{"id":706,"date":"2026-02-27T08:33:23","date_gmt":"2026-02-27T08:33:23","guid":{"rendered":"https:\/\/www.teartester.com\/?post_type=standard&#038;p=706"},"modified":"2026-02-28T08:22:12","modified_gmt":"2026-02-28T08:22:12","slug":"astm-d751","status":"publish","type":"standard","link":"https:\/\/www.teartester.com\/lv\/standard\/astm-d751\/","title":{"rendered":"ASTM D751"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Auduma pl\u012bsumiztur\u012bbas standarts un t\u0101 noz\u012bme<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Port\u0101ls <strong>ASTM D751 ir standarts, kas nosaka auduma pl\u012bsumiztur\u012bbu<\/strong> nodro\u0161ina, ka p\u0101rkl\u0101tie audumi, ko izmanto telt\u012bs, p\u0101rsegos, aizsargap\u0123\u0113rbos, medic\u012bnas izstr\u0101d\u0101jumos un automobi\u013cu salon\u0101, saglab\u0101 pietiekamu iztur\u012bbu pret pl\u012bsumu izplat\u012b\u0161anos \u0101r\u0113jas slodzes ietekm\u0113. At\u0161\u0137ir\u012bb\u0101 no vienk\u0101r\u0161iem stiepes testiem, pl\u012bsumu iztur\u012bbas p\u0101rbaud\u0113 galven\u0101 uzman\u012bba tiek piev\u0113rsta tam, k\u0101 iepriek\u0161 izgriezta vai dab\u012bgi boj\u0101ta vieta turpina papla\u0161in\u0101ties, piem\u0113rojot slodzi.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0160is nov\u0113rt\u0113jums pal\u012bdz lietot\u0101jiem:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Noteikt v\u0101jos strukt\u016bras punktus, ko izraisa p\u0101rkl\u0101juma biezums, auduma uzb\u016bve vai sl\u0101\u0146u savstarp\u0113j\u0101 sa\u0137ere<\/li>\n\n\n\n<li>Sal\u012bdzin\u0101t materi\u0101lus produktu izstr\u0101dei<\/li>\n\n\n\n<li>Nodro\u0161in\u0101t atbilst\u012bbu iepirkumu un r\u016bpnieciskaj\u0101m specifik\u0101cij\u0101m<\/li>\n\n\n\n<li>Prognoz\u0113t lauka darb\u012bbas r\u0101d\u012bt\u0101jus un ilgtermi\u0146a iztur\u012bbu<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Standarts ASTM D751 apraksta vair\u0101kas pl\u012bsumiztur\u012bbas p\u0101rbaudes metodes, kas \u013cauj prec\u012bz\u0101k un atbilsto\u0161i konkr\u0113tajai lieto\u0161anas jomai interpret\u0113t rezult\u0101tus.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Auduma pl\u012bsumiztur\u012bbas tests saska\u0146\u0101 ar standartu ASTM D751<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0160aj\u0101 gad\u012bjum\u0101 ir pie\u013caujamas vair\u0101kas pieejas <strong>auduma iztur\u012bbas p\u0101rbaude pret pl\u012bsumiem<\/strong>, ta\u010du standarts parasti piev\u0113r\u0161as div\u0101m kategorij\u0101m: sv\u0101rsta metodei un m\u0113les pl\u012bsuma metodei. \u0160ie testi imit\u0113 re\u0101lus boj\u0101jumu scen\u0101rijus, kuros neliels pl\u012bsums spriedzes ietekm\u0113 var turpin\u0101t izplat\u012bties.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Sv\u0101rsta metode<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0160\u012b metode atbilst standartam ASTM D1424 un ir piem\u0113rota visp\u0101r\u0113jiem p\u0101rkl\u0101tiem audumiem. Sv\u0101rsts p\u0101rpl\u0113\u0161 paraugu un m\u0113ra ener\u0123iju, kas nepiecie\u0161ama, lai turpin\u0101tu pl\u0113\u0161anu. T\u0101s vienk\u0101r\u0161\u0101 uzst\u0101d\u012b\u0161ana padara to par izplat\u012btu izv\u0113li ikdienas test\u0113\u0161anai.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">M\u0113les pl\u012bsumu metode<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Gad\u012bjumos, kad audums pirms pl\u012b\u0161anas neveido krokas, liel\u0101ku precizit\u0101ti nodro\u0161ina pl\u012b\u0161anas ar \u201cm\u0113l\u012bt\u0113m\u201d metode. Iegriezto paraugu velk divos virzienos, veidojot divas \u201em\u0113l\u012btes\u201c. Vis\u0101 testa laik\u0101 tiek re\u0123istr\u0113ts sp\u0113ks, kas nepiecie\u0161ams, lai turpin\u0101tu pl\u012b\u0161anu. \u0160\u012b metode ir \u012bpa\u0161i noder\u012bga, analiz\u0113jot pastiprin\u0101tus audumus vai p\u0101rkl\u0101tus tekstilmateri\u0101lus, ko izmanto smagajos apst\u0101k\u013cos.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Auduma pl\u012bsumiztur\u012bba: pras\u012bbas paraugam<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Auduma pl\u012bsumiztur\u012bba<\/strong> Lai nodro\u0161in\u0101tu rezult\u0101tu ticam\u012bbu, test\u0113\u0161anai ir nepiecie\u0161ami prec\u012bzi sagatavoti paraugi:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Parasti izmanto taisnst\u016brus ar izm\u0113riem 76 \u00d7 203 mm.<\/li>\n\n\n\n<li>J\u0101p\u0101rbauda pieci paraugi garenvirzien\u0101 un pieci paraugi \u0161\u0137\u0113rsvirzien\u0101.<\/li>\n\n\n\n<li>Nevien\u0101 no paraugiem nedr\u012bkst b\u016bt identiski pavedieni, lai izvair\u012btos no trauc\u0113jumiem vai datu dubl\u0113\u0161an\u0101s.<\/li>\n\n\n\n<li>Kontrol\u0113ts 76 mm gar\u0161 griezums veido pl\u012bsuma s\u0101kuma punktu.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Stingra sagatavo\u0161anas noteikumu iev\u0113ro\u0161ana nodro\u0161ina eksperimentu partiju atk\u0101rtojam\u012bbu un sal\u012bdzin\u0101m\u012bbu.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Trapecveida pl\u012bsuma iztur\u012bbas tests armat\u016bru audumiem<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Daudziem apstr\u0101d\u0101tiem audumiem ir nepiecie\u0161ams <strong>trapecveida pl\u012bsuma iztur\u012bbas tests<\/strong> jo tas lab\u0101k simul\u0113 daudzvirzienu slodzes. Trapecijas formas atz\u012bme un iepriek\u0161 izgriezums pal\u012bdz koncentr\u0113t spriedzi kontrol\u0113t\u0101 zon\u0101.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0160aj\u0101 proced\u016br\u0101:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Paraugu izm\u0113ri ir 76 \u00d7 152 mm.<\/li>\n\n\n\n<li>15,9 mm gar\u0161 griezums izraisa pl\u012bsumu.<\/li>\n\n\n\n<li>Trapecijas malas tiek fiks\u0113tas, lai nodro\u0161in\u0101tu vienm\u0113r\u012bgu sp\u0113ku.<\/li>\n\n\n\n<li>Pirms audums sasniedz 25% sp\u0113ka pieaugumu, var par\u0101d\u012bties vair\u0101ki pac\u0113lumi un kritumi, p\u0113c k\u0101 tiek fiks\u0113ti rezult\u0101ti.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0160\u012b metode atspogu\u013co neregul\u0101ro pl\u012b\u0161anas raksturu, kas rakstur\u012bgs p\u0101rkl\u0101tiem un lamin\u0113tiem audumiem.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Auduma iztur\u012bbas pret pl\u012bsumiem p\u0101rbaudes metode un p\u0101rbaudes iek\u0101rtu izv\u0113le<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Piem\u0113rot\u0101 izv\u0113le <strong>auduma pl\u012bsumiztur\u012bbas p\u0101rbaudes metode<\/strong> tas ir atkar\u012bgs no auduma strukt\u016bras, p\u0101rkl\u0101juma \u012bpa\u0161\u012bb\u0101m un ekspluat\u0101cijas pras\u012bb\u0101m. Rezult\u0101tu precizit\u0101te liel\u0101 m\u0113r\u0101 ir atkar\u012bga ar\u012b no test\u0113\u0161anas iek\u0101rt\u0101m.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Saska\u0146\u0101 ar standartu ASTM D751 test\u0113\u0161anas iek\u0101rtai j\u0101atbilst stingr\u0101m pras\u012bb\u0101m attiec\u012bb\u0101 uz:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u017dok\u013ca izm\u0113rs (25 \u00d7 50 mm vai liel\u0101ks)<\/li>\n\n\n\n<li>Vienm\u0113r\u012bgs skavas \u0101trums (0,85 mm\/s vai 5 mm\/s atkar\u012bb\u0101 no metodes)<\/li>\n\n\n\n<li>Stabila satv\u0113riena nodro\u0161in\u0101\u0161ana bez sl\u012bd\u0113\u0161anas<\/li>\n\n\n\n<li>Atbilsto\u0161a celtsp\u0113ja (slodze j\u0101b\u016bt diapazon\u0101 no 15% l\u012bdz 85% no svara skalu celtsp\u0113jas)<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Ieteicamais apr\u012bkojums: Cell Instruments TST-01 stiepes test\u0113t\u0101js<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Port\u0101ls <strong>TST-01 stiepes testeris<\/strong> nodro\u0161ina uzticamu risin\u0101jumu ASTM D751 pl\u012bsuma test\u0113\u0161anai. T\u0101s stabil\u0101 PLC vad\u012bt\u0101 sist\u0113ma, prec\u012bz\u0101 lodveida skr\u016bve, pla\u0161ais \u0101truma diapazons (1\u2013500 mm\/min) un savietojam\u012bba ar pl\u012bsuma test\u0113\u0161anas stiprin\u0101jumiem padara to par ide\u0101lu izv\u0113li gan p\u0113tniec\u012bbas un att\u012bst\u012bbas laboratorij\u0101m, gan ra\u017eo\u0161anas kvalit\u0101tes kontroles komand\u0101m. Re\u0101llaika l\u012bknes att\u0113lojums, izcila p\u0101rvietojuma precizit\u0101te un elast\u012bgas datu izvades iesp\u0113jas pal\u012bdz lietot\u0101jiem ieg\u016bt prec\u012bzus un izsekojamus rezult\u0101tus.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Auduma iztur\u012bbas p\u0101rbaude pret pl\u012bsumiem: praktiskais pielietojums r\u016bpniec\u012bb\u0101<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Veicot <strong>auduma iztur\u012bbas p\u0101rbaude<\/strong>, lietot\u0101ji g\u016bst labumu no skaidras izpratnes par:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>K\u0101 p\u0101rkl\u0101juma sa\u0137ere ietekm\u0113 pl\u012bsumu izplat\u012b\u0161anos<\/li>\n\n\n\n<li>K\u0101 auduma strukt\u016bra ietekm\u0113 pl\u012b\u0161anas virzienu<\/li>\n\n\n\n<li>Vai ra\u017eo\u0161anas defekti izraisa samazin\u0101tu iztur\u012bbu pret pl\u012bsumiem<\/li>\n\n\n\n<li>Vai pieg\u0101d\u0101tie materi\u0101li atbilst klienta specifik\u0101cij\u0101m<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">T\u0101 k\u0101 piepras\u012bjums p\u0113c iztur\u012bg\u0101kiem un ilgm\u016b\u017e\u012bg\u0101kiem p\u0101rkl\u0101tiem tekstilmateri\u0101liem pieaug, r\u016bpniec\u012bbas nozares izmanto standartu ASTM D751 k\u0101 kvalit\u0101tes nodro\u0161in\u0101\u0161anas krit\u0113riju.<\/p>","protected":false},"featured_media":0,"parent":0,"template":"","meta":{"_acf_changed":true},"standard-category":[2],"class_list":["post-706","standard","type-standard","status-publish","hentry","standard-category-astm"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.teartester.com\/lv\/wp-json\/wp\/v2\/standard\/706","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.teartester.com\/lv\/wp-json\/wp\/v2\/standard"}],"about":[{"href":"https:\/\/www.teartester.com\/lv\/wp-json\/wp\/v2\/types\/standard"}],"wp:attachment":[{"href":"https:\/\/www.teartester.com\/lv\/wp-json\/wp\/v2\/media?parent=706"}],"wp:term":[{"taxonomy":"standard-category","embeddable":true,"href":"https:\/\/www.teartester.com\/lv\/wp-json\/wp\/v2\/standard-category?post=706"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}