{"id":525,"date":"2025-06-30T02:15:50","date_gmt":"2025-06-30T02:15:50","guid":{"rendered":"https:\/\/www.coefficientfriction.com\/?p=525"},"modified":"2025-06-30T02:15:51","modified_gmt":"2025-06-30T02:15:51","slug":"coefficient-of-friction-pvc-testing-guide-based-on-astm-d1894-and-iso-8295","status":"publish","type":"post","link":"https:\/\/www.coefficientfriction.com\/lv\/coefficient-of-friction-pvc-testing-guide-based-on-astm-d1894-and-iso-8295","title":{"rendered":"PVC berzes koeficienta test\u0113\u0161anas rokasgr\u0101mata, pamatojoties uz ASTM D1894 un ISO 8295 standartiem"},"content":{"rendered":"<h2 class=\"wp-block-heading\"><strong>I<\/strong>ievads par berzes koeficienta test\u0113\u0161anu ar PVC<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Port\u0101ls <em>berzes koeficients PVC<\/em> ir \u013coti svar\u012bgs PVC pl\u0113vju un lok\u0161\u0146u veiktsp\u0113jas parametrs, jo \u012bpa\u0161i iepakojuma, medic\u012bnas ier\u012b\u010du un r\u016bpnieciskiem lietojumiem. Berze ietekm\u0113 materi\u0101lu uzved\u012bbu apstr\u0101des, krau\u0161anas vai galapat\u0113ri\u0146a laik\u0101. \u0160\u012bs \u012bpa\u0161\u012bbas izpratne un prec\u012bza m\u0113r\u012b\u0161ana nodro\u0161ina konsekvenci un uzticam\u012bbu kvalit\u0101tes kontrol\u0113.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Divi starptautiski atz\u012bti standarti -<em>ASTM D1894<\/em> un <em>ISO 8295<\/em>-sniegt struktur\u0113tas proced\u016bras statisko un kin\u0113tisko berzes koeficientu noteik\u0161anai. \u0160aj\u0101 rakst\u0101 tiks sniegta inform\u0101cija par test\u0113\u0161anas procesu, instrumentu izv\u0113li un rezult\u0101tu interpret\u0101ciju, \u012bpa\u0161u uzman\u012bbu piev\u0113r\u0161ot PVC materi\u0101liem.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">Izpratne par ASTM D1894: PVC pl\u0113ves berzes test\u0113\u0161ana<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><br><em>ASTM D1894<\/em> tiek pla\u0161i izmantots plastmasas r\u016bpniec\u012bb\u0101, lai m\u0113r\u012btu gan <strong>statiskais<\/strong> un <strong>kin\u0113tiskais<\/strong> plastmasas pl\u0113vju, tostarp PVC, berzes koeficients.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">ASTM D1894 noz\u012bme<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0160is standarts ir v\u0113rsts uz <strong>sl\u012bd\u0113\u0161anas \u012bpa\u0161\u012bbas<\/strong> plastmasas pl\u0113ves. \u0160\u012bs \u012bpa\u0161\u012bbas ir \u012bpa\u0161i svar\u012bgas PVC pl\u0113v\u0113m, ko izmanto iepako\u0161an\u0101, kur virsmas berze ietekm\u0113 materi\u0101la apstr\u0101di un apstr\u0101d\u0101jam\u012bbu. Standart\u0101 \u0146emti v\u0113r\u0101 ar\u012b re\u0101lie apst\u0101k\u013ci, piem\u0113ram, apk\u0101rt\u0113j\u0101s vides temperat\u016bra un virsmas uzp\u016b\u0161an\u0101s, ko izraisa sl\u012bd\u0113\u0161anas piedevas.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Galvenie test\u0113\u0161anas proced\u016bras aspekti<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Parauga izm\u0113ri:<\/strong> Parasti pamatpl\u0113ve (uz plaknes) ir sagriezta 250 \u00d7 130 mm, bet pl\u0113ve, kas piestiprin\u0101ta pie slied\u0113m, ir 120 mm kvadr\u0101tveida.<\/li>\n\n\n\n<li><strong>Mont\u0101\u017eas filmas:<\/strong> P\u0101rliecinieties, ka abas pl\u0113ves ir bez krok\u0101m. Ma\u0161\u012bnas virzienam j\u0101b\u016bt paral\u0113lam kamanu kust\u012bbai.<\/li>\n\n\n\n<li><strong>Testa \u0101trums:<\/strong> 150 \u00b1 30 mm\/min<\/li>\n\n\n\n<li><strong>Statiskais koeficients:<\/strong> Nosaka p\u0113c maksim\u0101l\u0101 sp\u0113ka, kas nepiecie\u0161ams kust\u012bbas uzs\u0101k\u0161anai.<\/li>\n\n\n\n<li><strong>Kin\u0113tiskais koeficients:<\/strong> Apr\u0113\u0137ina no vid\u0113j\u0101 sp\u0113ka ilgsto\u0161as kust\u012bbas laik\u0101.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">J\u0101iev\u0113ro piesardz\u012bba, lai izvair\u012btos no pies\u0101r\u0146ojuma un deform\u0101cijas, kas var ietekm\u0113t berzes v\u0113rt\u012bbas. Svar\u012bgi ir ar\u012b test\u0113t svaigas virsmas, lai nov\u0113rstu neatbilst\u012bbas, ko izraisa noveco\u0161an\u0101s vai piedevu migr\u0101cija.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">ISO 8295 un berzes koeficients PVC materi\u0101liem<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><br><em>ISO 8295<\/em> pied\u0101v\u0101 paral\u0113lu pieeju, lai nov\u0113rt\u0113tu <em>berzes koeficients PVC<\/em>, kas apr\u012bkojuma un principu zi\u0146\u0101 labi atbilst ASTM D1894 standartam, tom\u0113r ar neliel\u0101m procesu\u0101l\u0101m at\u0161\u0137ir\u012bb\u0101m.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">ISO 8295 princips<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Test\u0101 tiek m\u0113r\u012bts sp\u0113ks, kas vajadz\u012bgs, lai kontrol\u0113tos apst\u0101k\u013cos p\u0101rvietotu vienu PVC pl\u0113vi p\u0101ri citai vai citam materi\u0101lam. Rezult\u0101ti ietver <strong>statiskais<\/strong> un <strong>dinamisk\u0101<\/strong> berzes koeficienti.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Test\u0113\u0161anas apsv\u0113rumi<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Kontaktinform\u0101cija Spiediens:<\/strong> J\u0101nodro\u0161ina vienm\u0113r\u012bgs spiediens.<\/li>\n\n\n\n<li><strong>Kamanu svars un plat\u012bba:<\/strong> S\u0101ns j\u0101atbilst standarta parametriem (parasti 200 g ar 50 \u00d7 63,5 mm kontakta laukumu).<\/li>\n\n\n\n<li><strong>Pl\u0113ve uz pl\u0113vi vai pl\u0113ve uz met\u0101lu:<\/strong> Abas konfigur\u0101cijas ir at\u013cautas, ta\u010du rezult\u0101ti at\u0161\u0137iras atkar\u012bb\u0101 no materi\u0101la kontakta virsmas.<\/li>\n\n\n\n<li><strong>Virsmas kondicion\u0113\u0161ana:<\/strong> P\u0101rliecinieties, ka testi tiek veikti t\u0101dos pa\u0161os atmosf\u0113ras apst\u0101k\u013cos, k\u0101dos tika veikta paraugu iepriek\u0161\u0113ja sagatavo\u0161ana.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">Pareiz\u0101 apr\u012bkojuma izv\u0113le PVC berzes test\u0113\u0161anai<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><br>Lai nodro\u0161in\u0101tu prec\u012bzu un reproduc\u0113jamu test\u0113\u0161anu, <strong>prec\u012bzijas instrumenti<\/strong> ir \u013coti svar\u012bgi. Port\u0101lam <em>berzes koeficients PVC<\/em> test\u0113\u0161ana, un <strong>COF-01 berzes koeficienta testeris<\/strong> no <strong>Cell Instruments<\/strong> ir \u013coti ieteicams.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">K\u0101p\u0113c izv\u0113l\u0113ties COF-01 testeri?<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Atbilst\u012bba:<\/strong> Piln\u012bb\u0101 atbilst ASTM D1894 un ISO 8295 pras\u012bb\u0101m.<\/li>\n\n\n\n<li><strong>Precizit\u0101te:<\/strong> Augstas iz\u0161\u0137irtsp\u0113jas slodzes sensori nodro\u0161ina prec\u012bzus sp\u0113ka m\u0113r\u012bjumus<\/li>\n\n\n\n<li><strong>Daudzpus\u012bba:<\/strong> Atbalsta pl\u0113ve pret pl\u0113vi un pl\u0113ve pret met\u0101lu test\u0113\u0161anu<\/li>\n\n\n\n<li><strong>Lieto\u0161anas \u0113rtums:<\/strong> Intuit\u012bva programmat\u016bras saskarne un automatiz\u0113ta datu zi\u0146o\u0161ana<\/li>\n\n\n\n<li><strong>Piel\u0101go\u0161anas iesp\u0113jas:<\/strong> Cell Instruments pied\u0101v\u0101 ar\u012b piel\u0101gotus risin\u0101jumus nestandarta izm\u0113ru paraugiem vai vides apst\u0101k\u013ciem.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0160is profesion\u0101l\u0101s klases apr\u012bkojums pal\u012bdz nodro\u0161in\u0101t, ka j\u016bsu testu rezult\u0101ti ir konsekventi un uzticami, atbalstot stingras kvalit\u0101tes kontroles pras\u012bbas.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">Lab\u0101k\u0101 prakse uzticamu rezult\u0101tu ieg\u016b\u0161anai<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><br>Lai nodro\u0161in\u0101tu ticamus datus par berzi, kas ieg\u016bti no j\u016bsu PVC paraugiem, iev\u0113rojiet \u0161o paraugpraksi:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>P\u0101rbaudiet svaigus paraugus:<\/strong> Noveco\u0161an\u0101s var ietekm\u0113t sl\u012bd\u0113\u0161anas piedevas un virsmas \u012bpa\u0161\u012bbas.<\/li>\n\n\n\n<li><strong>Izvairieties no pies\u0101r\u0146ojuma:<\/strong> Pirkstu nospiedumi, putek\u013ci vai e\u013c\u013ca var izkrop\u013cot rezult\u0101tus.<\/li>\n\n\n\n<li><strong>Test\u0113\u0161ana konsekventos apst\u0101k\u013cos:<\/strong> Iev\u0113rojiet t\u0101du pa\u0161u temperat\u016bru un mitrumu k\u0101 kondicion\u0113\u0161anas laik\u0101<\/li>\n\n\n\n<li><strong>Atk\u0101rtojam\u012bba:<\/strong> Statistisk\u0101 noz\u012bm\u012bguma noteik\u0161anai izmantojiet vismaz piecus testa paraugus.<\/li>\n\n\n\n<li><strong>Regul\u0101ra kalibr\u0113\u0161ana:<\/strong> Nodro\u0161in\u0101t, ka iek\u0101rtas tiek regul\u0101ri kalibr\u0113tas atbilsto\u0161i sertific\u0113tiem standartiem.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">Secin\u0101jums<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><br>Test\u0113\u0161ana <em>berzes koeficients PVC<\/em> ir \u013coti svar\u012bgs ra\u017eot\u0101jiem un kvalit\u0101tes kontroles speci\u0101listiem iepakojuma, pl\u0113ves apstr\u0101des un r\u016bpniecisko materi\u0101lu pielieto\u0161anas jom\u0101. P\u0113c <strong>ASTM D1894<\/strong> un <strong>ISO 8295<\/strong> nodro\u0161ina konsekventu un vis\u0101 pasaul\u0113 atz\u012btu nov\u0113rt\u0113\u0161anas metodi.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Izmantojot <strong>Cell Instruments\u2019 COF-01 berzes koeficienta testeris<\/strong>, j\u016bs varat prec\u012bzi un dro\u0161i nov\u0113rt\u0113t PVC pl\u0113vju sl\u012bdam\u012bbas \u012bpa\u0161\u012bbas. Tas \u013cauj lab\u0101k izv\u0113l\u0113ties materi\u0101lu, uzlabot procesa kontroli un uzlabot izstr\u0101d\u0101jumu veiktsp\u0113ju.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">Galvenie secin\u0101jumi<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Port\u0101ls <em>berzes koeficients PVC<\/em> tie\u0161i ietekm\u0113 iepako\u0161anas l\u012bnijas efektivit\u0101ti un produktu lietojam\u012bbu.<\/li>\n\n\n\n<li>Standarti <strong>ASTM D1894<\/strong> un <strong>ISO 8295<\/strong> nodro\u0161in\u0101t visaptvero\u0161as test\u0113\u0161anas proced\u016bras.<\/li>\n\n\n\n<li><strong>COF-01 testeris<\/strong> no <strong>Cell Instruments<\/strong> nodro\u0161ina atbilsto\u0161us, prec\u012bzus un atk\u0101rtojamus rezult\u0101tus.<\/li>\n\n\n\n<li>Lai ieg\u016btu ticamus datus, \u013coti svar\u012bga ir pareiza parauga apstr\u0101de, test\u0113\u0161anas vide un kalibr\u0113\u0161ana.<\/li>\n<\/ul>\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<iframe title=\"Frikcijas koeficienta test\u0113\u0161anas rokasgr\u0101mata\" width=\"800\" height=\"450\" src=\"https:\/\/www.youtube.com\/embed\/wjEaNctP0KU?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>\n<\/div><\/figure>","protected":false},"excerpt":{"rendered":"<p>Ievads PVC berzes koeficienta test\u0113\u0161an\u0101 PVC berzes koeficients ir b\u016btisks PVC pl\u0113vju un lok\u0161\u0146u veiktsp\u0113jas parametrs, jo \u012bpa\u0161i iepakojuma, medic\u012bnas ier\u012b\u010du un r\u016bpnieciskajos lietojumos. Berze ietekm\u0113 materi\u0101lu uzved\u012bbu apstr\u0101des, krau\u0161anas vai galapat\u0113ri\u0146a laik\u0101. \u0160\u012bs \u012bpa\u0161\u012bbas izpratne un prec\u012bza m\u0113r\u012b\u0161ana nodro\u0161ina konsekvenci un uzticam\u012bbu kvalit\u0101tes kontrol\u0113. Divas [...]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-525","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/www.coefficientfriction.com\/lv\/wp-json\/wp\/v2\/posts\/525","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.coefficientfriction.com\/lv\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.coefficientfriction.com\/lv\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.coefficientfriction.com\/lv\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.coefficientfriction.com\/lv\/wp-json\/wp\/v2\/comments?post=525"}],"version-history":[{"count":1,"href":"https:\/\/www.coefficientfriction.com\/lv\/wp-json\/wp\/v2\/posts\/525\/revisions"}],"predecessor-version":[{"id":526,"href":"https:\/\/www.coefficientfriction.com\/lv\/wp-json\/wp\/v2\/posts\/525\/revisions\/526"}],"wp:attachment":[{"href":"https:\/\/www.coefficientfriction.com\/lv\/wp-json\/wp\/v2\/media?parent=525"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.coefficientfriction.com\/lv\/wp-json\/wp\/v2\/categories?post=525"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.coefficientfriction.com\/lv\/wp-json\/wp\/v2\/tags?post=525"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}