{"id":1693,"date":"2015-06-02T14:01:14","date_gmt":"2015-06-02T11:01:14","guid":{"rendered":"http:\/\/emtools.ro\/blog\/?p=1693"},"modified":"2022-01-31T12:31:02","modified_gmt":"2022-01-31T10:31:02","slug":"operatii-de-presare-la-rece-generalitati","status":"publish","type":"post","link":"http:\/\/emtools.ro\/blog\/operatii-de-presare-la-rece-generalitati\/","title":{"rendered":"Operatii de presare la rece &#8211; generalitati"},"content":{"rendered":"<p style=\"text-align: justify;\">Operatii de presare la rece &#8211; se executa la o temperatura inferioara temperaturii de recristalizare a metalului sau aliajului, prin taiere si deformare plastica. Exista 2 tipuri de operatii de presare la rece: operatii de stantare ce se practica laminatelor subtiri prin taiere si deformare plastica si operatii de matritare aplicate pieselor masive prin deformare plastica.<\/p>\n<p style=\"text-align: justify;\">Operatii ce se executa prin presare la rece:<\/p>\n<ul>\n<li style=\"text-align: justify;\">taiere &#8211; taierea dupa un contur deschis cu ajutorul a doua taisuri asociate, pentru debitarea materialului<\/li>\n<li style=\"text-align: justify;\">retezare &#8211; taierea dupa un contur deschis in directia transversala a lungimii<\/li>\n<li style=\"text-align: justify;\">decupare &#8211; taierea dupa un contur inchis pentru separarea completa a piesei<\/li>\n<li style=\"text-align: justify;\">crestare &#8211; taierea dupa un contur deschis pentru separarea incompleta a unei parti de material<\/li>\n<li style=\"text-align: justify;\">perforare &#8211; taierea dupa un contur inchis pentru separarea completa a unei parti din material numit deseu<\/li>\n<li style=\"text-align: justify;\">calibrare prin taiere (retezare) &#8211; taierea plusului de material de la conturul pieselor<\/li>\n<li style=\"text-align: justify;\">tundere (taiere margini) &#8211; taierea plusului de material pentru realizarea inaltimii pieselor ambutisate<\/li>\n<li style=\"text-align: justify;\">curbare &#8211; indoirea tablelor si benzilor pentru a le da o forma cilindrica sau conica<\/li>\n<li style=\"text-align: justify;\">roluire &#8211; indoirea circulara a marginilor unui semifabricat<\/li>\n<li style=\"text-align: justify;\">indoire &#8211; operatia tehnologica de modificare a formei si dimensiunilor semifabricatelor, fara indepartare de material<\/li>\n<li style=\"text-align: justify;\">ambutisare &#8211; modificarea formei unui semifabricat plan intr-o piesa cava sau marirea adancimii unui semifabricat cav<\/li>\n<li style=\"text-align: justify;\">rasfrangere &#8211; deformarea pentru reliefarea unui semifabricat in vederea formarii unui guler, a unei flanse sau pentru marirea rigiditatii<\/li>\n<li style=\"text-align: justify;\">reliefare &#8211; deformarea pentru executarea unui relief de mica adancime in vederea obtinerii unei inscriptii, unui desen sau pentru marirea rigiditatii<\/li>\n<li style=\"text-align: justify;\">faltuire (cu sau fara banda de adaos) &#8211; asamblarea a doua table prin indoiri paralele cu muchia, cu sau fara banda de adaos<\/li>\n<li style=\"text-align: justify;\">agrafare (asamblare doua piese prin indoirea uneia dintre piese sau prin crestarea simultana a pieselor) &#8211; asamblarea a doua piese prin indoirea uneia dintre piese sau prin crestarea simultana a pieselor<\/li>\n<li style=\"text-align: justify;\">capsarea &#8211; asamblarea a doua sau mai multe piese prin deformarea unor capse, sau a gulerului uneia dintre ele, care strabat gaurile execute in celelalte piese.<\/li>\n<\/ul>\n<p>Pentru mai multe informatii va recomandam acest <a href=\"https:\/\/ro.scribd.com\/doc\/36417916\/Tehnologia-Prelucrarii-La-Rece\" target=\"_blank\" rel=\"noopener\">document<\/a>.<\/p>\n<hr \/>\n<p style=\"text-align: justify;\">Magazinul online EMT ofera diferite modele de <strong><a href=\"https:\/\/www.ebernardo.ro\/masini-de-roluit-profile\" target=\"_blank\" rel=\"noopener\">masini de roluit<\/a><\/strong>.\u00a0Click pentru mai multe detalii despre produse, preturi, accesorii.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Operatii de presare la rece &#8211; se executa la o temperatura inferioara temperaturii de recristalizare a metalului sau aliajului, prin taiere si deformare plastica. Exista 2 tipuri de operatii de presare la rece: operatii de stantare ce se practica laminatelor subtiri prin taiere si deformare plastica si operatii de matritare aplicate pieselor masive prin deformare [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[87],"tags":[507,508],"class_list":["post-1693","post","type-post","status-publish","format-standard","hentry","category-utilaje-si-echipamente-profesionale","tag-operatii-de-presare-la-rece","tag-presare-la-rece"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Operatii de presare la rece - generalitati - blog emtools.ro<\/title>\n<meta name=\"description\" content=\"Operatii de presare la rece - generalitati. 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