{"id":1425,"date":"2026-07-23T06:12:28","date_gmt":"2026-07-23T06:12:28","guid":{"rendered":"https:\/\/www.packtests.com\/?post_type=standard&#038;p=1425"},"modified":"2026-07-23T06:14:04","modified_gmt":"2026-07-23T06:14:04","slug":"astm-d1894","status":"publish","type":"standard","link":"https:\/\/www.packtests.com\/lv\/standard\/astm-d1894\/","title":{"rendered":"ASTM D1894"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Plastmasas pl\u0113ves m\u016bsdienu iepakojum\u0101 pilda iz\u0161\u0137iro\u0161u lomu \u2014 s\u0101kot no p\u0101rtikas maisi\u0146iem un farmaceitisko prepar\u0101tu paci\u0146\u0101m l\u012bdz r\u016bpnieciskajiem iepakojuma ielikt\u0146iem un pat\u0113ri\u0146a pre\u010du iesai\u0146ojumiem. Viena no svar\u012bg\u0101kaj\u0101m virsmas \u012bpa\u0161\u012bb\u0101m, kas ietekm\u0113 iepakojuma veiktsp\u0113ju, ir <strong>ASTM D1894<\/strong> berzes koeficients (COF). Nepiem\u0113rots berzes l\u012bmenis var izrais\u012bt ra\u017eo\u0161anas p\u0101rtraukumus, sliktu apstr\u0101d\u0101jam\u012bbu, nestabilu palikt\u0146u kravu vai neapmierino\u0161u pat\u0113r\u0113t\u0101ju pieredzi.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0160aj\u0101 rakst\u0101 ir izskaidrots <strong>ASTM D1894<\/strong> no praktisk\u0101 in\u017eenierijas viedok\u013ca, ieskaitot <strong>berzes koeficienta tests<\/strong>, test\u0113\u0161anas principi, paraugu sagatavo\u0161ana, rezult\u0101tu interpret\u0101cija un apr\u012bkojuma izv\u0113le. Neatkar\u012bgi no t\u0101, vai esat iepakojuma ra\u017eot\u0101js, kvalit\u0101tes kontroles in\u017eenieris, laboratorijas tehni\u0137is vai produktu izstr\u0101d\u0101t\u0101js, izpratne par <strong>ASTM D1894<\/strong> pal\u012bdz nodro\u0161in\u0101t stabilu produktu kvalit\u0101ti un efekt\u012bvu ra\u017eo\u0161anu.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">K\u0101p\u0113c standarts ASTM D1894 ir svar\u012bgs<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>ASTM D1894<\/strong> ir standarta test\u0113\u0161anas metode, ko izmanto, lai noteiktu <strong>statiskais berzes koeficients<\/strong> un <strong>kin\u0113tiskais berzes koeficients<\/strong> no plastmasas pl\u0113ves un loksn\u0113m.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0160is tests nov\u0113rt\u0113, cik liels sp\u0113ks ir nepiecie\u0161ams, lai uzs\u0101ktu kust\u012bbu starp div\u0101m saskaro\u0161\u0101m virsm\u0101m, un cik liels sp\u0113ks ir nepiecie\u0161ams, lai uztur\u0113tu nep\u0101rtrauktu sl\u012bd\u0113\u0161anu. \u0160ie m\u0113r\u012bjumi sniedz v\u0113rt\u012bgu inform\u0101ciju par iepakojuma materi\u0101lu sl\u012bd\u0113\u0161anas \u012bpa\u0161\u012bb\u0101m.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Iepakojuma ra\u017eo\u0161an\u0101 berze tie\u0161i ietekm\u0113:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0100trdarb\u012bgas form\u0113\u0161anas, pild\u012b\u0161anas un aizz\u012bmogo\u0161anas oper\u0101cijas<\/li>\n\n\n\n<li>Autom\u0101tisk\u0101s mar\u0137\u0113\u0161anas iek\u0101rtas<\/li>\n\n\n\n<li>Iepako\u0161anas un transport\u0113\u0161anas sist\u0113mas<\/li>\n\n\n\n<li>Iepakojumu krau\u0161anas stabilit\u0101te<\/li>\n\n\n\n<li>Rull\u012b\u0161u tinuma veiktsp\u0113ja<\/li>\n\n\n\n<li>Pieredze darb\u0101 ar pat\u0113r\u0113t\u0101jiem<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">T\u0101 k\u0101 virsmas berze ietekm\u0113 gan ra\u017eo\u0161anas efektivit\u0101ti, gan gala produkta \u012bpa\u0161\u012bbas, <strong>iepakojuma COF test\u0113\u0161ana<\/strong> ir k\u013cuvusi par ikdienas kvalit\u0101tes kontroles proced\u016bru daudz\u0101s nozar\u0113s.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Statisk\u0101 un kin\u0113tisk\u0101 berzes koeficienta izpratne<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Port\u0101ls <strong>berzes koeficienta tests<\/strong> izm\u0113ra divas at\u0161\u0137ir\u012bgas berzes \u012bpa\u0161\u012bbas.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Parametrs<\/th><th>Apraksts<\/th><th>Noz\u012bme<\/th><\/tr><\/thead><tbody><tr><td>Statiskais COF<\/td><td>Kust\u012bbas uzs\u0101k\u0161anai nepiecie\u0161amais sp\u0113ks<\/td><td>Nor\u0101da uz s\u0101kotn\u0113ju pielip\u0161anas vai blo\u0137\u0113\u0161an\u0101s tendenci<\/td><\/tr><tr><td>Kin\u0113tiskais COF<\/td><td>Sp\u0113ks, kas nepiecie\u0161ams, lai uztur\u0113tu kust\u012bbu<\/td><td>Atspogu\u013co nep\u0101rtrauktu sl\u012bd\u0113\u0161anas veiktsp\u0113ju<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Augsts statiskais berzes koeficients (COF) var izrais\u012bt pl\u0113vju salip\u0161anu, savuk\u0101rt \u013coti zems COF var samazin\u0101t pl\u0113vju kaudzes stabilit\u0101ti. T\u0101pat ar\u012b kin\u0113tiskais COF ietekm\u0113 to, cik vienm\u0113r\u012bgi materi\u0101li p\u0101rvietojas caur iepako\u0161anas iek\u0101rt\u0101m.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Optim\u0101lais berzes l\u012bmenis ir atkar\u012bgs no lieto\u0161anas m\u0113r\u0137a, nevis no centieniem sasniegt iesp\u0113jami zem\u0101ko v\u0113rt\u012bbu.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">ASTM D1894 testa princips<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Princips <strong>ASTM D1894<\/strong> ir vienk\u0101r\u0161i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Viens paraugs tiek nostiprin\u0101ts uz horizont\u0101las test\u0113\u0161anas platformas, savuk\u0101rt otrs paraugs tiek piestiprin\u0101ts pie noslogota rati\u0146a. Rati\u0146\u0161 tiek vilkts ar kontrol\u0113tu \u0101trumu, izmantojot test\u0113\u0161anas ier\u012bci. Kust\u012bbas laik\u0101 ier\u012bce nep\u0101rtraukti m\u0113ra vilk\u0161anas sp\u0113ku.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Berzes koeficients tiek apr\u0113\u0137in\u0101ts \u0161\u0101di:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>COF = berzes sp\u0113ks \u00f7 norm\u0101lais sp\u0113ks<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Liel\u0101kais sp\u0113ks, kas nepiecie\u0161ams, lai uzs\u0101ktu kust\u012bbu, atspogu\u013co statisko berzes koeficientu, savuk\u0101rt vid\u0113jais sp\u0113ks vienm\u0113r\u012bgas sl\u012bd\u0113\u0161anas laik\u0101 atspogu\u013co kin\u0113tisko berzes koeficientu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Prec\u012bza \u0101truma kontrole ir \u013coti svar\u012bga, jo berzes r\u0101d\u012bt\u0101ji ir atkar\u012bgi no kust\u012bbas \u0101truma. Standarts ASTM D1894 nosaka p\u0101rbaudes \u0101trumu <strong>150 mm\/min<\/strong>, savuk\u0101rt standarts ISO 8295 nosaka <strong>100 mm\/min<\/strong>, t\u0101p\u0113c ir b\u016btiski, lai instruments atbilstu izv\u0113l\u0113tajam standartam.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Pras\u012bbas attiec\u012bb\u0101 uz testa paraugiem<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Pareiza parauga sagatavo\u0161ana ir \u013coti svar\u012bga, lai ieg\u016btu uzticamus datus.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Saska\u0146\u0101 ar standartu ASTM D1894:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Paraugs<\/th><th>Tipiskais izm\u0113rs<\/th><\/tr><\/thead><tbody><tr><td>Plaknes paraugs<\/td><td>Aptuveni 250 \u00d7 130 mm<\/td><\/tr><tr><td>Filma, kas piestiprin\u0101ta pie ragav\u0101m<\/td><td>Aptuveni 120 \u00d7 120 mm<\/td><\/tr><tr><td>Biezs loksnis, kas piestiprin\u0101ts pie ragav\u0101m<\/td><td>63,5 \u00d7 63,5 mm<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Standarts ar\u012b iesaka:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Vismaz piecu paraugu test\u0113\u0161ana<\/li>\n\n\n\n<li>Izmantojot t\u012brus, nepies\u0101r\u0146otus paraugus<\/li>\n\n\n\n<li>K\u0101 izvair\u012bties no pirkstu nospiedumiem uz testa virsm\u0101m<\/li>\n\n\n\n<li>Paraugu nomai\u0146a p\u0113c katra testa<\/li>\n\n\n\n<li>Vienm\u0113r\u012bgas ma\u0161\u012bnas virziena saglab\u0101\u0161ana test\u0113\u0161anas laik\u0101<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Pat nelieli putek\u013cu vai e\u013c\u013cas daudzumi var iev\u0113rojami ietekm\u0113t izm\u0113r\u012btos berzes r\u0101d\u012bt\u0101jus.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Faktori, kas ietekm\u0113 plastmasas pl\u0113ves berzes koeficientu<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Port\u0101ls <strong>plastmasas pl\u0113ves berzes koeficients<\/strong> tas ir atkar\u012bgs no daudziem faktoriem, ne tikai no pa\u0161a materi\u0101la.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Bie\u017ei sastopami ietekm\u0113jo\u0161ie faktori ir:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Sl\u012bd\u0113\u0161anas piedevas<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Polietil\u0113na un polipropil\u0113na pl\u0113ves bie\u017ei satur pretsl\u012bd\u0113\u0161anas piedevas, kas laika gait\u0101 nok\u013c\u016bst uz virsmas, mainot berzes \u012bpa\u0161\u012bbas.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Virsmas apstr\u0101de<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Koronap\u0101rkl\u0101jums, plazmas apstr\u0101de, p\u0101rkl\u0101jumi un apdruka maina virsmas ener\u0123iju un t\u0101d\u0113j\u0101di ietekm\u0113 berzes \u012bpa\u0161\u012bbas.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Filmas noveco\u0161an\u0101s<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Daudzas piedevas pak\u0101peniski izdal\u0101s. T\u0101p\u0113c berzes r\u0101d\u012bt\u0101ji var main\u012bties da\u017eas dienas vai ned\u0113\u013cas p\u0113c ra\u017eo\u0161anas.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Temperat\u016bra un mitrums<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Vides apst\u0101k\u013ci ietekm\u0113 polim\u0113ra virsmas \u012bpa\u0161\u012bbas, un tos ir j\u0101kontrol\u0113 test\u0113\u0161anas laik\u0101.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ra\u017eo\u0161anas process<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ekstr\u016bzijas apst\u0101k\u013ci, dzes\u0113\u0161anas velt\u0146a temperat\u016bra un apstr\u0101des \u0101trums \u2014 visi \u0161ie faktori ietekm\u0113 virsmas morfolo\u0123iju.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Lai nodro\u0161in\u0101tu noz\u012bm\u012bgus sal\u012bdzin\u0101jumus, laboratorij\u0101m j\u0101iev\u0113ro vienotas sagatavo\u0161anas proced\u016bras un vides apst\u0101k\u013ci.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Pap\u012bra berzes koeficients sal\u012bdzin\u0101jum\u0101 ar plastmasas pl\u0113vi<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Lai gan <strong>ASTM D1894<\/strong> Lai gan \u0161is raksts galvenok\u0101rt ir velt\u012bts plastmasas pl\u0113v\u0113m un loksn\u0113m, l\u012bdz\u012bgas berzes test\u0113\u0161anas metodes ir noder\u012bgas ar\u012b, lai nov\u0113rt\u0113tu <strong>pap\u012bra berzes koeficients<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pap\u012bra iepakojuma pielietojuma jomas ietver:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Salok\u0101m\u0101s kartona kastes<\/li>\n\n\n\n<li>Gofr\u0113tie ielikt\u0146i<\/li>\n\n\n\n<li>Pap\u012bra eti\u0137etes<\/li>\n\n\n\n<li>Lakots kartons<\/li>\n\n\n\n<li>Drukas materi\u0101li<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Pap\u012bra virsm\u0101m bie\u017ei piem\u012bt at\u0161\u0137ir\u012bgas berzes \u012bpa\u0161\u012bbas, ko nosaka to raupjums, p\u0101rkl\u0101jumi, \u0161\u0137iedru orient\u0101cija un mitruma uzs\u016bk\u0161an\u0101s. Daudzos p\u0101rstr\u0101des procesos ar\u012b berze starp pap\u012bru un plastmasas pl\u0113v\u0113m ietekm\u0113 iek\u0101rtas darb\u012bbas r\u0101d\u012bt\u0101jus.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Izpratne par abiem <strong>pap\u012bra berzes koeficients<\/strong> un plastmasas materi\u0101li \u013cauj ra\u017eot\u0101jiem optimiz\u0113t daudzmateri\u0101lu iepakojuma sist\u0113mas.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Iepakojuma COF test\u0113\u0161anas pielietojumi<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Iepakojuma COF test\u0113\u0161ana<\/strong> to pla\u0161i izmanto vis\u0101 produkta izstr\u0101des un ra\u017eo\u0161anas proces\u0101.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Elast\u012bgais iepakojums<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Uzkodas maisi\u0146i<\/li>\n\n\n\n<li>Sald\u0113to p\u0101rtikas produktu iepakojums<\/li>\n\n\n\n<li>Retortu maisi\u0146i<\/li>\n\n\n\n<li>Vakuuma maisi\u0146i<\/li>\n\n\n\n<li>St\u0101vo\u0161ie maisi\u0146i<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Farm\u0101cijas iepakojums<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Medic\u012bnisk\u0101s somi\u0146as<\/li>\n\n\n\n<li>Blisteru v\u0101ku materi\u0101li<\/li>\n\n\n\n<li>Steril\u0101s barjeras sist\u0113mas<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Pat\u0113ri\u0146a preces<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Iepakojums person\u012bgajai higi\u0113nai<\/li>\n\n\n\n<li>Iepakojumi sadz\u012bves prec\u0113m<\/li>\n\n\n\n<li>Kosm\u0113tikas elast\u012bgais iepakojums<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">R\u016bpnieciskie iepakojumi<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Stretch pl\u0113ves<\/li>\n\n\n\n<li>Termopl\u0113ves<\/li>\n\n\n\n<li>Aizsargp\u0101rsegi<\/li>\n\n\n\n<li>Iztur\u012bgas somas<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Regul\u0101ri berzes testi pal\u012bdz atkl\u0101t ra\u017eo\u0161anas novirzes, pirms izstr\u0101d\u0101jumi non\u0101k pie klientiem.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">K\u0101 izv\u0113l\u0113ties COF test\u0113\u0161anas iek\u0101rtu<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Pareiz\u0101s izv\u0113le <strong>COF test\u0113\u0161anas iek\u0101rta<\/strong> tas noz\u012bm\u0113 ne tikai pamatstandartu iev\u0113ro\u0161anu. Laboratorij\u0101m ir j\u0101nov\u0113rt\u0113 vair\u0101ki darb\u012bbas r\u0101d\u012bt\u0101ji.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Svar\u012bgi apsv\u0113rumi ir \u0161\u0101di:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Atbilst\u012bba standartiem ASTM D1894 un ISO 8295<\/li>\n\n\n\n<li>Stabils vilk\u0161anas \u0101truma regul\u0113jums<\/li>\n\n\n\n<li>Augstas precizit\u0101tes slodzes dev\u0113js<\/li>\n\n\n\n<li>Statisk\u0101 un kin\u0113tisk\u0101 berzes koeficienta autom\u0101tiska apr\u0113\u0137in\u0101\u0161ana<\/li>\n\n\n\n<li>Lietot\u0101jam draudz\u012bga darb\u012bba<\/li>\n\n\n\n<li>Datu uzglab\u0101\u0161anas un eksport\u0113\u0161anas iesp\u0113jas<\/li>\n\n\n\n<li>Atk\u0101rtojamas kust\u012bbas sist\u0113ma<\/li>\n\n\n\n<li>Vienk\u0101r\u0161a parauga uzst\u0101d\u012b\u0161ana<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">M\u016bsdienu laboratorijas izmanto ar\u012b sk\u0101rienj\u016bt\u012bgos interfeisus, statistisk\u0101s anal\u012bzes un digit\u0101l\u0101s atskaites funkcijas.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">COF-01 berzes koeficienta test\u0113t\u0101js no Cell Instruments<\/h2>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/07\/COF-01cof-testing-machine-1024x1024.webp\" alt=\"ASTM D1894 berzes koeficienta noteik\u0161ana iepakojumam\" class=\"wp-image-1426\" style=\"width:314px;height:auto\" title=\"\" srcset=\"https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/07\/COF-01cof-testing-machine-1024x1024.webp 1024w, https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/07\/COF-01cof-testing-machine-300x300.webp 300w, https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/07\/COF-01cof-testing-machine-150x150.webp 150w, https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/07\/COF-01cof-testing-machine-768x768.webp 768w, https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/07\/COF-01cof-testing-machine-12x12.webp 12w, https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/07\/COF-01cof-testing-machine.webp 1080w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Laboratorij\u0101m, kur\u0101m nepiecie\u0161ama uzticama <strong>berzes koeficienta tests<\/strong> rezult\u0101ti, <strong>COF-01 Berzes koeficienta test\u0113t\u0101js<\/strong> no <a href=\"https:\/\/www.packtests.com\/lv\/\" target=\"_blank\" rel=\"noreferrer noopener\">Cell Instruments<\/a> nodro\u0161ina praktisku risin\u0101jumu ikdienas kvalit\u0101tes kontrolei un p\u0113tniec\u012bbas vajadz\u012bb\u0101m.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Galvenie tehniskie parametri<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Prece<\/th><th>Tehniskie dati<\/th><\/tr><\/thead><tbody><tr><td>Slodzes elements<\/td><td>5 N (piel\u0101gojams)<\/td><\/tr><tr><td>Precizit\u0101te<\/td><td>0,51 TP5T F.S.<\/td><\/tr><tr><td>Rati\u0146u svars<\/td><td>200 \u00b11 g<\/td><\/tr><tr><td>Testa \u0101trums<\/td><td>150 mm\/min (ASTM), 100 mm\/min (ISO)<\/td><\/tr><tr><td>Kust\u012bbas sist\u0113ma<\/td><td>So\u013cdzin\u0113js ar lod\u012b\u0161u v\u012btni<\/td><\/tr><tr><td>Lietot\u0101ja saskarne<\/td><td>PLC vad\u012bba ar sk\u0101rienj\u016bt\u012bgo HMI<\/td><\/tr><tr><td>Datu izvade<\/td><td>Maks., min., vid\u0113jais COF, printeris, papildu RS-232<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Praktisk\u0101s funkcijas<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">COF-01 ir izstr\u0101d\u0101ts, lai uzlabotu test\u0113\u0161anas efektivit\u0101ti, izmantojot:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Divu re\u017e\u012bmu statisk\u0101 un kin\u0113tisk\u0101 test\u0113\u0161ana<\/li>\n\n\n\n<li>Autom\u0101tiska datu ieguve<\/li>\n\n\n\n<li>Berzes l\u012bknes att\u0113lo\u0161ana re\u0101llaik\u0101<\/li>\n\n\n\n<li>Prec\u012bza kust\u012bba ar atk\u0101rtojam\u012bbu<\/li>\n\n\n\n<li>Iztur\u012bga alum\u012bnija test\u0113\u0161anas platforma<\/li>\n\n\n\n<li>Piel\u0101gojama valodas saskarne<\/li>\n\n\n\n<li>P\u0101rslodzes aizsardz\u012bba un autom\u0101tiska atgrie\u0161an\u0101s<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0160\u012bs funkcijas pal\u012bdz laboratorij\u0101m ieg\u016bt stabilus un atk\u0101rtojamus rezult\u0101tus, vienlaikus vienk\u0101r\u0161ojot ikdienas darbu.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Lab\u0101k\u0101 prakse uzticamu ASTM D1894 testu veik\u0161anai<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Lai uzlabotu m\u0113r\u012bjumu konsekvenci:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Paraugu apstr\u0101de kontrol\u0113tos laboratorijas apst\u0101k\u013cos.<\/li>\n\n\n\n<li>Ja vien iesp\u0113jams, ar paraugiem r\u012bkojieties, valk\u0101jot cimdus.<\/li>\n\n\n\n<li>Katram testam izmantojiet svaigus paraugus.<\/li>\n\n\n\n<li>Uzturiet test\u0113\u0161anas platformu t\u012bru.<\/li>\n\n\n\n<li>Periodiski p\u0101rbaudiet ragavas svaru.<\/li>\n\n\n\n<li>Regul\u0101ri kalibr\u0113jiet slodzes dev\u0113ju.<\/li>\n\n\n\n<li>Iev\u0113rojiet nor\u0101d\u012bto vilk\u0161anas \u0101trumu.<\/li>\n\n\n\n<li>Veiciet pietiekamu skaitu atk\u0101rtojumu, lai nodro\u0161in\u0101tu statistisko ticam\u012bbu.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Vienota laboratorijas darba k\u0101rt\u012bba bie\u017ei vien atk\u0101rtojam\u012bbai sniedz liel\u0101ku ieguld\u012bjumu nek\u0101 pats instruments.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">ASTM D1894 un saist\u012btie standarti<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Lai gan <strong>ASTM D1894<\/strong> ir viens no vispla\u0161\u0101k izmantotajiem berzes standartiem plastmasas pl\u0113v\u0113m; laboratorijas bie\u017ei str\u0101d\u0101 ar saist\u012btiem standartiem atkar\u012bb\u0101 no materi\u0101la un pielietojuma.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Standarta<\/th><th>Pieteikums<\/th><\/tr><\/thead><tbody><tr><td>ASTM D1894<\/td><td>Plastmasas pl\u0113ves un lok\u0161\u0146u statiskais un kin\u0113tiskais berzes koeficients<\/td><\/tr><tr><td>ISO 8295<\/td><td>Plastmasas pl\u0113ves un lok\u0161\u0146u berzes koeficients<\/td><\/tr><tr><td>ASTM D2534<\/td><td>Vasku p\u0101rkl\u0101jumu berzes koeficients<\/td><\/tr><tr><td>TAPPI T549<\/td><td>Pap\u012bra un kartona berzes iztur\u012bbas p\u0101rbaude<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Atbilsto\u0161a standarta izv\u0113le nodro\u0161ina, ka rezult\u0101ti atbilst produkta specifik\u0101cij\u0101m un klientu pras\u012bb\u0101m.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Secin\u0101jums<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Virsmas berze iev\u0113rojami ietekm\u0113 iepakojuma veiktsp\u0113ju, ra\u017eo\u0161anas efektivit\u0101ti un produkta kvalit\u0101ti. <a href=\"https:\/\/store.astm.org\/d1894-24.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">ASTM D1894<\/a> nodro\u0161ina standartiz\u0113tu metodi gan statisk\u0101s, gan kin\u0113tisk\u0101s berzes raksturlielumu m\u0113r\u012b\u0161anai, \u013caujot ra\u017eot\u0101jiem uzraudz\u012bt procesa stabilit\u0101ti, nov\u0113rt\u0113t izmai\u0146as materi\u0101los un optimiz\u0113t iepakojuma veiktsp\u0113ju.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Neatkar\u012bgi no t\u0101, vai tiek nov\u0113rt\u0113ts <strong>plastmasas pl\u0113ves berzes koeficients<\/strong>, izv\u0113rt\u0113jot <strong>pap\u012bra berzes koeficients<\/strong>, vai ar\u012b veicot ikdienas <strong>iepakojuma COF test\u0113\u0161ana<\/strong>, lai ieg\u016btu noz\u012bm\u012bgus rezult\u0101tus, ir nepiecie\u0161ams uzticams apr\u012bkojums un standartiz\u0113tas proced\u016bras. Augstas kvalit\u0101tes <strong>COF test\u0113\u0161anas iek\u0101rta<\/strong>, apvienojum\u0101 ar pareizu paraugu sagatavo\u0161anu un kontrol\u0113tiem laboratorijas apst\u0101k\u013ciem, \u013cauj ra\u017eot\u0101jiem pie\u0146emt pamatotus l\u0113mumus par kvalit\u0101ti, samazin\u0101t ra\u017eo\u0161anas sv\u0101rst\u012bbas un uzlabot iepakojuma veiktsp\u0113ju daudz\u0101s da\u017e\u0101d\u0101s nozar\u0113s.<\/p>","protected":false},"excerpt":{"rendered":"<p>Plastic films play a critical role in modern packaging, from food pouches and pharmaceutical sachets to industrial liners and consumer product wrapping. One of the most important surface characteristics influencing package performance is the ASTM D1894 coefficient of friction (COF). An improper friction level can lead to production downtime, poor machinability, unstable pallet loads, or [&hellip;]<\/p>","protected":false},"featured_media":1426,"parent":0,"template":"","meta":{"_acf_changed":false},"standard-category":[],"class_list":["post-1425","standard","type-standard","status-publish","has-post-thumbnail","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.packtests.com\/lv\/wp-json\/wp\/v2\/standard\/1425","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.packtests.com\/lv\/wp-json\/wp\/v2\/standard"}],"about":[{"href":"https:\/\/www.packtests.com\/lv\/wp-json\/wp\/v2\/types\/standard"}],"version-history":[{"count":5,"href":"https:\/\/www.packtests.com\/lv\/wp-json\/wp\/v2\/standard\/1425\/revisions"}],"predecessor-version":[{"id":1590,"href":"https:\/\/www.packtests.com\/lv\/wp-json\/wp\/v2\/standard\/1425\/revisions\/1590"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.packtests.com\/lv\/wp-json\/wp\/v2\/media\/1426"}],"wp:attachment":[{"href":"https:\/\/www.packtests.com\/lv\/wp-json\/wp\/v2\/media?parent=1425"}],"wp:term":[{"taxonomy":"standard-category","embeddable":true,"href":"https:\/\/www.packtests.com\/lv\/wp-json\/wp\/v2\/standard-category?post=1425"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}