{"id":6695,"date":"2025-06-12T15:15:43","date_gmt":"2025-06-12T07:15:43","guid":{"rendered":"https:\/\/www.qualitester.com\/?page_id=6695"},"modified":"2025-06-12T15:17:41","modified_gmt":"2025-06-12T07:17:41","slug":"iso-7765-1","status":"publish","type":"page","link":"https:\/\/www.qualitester.com\/ro\/standards\/iso-7765-1\/","title":{"rendered":"ISO 7765-1"},"content":{"rendered":"<h1 style=\"text-align: center;\" data-start=\"370\" data-end=\"882\"><small>ISO 776\u20131<\/small><\/h1>\n<h1 style=\"text-align: center;\" data-start=\"370\" data-end=\"882\">Testul de impact cu s\u0103ge\u021bi<\/h1>\n<h2 data-start=\"410\" data-end=\"426\">Introducere<\/h2>\n<p data-start=\"428\" data-end=\"977\">\u00cen industria ambalajelor \u0219i a foliilor din plastic, rezisten\u021ba la impact este un parametru esen\u021bial de performan\u021b\u0103. <em data-start=\"527\" data-end=\"539\">ISO 7765-1<\/em> define\u0219te o metod\u0103 de testare standardizat\u0103 pentru evaluarea <strong data-start=\"594\" data-end=\"619\">energia de rupere la impact<\/strong> din folii \u0219i pl\u0103ci din plastic, folosind un <strong data-start=\"664\" data-end=\"699\">aparat de testare a impactului s\u0103ge\u021bilor \u00een c\u0103dere liber\u0103<\/strong>.<\/p>\n<h2 data-start=\"984\" data-end=\"1028\">\u00cen\u021belegerea standardului ISO 7765-1 \u0219i a scopului s\u0103u<\/h2>\n<p data-start=\"1030\" data-end=\"1396\"><em data-start=\"1030\" data-end=\"1042\">ISO 7765-1<\/em> este un standard interna\u021bional care specific\u0103 dou\u0103 metode de testare\u2014<strong data-start=\"1104\" data-end=\"1116\">Metoda A<\/strong> \u0219i <strong data-start=\"1121\" data-end=\"1133\">Metoda B<\/strong>\u2014pentru determinarea energiei necesare pentru a provoca defectarea \u00een <strong data-start=\"1190\" data-end=\"1218\">folii \u0219i pl\u0103ci din plastic<\/strong> cu o grosime mai mic\u0103 de 1 mm. Aceste metode sunt concepute pentru a simula condi\u021biile \u00een care foliile pot fi supuse unor \u0219ocuri mecanice \u00een timpul manipul\u0103rii, transportului sau utiliz\u0103rii finale.<\/p>\n<ul>\n<li data-start=\"1400\" data-end=\"1466\"><strong data-start=\"1400\" data-end=\"1412\">Metoda A<\/strong>: Se utilizeaz\u0103 o pens\u0103 semisferic\u0103 de 38 mm, l\u0103sat\u0103 s\u0103 cad\u0103 de la o \u00een\u0103l\u021bime de 0,66 m.<\/li>\n<li data-start=\"1469\" data-end=\"1535\"><strong data-start=\"1469\" data-end=\"1481\">Metoda B<\/strong>: Se utilizeaz\u0103 o pinz\u0103 semisferic\u0103 de 50 mm, aruncat\u0103 de la o \u00een\u0103l\u021bime de 1,50 m.<\/li>\n<\/ul>\n<p data-start=\"1537\" data-end=\"1691\">Ambele metode au ca scop determinarea statistic\u0103 a masei s\u0103ge\u021bii care provoac\u0103 ruperea la 50% a probelor testate \u2014 o valoare cunoscut\u0103 sub denumirea de <strong data-start=\"1667\" data-end=\"1690\">masa de e\u0219ec la impact<\/strong>.<\/p>\n<h2 data-start=\"1698\" data-end=\"1751\">Testul de rezisten\u021b\u0103 la impact cu s\u0103ge\u021bi pentru folii din plastic: de ce este important<\/h2>\n<p data-start=\"1753\" data-end=\"1823\">The <strong data-start=\"1757\" data-end=\"1794\">testul de rezisten\u021b\u0103 la impact cu s\u0103geat\u0103 pentru folie de plastic<\/strong> ofer\u0103 date esen\u021biale pentru:<\/p>\n<ul>\n<li data-start=\"1827\" data-end=\"1884\">Evaluarea <strong data-start=\"1837\" data-end=\"1856\">durabilitatea filmului<\/strong> pentru aplica\u021bii de ambalare.<\/li>\n<li data-start=\"1887\" data-end=\"1965\">Identificarea varia\u021biilor de calitate ale materialului, cum ar fi urmele l\u0103sate de matri\u021b\u0103 sau impurit\u0103\u021bile.<\/li>\n<li data-start=\"1968\" data-end=\"2050\">Compararea performan\u021belor foliilor provenite din loturi de produc\u021bie sau de la furnizori diferi\u021bi.<\/li>\n<\/ul>\n<p data-start=\"2052\" data-end=\"2276\">Acest test este deosebit de util pentru aplica\u021bii \u00een <strong data-start=\"2105\" data-end=\"2160\">ambalaje medicale, protec\u021bia alimentelor, produse farmaceutice<\/strong>, \u0219i <strong data-start=\"2166\" data-end=\"2186\">filme industriale<\/strong>, unde rezisten\u021ba la impact se traduce direct \u00een siguran\u021ba produsului \u0219i satisfac\u021bia consumatorului.<\/p>\n<h2 data-start=\"2283\" data-end=\"2342\">Aparat de testare a impactului s\u0103ge\u021bilor \u00een c\u0103dere liber\u0103: Prezentare general\u0103 a echipamentelor cheie<\/h2>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignright wp-image-6697 size-medium\" src=\"https:\/\/www.qualitester.com\/wp-content\/uploads\/2025\/06\/ISO-7765-1-Dart-Impact-Test-for-Plastic-Film-232x300.webp\" alt=\"ISO 7765-1: Testul de rezisten\u021b\u0103 la impact cu s\u0103ge\u021bi pentru folii din plastic\" width=\"232\" height=\"300\" srcset=\"https:\/\/www.qualitester.com\/wp-content\/uploads\/2025\/06\/ISO-7765-1-Dart-Impact-Test-for-Plastic-Film-232x300.webp 232w, https:\/\/www.qualitester.com\/wp-content\/uploads\/2025\/06\/ISO-7765-1-Dart-Impact-Test-for-Plastic-Film-9x12.webp 9w, https:\/\/www.qualitester.com\/wp-content\/uploads\/2025\/06\/ISO-7765-1-Dart-Impact-Test-for-Plastic-Film-600x777.webp 600w, https:\/\/www.qualitester.com\/wp-content\/uploads\/2025\/06\/ISO-7765-1-Dart-Impact-Test-for-Plastic-Film.webp 610w\" sizes=\"(max-width: 232px) 100vw, 232px\" \/><\/p>\n<p data-start=\"2344\" data-end=\"2555\">Pentru a efectua acest test cu precizie este necesar un <strong data-start=\"2396\" data-end=\"2431\">aparat de testare a impactului s\u0103ge\u021bilor \u00een c\u0103dere liber\u0103<\/strong> care respect\u0103 specifica\u021biile standardului ISO 7765-1. Acesta <strong data-start=\"2474\" data-end=\"2501\">Cell Instruments FDT-01<\/strong> este o alegere excelent\u0103 \u00een acest scop. Printre caracteristicile sale se num\u0103r\u0103:<\/p>\n<ul>\n<li data-start=\"2559\" data-end=\"2629\">Precizie <strong data-start=\"2569\" data-end=\"2601\">declan\u0219area electromagnetic\u0103 a s\u0103ge\u021bilor<\/strong> pentru o \u00een\u0103l\u021bime de c\u0103dere constant\u0103.<\/li>\n<li data-start=\"2632\" data-end=\"2694\">Capete de s\u0103ge\u021bi \u0219i greut\u0103\u021bi reglabile pentru ambele <strong data-start=\"2675\" data-end=\"2693\">Metoda A \u0219i B<\/strong>.<\/li>\n<li data-start=\"2697\" data-end=\"2772\">Cu comand\u0103 pneumatic\u0103 <strong data-start=\"2722\" data-end=\"2741\">sistem de prindere<\/strong> pentru a reduce la minimum alunecarea probei.<\/li>\n<li data-start=\"2775\" data-end=\"2847\">Integrat <strong data-start=\"2786\" data-end=\"2813\">sistem de achizi\u021bie de date<\/strong> pentru calcularea automat\u0103 a rezultatelor.<\/li>\n<\/ul>\n<p data-start=\"2849\" data-end=\"2994\">FDT-01 le permite produc\u0103torilor \u0219i laboratoarelor s\u0103 <strong data-start=\"2902\" data-end=\"2924\">optimizarea test\u0103rii<\/strong>, <strong data-start=\"2926\" data-end=\"2948\">a reduce erorile umane<\/strong>, \u0219i s\u0103 ne asigur\u0103m c\u0103 rezultatele sunt \u00een conformitate cu standardele ISO.<\/p>\n<h2 data-start=\"3001\" data-end=\"3047\">Procedura de testare conform ISO 7765-1: pas cu pas<\/h2>\n<ol data-start=\"3049\" data-end=\"4111\">\n<li data-start=\"3049\" data-end=\"3235\">\n<p data-start=\"3052\" data-end=\"3235\"><strong data-start=\"3052\" data-end=\"3074\">Preg\u0103tirea probei<\/strong><br data-start=\"3074\" data-end=\"3077\" \/>Se decupeaz\u0103 cel pu\u021bin 30 de e\u0219antioane din folia de plastic, asigur\u00e2ndu-se o grosime uniform\u0103 (\u00b110% fa\u021b\u0103 de valoarea nominal\u0103). E\u0219antioanele nu trebuie s\u0103 prezinte cute, g\u0103uri mici sau pliuri.<\/p>\n<\/li>\n<li data-start=\"3237\" data-end=\"3384\">\n<p data-start=\"3240\" data-end=\"3384\"><strong data-start=\"3240\" data-end=\"3265\">M\u0103surarea grosimii<\/strong><br data-start=\"3265\" data-end=\"3268\" \/>M\u0103sura\u021bi grosimea fiec\u0103rui e\u0219antion folosind un micrometru (precizie de \u00b10,0025 mm), \u00een conformitate cu <strong data-start=\"3371\" data-end=\"3383\">ISO 4593<\/strong>.<\/p>\n<\/li>\n<li data-start=\"3386\" data-end=\"3640\">\n<p data-start=\"3389\" data-end=\"3415\"><strong data-start=\"3389\" data-end=\"3413\">Configurarea aparatului<\/strong><\/p>\n<ul data-start=\"3419\" data-end=\"3640\">\n<li data-start=\"3419\" data-end=\"3482\">Alege\u021bi metoda A sau B \u00een func\u021bie de rezisten\u021ba la impact preconizat\u0103.<\/li>\n<li data-start=\"3486\" data-end=\"3549\">Regla\u021bi \u00een\u0103l\u021bimea s\u0103ge\u021bii: 0,66 m pentru metoda A, 1,50 m pentru metoda B.<\/li>\n<li data-start=\"3553\" data-end=\"3640\">Fixa\u021bi folia folosind <strong data-start=\"3577\" data-end=\"3595\">cleme inelare<\/strong> cu garnituri de amortizare pentru a preveni alunecarea.<\/li>\n<\/ul>\n<\/li>\n<li data-start=\"3642\" data-end=\"3937\"><strong data-start=\"3645\" data-end=\"3682\">Efectua\u021bi testul metodei sc\u0103rii<\/strong>\n<ul data-start=\"3688\" data-end=\"3937\">\n<li data-start=\"3688\" data-end=\"3726\">\u00cencepe\u021bi cu o greutate estimativ\u0103 a s\u0103ge\u021bii.<\/li>\n<li data-start=\"3730\" data-end=\"3781\">Arunca\u021bi s\u0103geata \u0219i observa\u021bi dac\u0103 pelicula se rupe.<\/li>\n<li data-start=\"3785\" data-end=\"3860\">Regla\u021bi greutatea \u00een sus sau \u00een jos folosind pa\u0219i fixi, \u00een func\u021bie de rezultat.<\/li>\n<li data-start=\"3864\" data-end=\"3937\">Continua\u021bi p\u00e2n\u0103 c\u00e2nd cel pu\u021bin 20 de puncte de testare furnizeaz\u0103 date privind e\u0219ecul sau func\u021bionarea corect\u0103.<\/li>\n<\/ul>\n<\/li>\n<li data-start=\"3939\" data-end=\"4111\">\n<p data-start=\"3942\" data-end=\"4111\"><strong data-start=\"3942\" data-end=\"3979\">Calcula\u021bi masa de e\u0219ec la impact<\/strong><br data-start=\"3979\" data-end=\"3982\" \/>Folosi\u021bi formula statistic\u0103 a metodei sc\u0103rii pentru a determina <strong data-start=\"4049\" data-end=\"4072\">masa de e\u0219ec la impact<\/strong> (masa la care 50% de e\u0219antioane cedeaz\u0103).<\/p>\n<\/li>\n<\/ol>\n<h2 data-start=\"4118\" data-end=\"4153\">Factori care influen\u021beaz\u0103 precizia testului<\/h2>\n<ul>\n<li data-start=\"4157\" data-end=\"4262\"><strong data-start=\"4157\" data-end=\"4177\">Calitatea materialului<\/strong>: Grosimea uniform\u0103, absen\u021ba urmelor l\u0103sate de matri\u021b\u0103 \u0219i lipsa impurit\u0103\u021bilor asigur\u0103 fiabilitatea datelor.<\/li>\n<li data-start=\"4265\" data-end=\"4346\"><strong data-start=\"4265\" data-end=\"4286\">Presiunea de str\u00e2ngere<\/strong>: O presiune necorespunz\u0103toare poate provoca alunecarea, afect\u00e2nd rezultatele.<\/li>\n<li data-start=\"4349\" data-end=\"4442\"><strong data-start=\"4349\" data-end=\"4371\">Starea specimenului<\/strong>: Defectele de suprafa\u021b\u0103 sau grosimea neuniform\u0103 pot afecta rezisten\u021ba la impact.<\/li>\n<li data-start=\"4445\" data-end=\"4547\"><strong data-start=\"4445\" data-end=\"4469\">Reproductibilitatea pic\u0103turilor<\/strong>: Alinierea corect\u0103 \u0219i \u00een\u0103l\u021bimea de c\u0103dere sunt esen\u021biale pentru acurate\u021bea statistic\u0103.<\/li>\n<\/ul>\n<p data-start=\"4549\" data-end=\"4683\">Pentru a reduce la minimum erorile, <strong data-start=\"4569\" data-end=\"4615\">instrumente de \u00eenalt\u0103 precizie, precum FDT-01<\/strong> cu comenzi automate \u0219i func\u021bii de siguran\u021b\u0103 sunt foarte recomandate.<\/p>\n<h2 data-start=\"4690\" data-end=\"4733\">De ce s\u0103 alege\u021bi modelul FDT-01 de la Cell Instruments?<\/h2>\n<p data-start=\"4735\" data-end=\"4914\">The <strong data-start=\"4739\" data-end=\"4798\">Cell Instruments FDT-01 <span style=\"color: #75c32c;\"><a style=\"color: #75c32c;\" href=\"https:\/\/www.qualitester.com\/ro\/produs\/fdt-01-polypropylene-film-drop-dart-tester\/\" target=\"_blank\" rel=\"noopener\">Aparat de testare a impactului s\u0103ge\u021bilor \u00een c\u0103dere liber\u0103<\/a><\/span><\/strong> este conceput special pentru a \u00eendeplini cerin\u021bele stricte ale standardului ISO 7765-1. Designul s\u0103u automatizat \u0219i modular asigur\u0103:<\/p>\n<ul>\n<li data-start=\"4918\" data-end=\"4984\">Rezultate precise \u0219i reproductibile pentru ambele <strong data-start=\"4958\" data-end=\"4983\">Metoda A \u0219i Metoda B<\/strong>.<\/li>\n<li data-start=\"4987\" data-end=\"5072\">Testare eficient\u0103 pentru controlul calit\u0103\u021bii \u00een <strong data-start=\"5028\" data-end=\"5071\">ambalaje, folii \u0219i materiale medicale<\/strong>.<\/li>\n<li data-start=\"5075\" data-end=\"5183\">Integrare perfect\u0103 \u00een fluxurile de lucru din laborator datorit\u0103 <strong data-start=\"5124\" data-end=\"5151\">interfa\u021b\u0103 u\u0219or de utilizat<\/strong> \u0219i <strong data-start=\"5156\" data-end=\"5182\">raportarea datelor digitale<\/strong>.<\/li>\n<\/ul>\n<p data-start=\"5185\" data-end=\"5299\">Acest lucru \u00eel face s\u0103 fie un <strong data-start=\"5201\" data-end=\"5298\">o alegere de \u00eencredere pentru laboratoarele de cercetare \u0219i dezvoltare, departamentele de asigurare a calit\u0103\u021bii \u0219i agen\u021biile independente de testare<\/strong>.<\/p>\n<h2 data-start=\"5306\" data-end=\"5320\">Concluzie<\/h2>\n<p data-start=\"5322\" data-end=\"5798\"><a href=\"https:\/\/www.iso.org\/standard\/14629.html\" target=\"_blank\" rel=\"noopener nofollow\"><em data-start=\"5322\" data-end=\"5334\">ISO 7765-1<\/em><\/a> joac\u0103 un rol esen\u021bial \u00een evaluarea rezisten\u021bei la impact a foliilor din plastic printr-o metod\u0103 standardizat\u0103 <strong data-start=\"5427\" data-end=\"5447\">testul de rezisten\u021b\u0103 la impact cu s\u0103ge\u021bi<\/strong> folosind un <strong data-start=\"5456\" data-end=\"5491\">aparat de testare a impactului s\u0103ge\u021bilor \u00een c\u0103dere liber\u0103<\/strong>. Testarea precis\u0103 nu numai c\u0103 \u00eembun\u0103t\u0103\u021be\u0219te siguran\u021ba \u0219i performan\u021ba produsului, ci asigur\u0103 \u0219i respectarea standardelor interna\u021bionale de calitate. Pentru o testare precis\u0103 \u0219i eficient\u0103, profesioni\u0219tii ar trebui s\u0103 se bazeze pe instrumente precum <strong data-start=\"5711\" data-end=\"5738\">Cell Instruments FDT-01<\/strong>, care ofer\u0103 cu u\u0219urin\u021b\u0103 rezultate repetabile \u0219i conforme.<\/p>\n<h2 data-start=\"5805\" data-end=\"5813\">\u00centreb\u0103ri frecvente<\/h2>\n<p data-start=\"5815\" data-end=\"5993\"><strong data-start=\"5815\" data-end=\"5858\">1. Care este obiectivul principal al standardului ISO 7765-1?<\/strong><br data-start=\"5858\" data-end=\"5861\" \/>Scopul este de a determina energia necesar\u0103 pentru a provoca ruperea probelor de folie de plastic 50% \u00een condi\u021bii standardizate de impact.<\/p>\n<p data-start=\"5995\" data-end=\"6202\"><strong data-start=\"5995\" data-end=\"6057\">2. Care sunt diferen\u021bele dintre metoda A \u0219i metoda B?<\/strong><br data-start=\"6057\" data-end=\"6060\" \/>Metoda A utilizeaz\u0103 o s\u0103geat\u0103 de 38 mm aruncat\u0103 de la o \u00een\u0103l\u021bime de 0,66 m; metoda B utilizeaz\u0103 o s\u0103geat\u0103 de 50 mm aruncat\u0103 de la o \u00een\u0103l\u021bime de 1,50 m. Metoda B este potrivit\u0103 pentru intervale de impact mai mari.<\/p>\n<p data-start=\"6204\" data-end=\"6409\"><strong data-start=\"6204\" data-end=\"6271\">3. De ce este important\u0103 rezisten\u021ba la impact a materialului Dart pentru foliile de ambalaj?<\/strong><br data-start=\"6271\" data-end=\"6274\" \/>Acesta indic\u0103 capacitatea unui film de a rezista la \u0219ocuri mecanice \u00een timpul manipul\u0103rii, transportului \u0219i depozit\u0103rii, asigur\u00e2nd protec\u021bia produsului.<\/p>\n<p data-start=\"6411\" data-end=\"6601\"><strong data-start=\"6411\" data-end=\"6483\">4. Se pot compara rezultatele testului de impact cu s\u0103geata ob\u021binute prin metodele A \u0219i B?<\/strong><br data-start=\"6483\" data-end=\"6486\" \/>Nu. Rezultatele ob\u021binute prin metodele A \u0219i B nu pot fi comparate direct din cauza diferen\u021belor privind dimensiunea s\u0103ge\u021bii, masa \u0219i \u00een\u0103l\u021bimea de c\u0103dere.<\/p>","protected":false},"excerpt":{"rendered":"<p>ISO 776&#8211;1 Dart Impact Test Introduction In the packaging and plastic film industry, impact resistance is a critical performance parameter. ISO 7765-1 defines a standardized test method for evaluating the impact failure energy of plastic film and sheet materials using a free falling dart impact tester. Understanding ISO 7765-1 and Its Purpose ISO 7765-1 is &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/www.qualitester.com\/ro\/standards\/iso-7765-1\/\"> <span class=\"screen-reader-text\">ISO 7765-1<\/span> Cite\u0219te mai mult \"<\/a><\/p>","protected":false},"author":4,"featured_media":0,"parent":4948,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-global-header-display":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","footnotes":""},"class_list":["post-6695","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.qualitester.com\/ro\/wp-json\/wp\/v2\/pages\/6695","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.qualitester.com\/ro\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.qualitester.com\/ro\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.qualitester.com\/ro\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.qualitester.com\/ro\/wp-json\/wp\/v2\/comments?post=6695"}],"version-history":[{"count":0,"href":"https:\/\/www.qualitester.com\/ro\/wp-json\/wp\/v2\/pages\/6695\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/www.qualitester.com\/ro\/wp-json\/wp\/v2\/pages\/4948"}],"wp:attachment":[{"href":"https:\/\/www.qualitester.com\/ro\/wp-json\/wp\/v2\/media?parent=6695"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}