{"id":9867,"date":"2026-02-24T15:11:46","date_gmt":"2026-02-24T07:11:46","guid":{"rendered":"https:\/\/www.packqc.com\/standard\/iso-1974-2\/"},"modified":"2026-04-16T09:54:21","modified_gmt":"2026-04-16T01:54:21","slug":"iso-1974","status":"publish","type":"standard","link":"https:\/\/www.packqc.com\/lv\/standard\/iso-1974\/","title":{"rendered":"ISO\u00a01974"},"content":{"rendered":"<h2 class=\"wp-block-heading\">K\u0101 ISO 1974 defin\u0113 iztur\u012bbu pret pl\u012bsumiem<\/h2>\n\n\n\n<p>Standart\u0101 ir aprakst\u012bta sec\u012bba, kur\u0101 operators ievieto \u010detras uzkl\u0101tas loksnes <a href=\"https:\/\/www.packqc.com\/lv\/products\/sld-01-elmendorf-tear-strength-tester\/\" target=\"_blank\" rel=\"noreferrer noopener\">Elmendorf sv\u0101rsta testeris<\/a>, ievie\u0161 s\u0101kotn\u0113jo griezumu un \u013cauj sv\u0101rstam p\u0101rvar\u0113t noteiktu att\u0101lumu. . <strong data-start=\"1636\" data-end=\"1667\">sv\u0101rsta zaud\u0113t\u0101 ener\u0123ija<\/strong> atspogu\u013co darbu, kas nepiecie\u0161ams, lai izplat\u012btu pl\u012bsumu. No t\u0101 laboratorij\u0101s apr\u0113\u0137ina vid\u0113jo pl\u012b\u0161anas sp\u0113ku uz loksni.<\/p>\n\n\n\n<p>Standarts galvenok\u0101rt attiecas uz pap\u012bru un vieglu kartonu, kuru iztur\u012bba pret pl\u012bsumiem ietilpst Elmendorfa tipa instrumentu iesp\u0113ju diapazon\u0101. ISO 1974 iesaka izv\u0113l\u0113ties sv\u0101rsta jaudu, kas nodro\u0161ina, ka r\u0101d\u012bjumi paliek starp 20% un 80% no testera skalas, maksim\u0101li palielinot precizit\u0101ti un atk\u0101rtojam\u012bbu.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">K\u0101p\u0113c ir svar\u012bga pretest\u012bba pret pl\u012bsumiem<\/h2>\n\n\n\n<p>Pap\u012bra pl\u012b\u0161anas iztur\u012bba tie\u0161i ietekm\u0113 apstr\u0101des veiktsp\u0113ju, iepakojuma integrit\u0101ti un galapat\u0113ri\u0146a ilgiztur\u012bbu. Nepietiekama iztur\u012bba bie\u017ei vien izraisa auduma pl\u012bsumus, sliktu izlietojam\u012bbu vai pat\u0113r\u0113t\u0101ju s\u016bdz\u012bbas. Turpret\u012b p\u0101rm\u0113r\u012bga iztur\u012bba var trauc\u0113t t\u0101das darb\u012bbas k\u0101, piem\u0113ram, atv\u0113r\u0161anas elementi, bigo\u0161ana vai perfor\u0101cija. ISO 1974 pied\u0101v\u0101 uzticamu m\u0113r\u012bjumu sist\u0113mu, kas pal\u012bdz l\u012bdzsvarot \u0161\u012bs pras\u012bbas.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Elmendorfa pl\u012b\u0161anas metodes galvenie principi<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Kontrol\u0113ta asaru izplat\u012b\u0161an\u0101s<\/h3>\n\n\n\n<p>ISO 1974 izmanto <strong data-start=\"2649\" data-end=\"2669\">viena asaru l\u012bnija<\/strong> izveidots p\u0113c stingras sakrautu lok\u0161\u0146u saspie\u0161anas. Standartiz\u0113jot lapu skaitu, pl\u012b\u0161anas att\u0101lumu un sv\u0101rsta kust\u012bbu, test\u0101 tiek izol\u0113ta pl\u012b\u0161anas \u012bpa\u0161\u012bba, nevis operatora tehnikas ietekme.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Sv\u0101rsta un masas izv\u0113le<\/h3>\n\n\n\n<p>Asaru v\u0113rt\u012bbai j\u0101iek\u013caujas ieteicamaj\u0101 darb\u012bbas diapazon\u0101. Darbs \u0101rpus diapazona palielina testa nenoteikt\u012bbu. M\u016bsdienu instrumenti vienk\u0101r\u0161o \u0161o izv\u0113li, izmantojot modul\u0101r\u0101s vai autom\u0101tiski atpaz\u012bstam\u0101s sv\u0101rsta masas.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Datu kvalit\u0101te un zi\u0146o\u0161ana<\/h3>\n\n\n\n<p>Saska\u0146\u0101 ar ISO 1974 ir atsevi\u0161\u0137i j\u0101zi\u0146o par iztur\u012bbu pret pl\u012bsumiem abos virzienos, tostarp par vari\u0101ciju koeficientu. Digit\u0101l\u0101s zi\u0146o\u0161anas sist\u0113mas pal\u012bdz komand\u0101m samazin\u0101t transkripcijas k\u013c\u016bdas, saglab\u0101t izsekojam\u012bbu un pa\u0101trin\u0101t c\u0113lo\u0146u anal\u012bzi kvalit\u0101tes izmekl\u0113\u0161anas laik\u0101.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Izv\u0113loties pareizo Elmendorf Tester no Cell Instruments<\/h2>\n\n\n\n<p>Pap\u012bra un iepakojuma laboratoriju m\u0113r\u0137is ir instrumenti, kas nodro\u0161ina <strong data-start=\"4698\" data-end=\"4743\">precizit\u0101te, iztur\u012bba un datu dro\u0161\u012bba.<\/strong>. Cell Instruments SLD-01 Tearing Tester cie\u0161i atbilst ISO 1974 noteiktaj\u0101m darb\u012bbas pras\u012bb\u0101m un uzlabo laboratorijas darba pl\u016bsmas efektivit\u0101ti.<\/p>\n\n\n\n<p>Galven\u0101s priek\u0161roc\u012bbas:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong data-start=\"4937\" data-end=\"4959\">Pneimatisk\u0101 iesp\u012bl\u0113\u0161ana<\/strong> kas nodro\u0161ina vienm\u0113r\u012bgu satv\u0113rienu visos testa gabalos, uzlabojot atk\u0101rtojam\u012bbu.<\/li>\n\n\n\n<li><strong data-start=\"5043\" data-end=\"5073\">Autom\u0101tiska sv\u0101rsta atbr\u012bvo\u0161ana<\/strong>, nov\u0113r\u0161ot operatora laika noteik\u0161anas k\u013c\u016bdas, kas bie\u017ei apdraud tradicion\u0101los manu\u0101los test\u0113t\u0101jus.<\/li>\n\n\n\n<li><strong data-start=\"5164\" data-end=\"5196\">Vair\u0101ku sv\u0101rstu jauda<\/strong> kas aptver gan vieglus, gan smagus pap\u012brus, \u013caujot ar vienu instrumentu veikt pla\u0161u testu diapazonu.<\/li>\n\n\n\n<li><strong data-start=\"5287\" data-end=\"5347\">R\u016bpnieciska l\u012bme\u0146a PLC vad\u012bba ar sk\u0101rienekr\u0101na navig\u0101ciju<\/strong>, kas samazina apm\u0101c\u012bbas laiku un uzlabo produktivit\u0101ti.<\/li>\n\n\n\n<li><strong data-start=\"5408\" data-end=\"5464\">Izv\u0113les iesp\u0113ja - asaru indeksa izvade un profesion\u0101la programmat\u016bra<\/strong>, kas atbalsta celulozes un pap\u012bra standartus un progres\u012bvus zi\u0146ojumus.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Bie\u017e\u0101k uzdotie jaut\u0101jumi par ISO 1974<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Kas ir ISO 1974?<br>ISO 1974 ir starptautiskais standarts, kas defin\u0113 Elmendorfa metodi pap\u012bra un vieglo kartonu iztur\u012bbas pret pl\u012bsumiem noteik\u0161anai. T\u0101 nodro\u0161ina vienotu proced\u016bru, lai izm\u0113r\u012btu sp\u0113ku, kas vajadz\u012bgs, lai testa paraug\u0101 izplat\u012btos pl\u012bsums.<\/li>\n\n\n\n<li>Ko par pap\u012bra kvalit\u0101ti liecina iztur\u012bba pret pl\u012bsumiem?<br>Liel\u0101ka iztur\u012bba pret pl\u012bsumiem parasti liecina par stipr\u0101ku \u0161\u0137iedru savieno\u0161anu un lab\u0101ku struktur\u0101lo integrit\u0101ti. Zemas v\u0113rt\u012bbas var izrais\u012bt apstr\u0101des probl\u0113mas, sliktu darbsp\u0113ju vai produkta boj\u0101jumus iepakojuma lietojumos.<\/li>\n\n\n\n<li>K\u0101dus materi\u0101lus var test\u0113t, izmantojot ISO 1974?<br>ISO 1974 attiecas uz liel\u0101ko da\u013cu pap\u012bra un viegla kartona veidu, kuru iztur\u012bba pret pl\u012bsumiem ietilpst Elmendorfa pl\u012b\u0161anas testera izv\u0113l\u0113taj\u0101 sv\u0101rsta diapazon\u0101.<\/li>\n\n\n\n<li>Cik loksnes ir nepiecie\u0161amas katr\u0101 testa gabal\u0101 saska\u0146\u0101 ar ISO 1974?<br>Standart\u0101 ir pras\u012bts, lai katram testa paraugam b\u016btu \u010detras uzkl\u0101tas loksnes. Tom\u0113r, ja nepiecie\u0161ams, var izmantot vair\u0101k vai maz\u0101k lapu ar noteikumu, ka \u0161\u012b atk\u0101pe ir skaidri nor\u0101d\u012bta testa zi\u0146ojum\u0101.<\/li>\n\n\n\n<li>K\u0101p\u0113c ISO 1974 nosaka, ka j\u0101veic m\u0113r\u012bjumi gan ma\u0161\u012bnas virzien\u0101, gan \u0161\u0137\u0113rsvirzien\u0101?<br>Pap\u012bram piem\u012bt anizotropija, ko nosaka \u0161\u0137iedru orient\u0101cija ra\u017eo\u0161anas laik\u0101. Test\u0113\u0161ana abos virzienos nodro\u0161ina piln\u012bgu izpratni par materi\u0101la uzved\u012bbu un pal\u012bdz diagnostic\u0113t ra\u017eo\u0161anas neatbilst\u012bbas.<\/li>\n\n\n\n<li>K\u0101di faktori var izrais\u012bt neder\u012bgus Elmendorfa asaru testa rezult\u0101tus?<br>Nepareiza sv\u0101rsta izv\u0113le, \u0101rk\u0101rt\u0113ja pl\u012bsuma novirze, nepiln\u012bgs pl\u012bsums, operatora ietekme, lokveida loksnes vai r\u0101d\u012bjumi, kas ir \u0101rpus 20-80 % m\u0113r\u012bjumu diapazona, var pras\u012bt noraid\u012b\u0161anu vai atk\u0101rtotu test\u0113\u0161anu.<\/li>\n\n\n\n<li>K\u0101 saska\u0146\u0101 ar ISO 1974 tiek apr\u0113\u0137in\u0101ts asaru indekss?<br>Pl\u012bsuma indekss normaliz\u0113 pretest\u012bbu pl\u012bsumam p\u0113c gramat\u016bras, izmantojot formulu<br>X = F \/ g,<br>kur F ir loksnes iztur\u012bba pret pl\u012bsumiem un g ir pamatmasa gramos uz kvadr\u0101tmetru. Tas ir noder\u012bgs, lai sal\u012bdzin\u0101tu da\u017e\u0101du gramat\u016bru pap\u012bru.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">\n\t\t\t\tSazinieties ar mums Ieg\u016bstiet ISO 1974 test\u0113\u0161anas risin\u0101jumu\t\t\t\t<\/h2>\n\n\n\n<p><strong><a href=\"https:\/\/www.iso.org\/standard\/52430.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">ISO\u00a01974<\/a><\/strong> nodro\u0161ina stabilu metodolo\u0123iju, kas pal\u012bdz ra\u017eot\u0101jiem un laboratorij\u0101m prec\u012bzi un sal\u012bdzino\u0161i noteikt pap\u012bra iztur\u012bbu pret pl\u012bsumiem. Apvienojot standarta principus ar augstas precizit\u0101tes instrumentiem, piem. <strong data-start=\"6855\" data-end=\"6897\">Cell Instruments SLD-01 pl\u012b\u0161anas testeris<\/strong>, organiz\u0101cijas var uzlabot kvalit\u0101tes nodro\u0161in\u0101\u0161anu, stabiliz\u0113t ra\u017eo\u0161anu un vairot uztic\u012bbu saviem materi\u0101liem.<\/p>","protected":false},"excerpt":{"rendered":"<p>K\u0101 ISO 1974 defin\u0113 iztur\u012bbu pret pl\u012bsumiem Standart\u0101 ir aprakst\u012bta sec\u012bba, kur\u0101 operators ievieto \u010detras uzkl\u0101tas loksnes Elmendorfa sv\u0101rsta tester\u012b, ievie\u0161 s\u0101kotn\u0113jo griezumu un \u013cauj sv\u0101rstam p\u0101rpl\u0113st noteiktu att\u0101lumu. Ener\u0123ija, ko zaud\u0113 sv\u0101rsts, ir darbs, kas nepiecie\u0161ams, lai izplat\u012btu pl\u012bsumu. No t\u0101 laboratorij\u0101s [...]<\/p>","protected":false},"featured_media":8547,"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":[612],"class_list":["post-9867","standard","type-standard","status-publish","has-post-thumbnail","hentry","standard-category-iso"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.packqc.com\/lv\/wp-json\/wp\/v2\/standard\/9867","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.packqc.com\/lv\/wp-json\/wp\/v2\/standard"}],"about":[{"href":"https:\/\/www.packqc.com\/lv\/wp-json\/wp\/v2\/types\/standard"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.packqc.com\/lv\/wp-json\/wp\/v2\/media\/8547"}],"wp:attachment":[{"href":"https:\/\/www.packqc.com\/lv\/wp-json\/wp\/v2\/media?parent=9867"}],"wp:term":[{"taxonomy":"standard-category","embeddable":true,"href":"https:\/\/www.packqc.com\/lv\/wp-json\/wp\/v2\/standard-category?post=9867"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}