.com\/hu\/\">Cell Instruments<\/a><\/strong>, a min\u0151s\u00e9g\u00fcgyi szakemberek magabiztosan v\u00e9gezhetik el a teszteket, \u00e9rtelmezhetik az eredm\u00e9nyeket, \u00e9s jav\u00edt\u00e1sokat hajthatnak v\u00e9gre.<\/p>\n\n\n\n<p>Ak\u00e1r a <strong data-start=\"5608\" data-end=\"5634\">pap\u00edr kinetikus s\u00farl\u00f3d\u00e1s<\/strong>, <strong data-start=\"5636\" data-end=\"5655\">statikus s\u00farl\u00f3d\u00e1s<\/strong>, <strong data-start=\"5657\" data-end=\"5679\">nyomtat\u00f3pap\u00edr COF<\/strong>, vagy egy <strong data-start=\"5698\" data-end=\"5725\">bevonat n\u00e9lk\u00fcli pap\u00edr COF teszt<\/strong>, az ASTM D4917 szabv\u00e1ny meg\u00e9rt\u00e9se \u00e9s alkalmaz\u00e1sa biztos\u00edtja, hogy az \u00d6n eredm\u00e9nyei \u00e9rtelmesek, reproduk\u00e1lhat\u00f3k \u00e9s \u00f6sszhangban vannak a glob\u00e1lis szabv\u00e1nyokkal.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">GYIK<\/h2>\n\n\n\n<p><a tabindex=\"0\">1. Mit m\u00e9r az ASTM D4917?<\/a><br>Az ASTM D4917 a bevonat n\u00e9lk\u00fcli \u00edr\u00f3- \u00e9s nyomdaipari pap\u00edr statikus \u00e9s kinetikus s\u00farl\u00f3d\u00e1si egy\u00fctthat\u00f3j\u00e1t m\u00e9ri v\u00edzszintes s\u00edk m\u00f3dszerrel.<\/p>\n\n\n\n<p><a tabindex=\"0\">2. Mi\u00e9rt fontos a s\u00farl\u00f3d\u00e1si vizsg\u00e1lat a pap\u00edrterm\u00e9kekn\u00e9l?<\/a><br>A s\u00farl\u00f3d\u00e1s befoly\u00e1solja a nyomtat\u00f3k \u00e9s f\u00e9nym\u00e1sol\u00f3k t\u00e1pell\u00e1t\u00e1s\u00e1nak megb\u00edzhat\u00f3s\u00e1g\u00e1t, \u00e9s biztos\u00edtja a megfelel\u0151 kezelhet\u0151s\u00e9get a feldolgoz\u00f3- \u00e9s csomagol\u00f3g\u00e9pekben.<\/p>\n\n\n\n<p><a tabindex=\"0\">3. Miben k\u00fcl\u00f6nb\u00f6zik a statikus COF a kinetikus COF-t\u0151l?<\/a><br>A statikus COF a k\u00e9t fel\u00fclet k\u00f6z\u00f6tti mozg\u00e1s elind\u00edt\u00e1s\u00e1hoz sz\u00fcks\u00e9ges er\u0151t m\u00e9ri, m\u00edg a kinetikus COF a mozg\u00e1s folytat\u00e1s\u00e1hoz sz\u00fcks\u00e9ges er\u0151t.<\/p>\n\n\n\n<p><a tabindex=\"0\">4. Can <\/a><a href=\"https:\/\/store.astm.org\/d4917-97r07e01.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">ASTM D4917<\/a><a tabindex=\"0\"> bevonatos vagy speci\u00e1lis pap\u00edrokhoz haszn\u00e1lhat\u00f3?<\/a><br>B\u00e1r az ASTM D4917 szabv\u00e1nyt bevonat n\u00e9lk\u00fcli \u00edr\u00f3- \u00e9s nyomtat\u00f3pap\u00edrokhoz optimaliz\u00e1lt\u00e1k, m\u00e1s pap\u00edrt\u00edpusokkal is haszn\u00e1lhat\u00f3, b\u00e1r az eredm\u00e9nyek pontoss\u00e1ga elt\u00e9r\u0151 lehet.<\/p>","protected":false},"excerpt":{"rendered":"<p>Understanding Coefficient of Friction in Paper Testing Coefficient of friction (COF) is a crucial parameter that reflects the resistance to motion between two surfaces. In paper applications, this value influences how one sheet slides over another. The static COF determines the force required to start the movement, while the kinetic COF measures the force needed [&hellip;]<\/p>","protected":false},"featured_media":10018,"parent":0,"template":"","meta":{"_acf_changed":true,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}}},"standard-category":[],"class_list":["post-9845","standard","type-standard","status-publish","has-post-thumbnail","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.packqc.com\/hu\/wp-json\/wp\/v2\/standard\/9845","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.packqc.com\/hu\/wp-json\/wp\/v2\/standard"}],"about":[{"href":"https:\/\/www.packqc.com\/hu\/wp-json\/wp\/v2\/types\/standard"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.packqc.com\/hu\/wp-json\/wp\/v2\/media\/10018"}],"wp:attachment":[{"href":"https:\/\/www.packqc.com\/hu\/wp-json\/wp\/v2\/media?parent=9845"}],"wp:term":[{"taxonomy":"standard-category","embeddable":true,"href":"https:\/\/www.packqc.com\/hu\/wp-json\/wp\/v2\/standard-category?post=9845"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}