{"id":1399,"date":"2023-08-11T03:57:01","date_gmt":"2023-08-11T03:57:01","guid":{"rendered":"https:\/\/prototekparts.com\/?p=1399"},"modified":"2024-01-25T07:17:14","modified_gmt":"2024-01-25T07:17:14","slug":"advantages-of-cold-extrusion-process","status":"publish","type":"post","link":"https:\/\/prototekparts.com\/fr\/avantages-du-procede-dextrusion-a-froid\/","title":{"rendered":"Avantages du proc\u00e9d\u00e9 d'extrusion \u00e0 froid"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"1399\" class=\"elementor elementor-1399\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-4526133f elementor-section-height-min-height elementor-section-content-middle elementor-section-boxed elementor-section-height-default elementor-section-items-middle wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no\" data-id=\"4526133f\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t\t<div class=\"elementor-background-overlay\"><\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-42580a73\" data-id=\"42580a73\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-75a3fa5e elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"75a3fa5e\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">D\u00e9tails du blog<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-5bde5f9d elementor-section-boxed elementor-section-height-default elementor-section-height-default wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no\" data-id=\"5bde5f9d\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-66 elementor-top-column elementor-element elementor-element-463f3a10\" data-id=\"463f3a10\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-648d3918 elementor-widget elementor-widget-image\" data-id=\"648d3918\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/prototekparts.com\/wp-content\/uploads\/elementor\/thumbs\/Cold-Extrusion-11-qa23zzstaotr02dw9lrmckziilk4lj4d49f3v0d2tk.jpg\" title=\"Extrusion \u00e0 froid-11\" alt=\"Extrusion \u00e0 froid-11\" loading=\"lazy\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-499c5844 elementor-invisible elementor-widget elementor-widget-post-info\" data-id=\"499c5844\" data-element_type=\"widget\" data-settings=\"{&quot;_animation_tablet&quot;:&quot;fadeInUp&quot;,&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"post-info.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<ul class=\"elementor-inline-items elementor-icon-list-items elementor-post-info\">\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-repeater-item-63bb4ef elementor-inline-item\" itemprop=\"author\">\n\t\t\t\t\t\t<a href=\"https:\/\/prototekparts.com\/fr\/author\/suey\/\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"jki jki-user-light\"><\/i>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text elementor-post-info__item elementor-post-info__item--type-author\">\n\t\t\t\t\t\t\t\t\t\tSuey\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t<\/li>\n\t\t\t\t<li class=\"elementor-icon-list-item elementor-repeater-item-c6ed1e9 elementor-inline-item\" itemprop=\"datePublished\">\n\t\t\t\t\t\t<a href=\"https:\/\/prototekparts.com\/fr\/2023\/08\/11\/\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-calendar\"><\/i>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text elementor-post-info__item elementor-post-info__item--type-date\">\n\t\t\t\t\t\t\t\t\t\t<time>11 ao\u00fbt 2023<\/time>\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t<\/li>\n\t\t\t\t<\/ul>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3f274f34 elementor-invisible elementor-widget elementor-widget-theme-post-title elementor-page-title elementor-widget-heading\" data-id=\"3f274f34\" data-element_type=\"widget\" data-settings=\"{&quot;_animation_tablet&quot;:&quot;fadeInUp&quot;,&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"theme-post-title.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Avantages du proc\u00e9d\u00e9 d'extrusion \u00e0 froid<\/h1>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5fc8acc5 elementor-widget elementor-widget-text-editor\" data-id=\"5fc8acc5\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>L'extrusion \u00e0 froid consiste \u00e0 placer l'\u00e9bauche m\u00e9tallique dans la cavit\u00e9 d'extrusion \u00e0 froid, \u00e0 temp\u00e9rature ambiante, \u00e0 travers le poin\u00e7on fixe de la presse pour appliquer une pression \u00e0 l'\u00e9bauche, de sorte que l'\u00e9bauche m\u00e9tallique produise une d\u00e9formation plastique et une m\u00e9thode de traitement des pi\u00e8ces.<\/p>\n<p>La Chine a r\u00e9ussi \u00e0 extruder le plomb \u00e0 froid,<strong><b> l'\u00e9tain, l'aluminium, le cuivre, le zinc et leurs alliages, l'acier \u00e0 faible teneur en carbone, l'acier \u00e0 teneur moyenne en carbone, l'acier \u00e0 outils, l'acier faiblement alli\u00e9 et l'acier inoxydable, et m\u00eame l'acier \u00e0 roulements, l'acier \u00e0 outils \u00e0 haute teneur en carbone et fortement alli\u00e9 \u00e0 l'aluminium, l'acier \u00e0 grande vitesse et d'autres m\u00e9taux<\/b><\/strong> En ce qui concerne l'\u00e9quipement d'extrusion, notre pays a la capacit\u00e9 de concevoir et de fabriquer des presses \u00e0 extrusion.&nbsp;<\/p>\n<p>Outre la presse m\u00e9canique g\u00e9n\u00e9rale, la presse hydraulique, la presse d'extrusion \u00e0 froid, la presse \u00e0 friction et les \u00e9quipements \u00e0 haute vitesse et \u00e0 haute \u00e9nergie ont \u00e9t\u00e9 utilis\u00e9s avec succ\u00e8s pour la production d'extrusion dure.<\/p>\n<h2><strong><b>D\u00e9finir<\/b><\/strong><\/h2>\n<p>L'extrusion est un processus qui force les plaquettes d'or \u00e0 produire des <strong><b>flux de plastique<\/b><\/strong> Si l'\u00e9bauche est extrud\u00e9e sans chaleur, on parle d'extrusion \u00e0 froid. L'extrusion \u00e0 froid est l'une des technologies de traitement des pi\u00e8ces sans copeaux et avec moins de copeaux, c'est donc une technologie avanc\u00e9e dans le traitement plastique des puces d'or. Si l'\u00e9bauche est press\u00e9e en la chauffant \u00e0 une temp\u00e9rature inf\u00e9rieure \u00e0 la temp\u00e9rature de recristallisation, on parle d'extrusion \u00e0 chaud. L'extrusion \u00e0 chaud pr\u00e9sente toujours l'avantage de r\u00e9duire le nombre de copeaux.<\/p>\n<h2><strong><b>Avantages<\/b><\/strong><\/h2>\n<ol>\n<li><strong><b>Dimensionnement pr\u00e9cis<\/b><\/strong><\/li>\n<\/ol>\n<p>La pr\u00e9cision dimensionnelle g\u00e9n\u00e9rale des pi\u00e8ces extrud\u00e9es \u00e0 froid d\u00e9velopp\u00e9es dans notre pays est de l'ordre de 8 \u00e0 9 degr\u00e9s. Si une lubrification id\u00e9ale est utilis\u00e9e, elle n'est surpass\u00e9e que par la surface de polissage fin. Par cons\u00e9quent, les pi\u00e8ces fabriqu\u00e9es par la m\u00e9thode d'extrusion \u00e0 froid n'ont g\u00e9n\u00e9ralement pas besoin d'\u00eatre retravaill\u00e9es, et un petit nombre d'entre elles n'ont besoin que d'\u00eatre finies (rectification). \u00c9conomisez les mat\u00e9riaux.<\/p>\n<ol start=\"2\">\n<li><strong><b>\u00c9conomiser des mat\u00e9riaux<\/b><\/strong><\/li>\n<\/ol>\n<p>Le taux d'utilisation des mat\u00e9riaux extrud\u00e9s \u00e0 froid peut g\u00e9n\u00e9ralement atteindre plus de 80%. Par exemple, le taux d'utilisation du mat\u00e9riau de coupe dynamique de l'axe de piston automobile de la marque Jiefang est de 43,3%, et avec l'extrusion \u00e0 froid, le taux d'utilisation du mat\u00e9riau est pass\u00e9 \u00e0 92% ; par exemple, apr\u00e8s le passage \u00e0 l'extrusion \u00e0 froid de la douille de roulement du joint universel, le taux d'utilisation du mat\u00e9riau est pass\u00e9 de 27,8% \u00e0 64%. On peut constater que la m\u00e9thode d'extrusion \u00e0 froid permet d'\u00e9conomiser beaucoup d'acier et de m\u00e9taux non ferreux dans la production de pi\u00e8ces de machines.<\/p>\n<ol start=\"3\">\n<li><strong><b>Efficacit\u00e9 \u00e9lev\u00e9e de la production<\/b><\/strong><\/li>\n<\/ol>\n<p>L'efficacit\u00e9 de la production de pi\u00e8ces m\u00e9caniques par extrusion \u00e0 froid est tr\u00e8s \u00e9lev\u00e9e, en particulier pour la production de pi\u00e8ces en grandes s\u00e9ries. La production par extrusion \u00e0 froid est plusieurs fois, des dizaines de fois, voire des centaines de fois sup\u00e9rieure \u00e0 celle de la d\u00e9coupe. Par exemple, les axes de piston extrud\u00e9s \u00e0 froid pour les automobiles sont 3,2 fois plus productifs que les axes usin\u00e9s, et les automates d'axes de piston extrud\u00e9s \u00e0 froid sont maintenant utilis\u00e9s pour augmenter encore la productivit\u00e9. La productivit\u00e9 d'un automate d'extrusion \u00e0 froid \u00e9quivaut \u00e0 celle de 100 tours ordinaires ou de 10 tours automatiques \u00e0 quatre broches.<\/p>\n<ol start=\"4\">\n<li><strong><b>Large application<\/b><\/strong><\/li>\n<\/ol>\n<p>Ces pi\u00e8ces sont difficiles \u00e0 r\u00e9aliser par d'autres m\u00e9thodes de traitement, mais il est tr\u00e8s pratique de les traiter par extrusion \u00e0 froid.<\/p>\n<ol start=\"5\">\n<li><strong><b>Haute r\u00e9sistance<\/b><\/strong><\/li>\n<\/ol>\n<p>L'extrusion \u00e0 froid adopte la caract\u00e9ristique de renforcement par d\u00e9formation \u00e0 froid des mat\u00e9riaux m\u00e9talliques, c'est-\u00e0-dire que l'\u00e9bauche m\u00e9tallique est soumise \u00e0 une contrainte de compression tridirectionnelle pendant le processus d'extrusion, et que le mat\u00e9riau est compact et pr\u00e9sente une direction de flux de fibres continue apr\u00e8s la d\u00e9formation, de sorte que la r\u00e9sistance des pi\u00e8ces est grandement am\u00e9lior\u00e9e. De cette mani\u00e8re, les mat\u00e9riaux \u00e0 faible r\u00e9sistance peuvent \u00eatre utilis\u00e9s \u00e0 la place des mat\u00e9riaux \u00e0 haute r\u00e9sistance. Par exemple, dans le pass\u00e9, l'acier 20Cr \u00e9tait utilis\u00e9 pour fabriquer des axes de piston de marque de lib\u00e9ration par d\u00e9coupage. Aujourd'hui, l'acier 20 est utilis\u00e9 pour fabriquer des axes de piston par extrusion \u00e0 froid. Apr\u00e8s le test de performance, la m\u00e9thode d'extrusion \u00e0 froid est plus efficace que la m\u00e9thode de d\u00e9coupe pour fabriquer des axes de piston.<\/p>\n<p>Si vous avez des besoins en mati\u00e8re d'extrusion \u00e0 froid, n'h\u00e9sitez pas \u00e0 contacter Prototek,<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-12e63a6 elementor-section-content-middle elementor-section-boxed elementor-section-height-default elementor-section-height-default wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no elementor-invisible\" data-id=\"12e63a6\" data-element_type=\"section\" data-settings=\"{&quot;animation_tablet&quot;:&quot;fadeInUp&quot;,&quot;animation&quot;:&quot;fadeInUp&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-5bc2d835\" data-id=\"5bc2d835\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-56c8abd4 elementor-widget__width-auto elementor-widget-mobile__width-inherit elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"56c8abd4\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Tags :    <\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2a19fd5c elementor-widget__width-auto elementor-invisible elementor-widget elementor-widget-post-info\" data-id=\"2a19fd5c\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"post-info.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<ul class=\"elementor-inline-items elementor-icon-list-items elementor-post-info\">\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-repeater-item-bf2a931 elementor-inline-item\">\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"far fa-tags\"><\/i>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text elementor-post-info__item elementor-post-info__item--type-custom\">\n\t\t\t\t\t\t\t\t\t\textrusion \u00e0 froid\uff0c impact \u00e0 froid\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t<\/ul>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-74bd8cd1\" data-id=\"74bd8cd1\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1a48fbec elementor-widget__width-auto elementor-widget-mobile__width-inherit elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"1a48fbec\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">R\u00e9seau social :<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-732b6f3f elementor-share-buttons--view-icon elementor-share-buttons--skin-flat elementor-share-buttons--shape-circle elementor-share-buttons--align-left elementor-share-buttons--color-custom elementor-widget__width-auto elementor-widget-mobile__width-inherit elementor-grid-0 elementor-widget elementor-widget-share-buttons\" data-id=\"732b6f3f\" data-element_type=\"widget\" data-widget_type=\"share-buttons.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-grid\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-grid-item\">\n\t\t\t\t\t\t<div\n\t\t\t\t\t\t\tclass=\"elementor-share-btn elementor-share-btn_facebook\"\n\t\t\t\t\t\t\trole=\"button\"\n\t\t\t\t\t\t\ttabindex=\"0\"\n\t\t\t\t\t\t\taria-label=\"Share on facebook\"\n\t\t\t\t\t\t>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-share-btn__icon\">\n\t\t\t\t\t\t\t\t<i class=\"fab fa-facebook\" aria-hidden=\"true\"><\/i>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-grid-item\">\n\t\t\t\t\t\t<div\n\t\t\t\t\t\t\tclass=\"elementor-share-btn elementor-share-btn_linkedin\"\n\t\t\t\t\t\t\trole=\"button\"\n\t\t\t\t\t\t\ttabindex=\"0\"\n\t\t\t\t\t\t\taria-label=\"Share on linkedin\"\n\t\t\t\t\t\t>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span 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class=\"elementor-button-text\">CONTACTEZ-NOUS<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Blog Details Cold extrusion is to put the metal blank in the cold extrusion cavity, at room temperature, through the press fixed punch to apply pressure to the blank, so that the metal blank to produce plastic deformation and parts processing method. China has been able to cold extrusion of lead, tin, aluminum, copper, zinc and their alloys, low carbon steel, medium carbon steel, tool steel, low alloy steel, and stainless steel, and even bearing steel, high carbon and high aluminum alloy tool steel, high-speed steel, and other metals can be cold extrusion of a certain amount of deformation.In extrusion equipment, our country has the ability to design and manufacture extrusion presses.&nbsp; In addition to the general mechanical press, hydraulic press, cold extrusion press, friction press,, and high-speed high-energy equipment have been successfully used for hard extrusion production. Define Extrusion is a process that forces the gold chips to produce plastic flow through the gap between the punch and the die or the die outlet to make the hollow parts or the parts whose section is smaller than the blank section.If the blank is extruded without heat, it is called cold extrusion.Cold extrusion is one of the processing technology of no chip and less chip parts, so it is an advanced technology in the plastic processing of gold chips. If the blank is pressed by heating it to a temperature below the recrystallization temperature, it is called warm extrusion. Warm extrusion still has the advantage of fewer chips. Advantages Accurate sizing The general dimension accuracy of cold extruded parts developed in our country is up to 8 ~ 9 grades. If ideal lubrication is used, it is second only to the fine polishing surface. Therefore, parts manufactured by the cold extrusion method generally do not need to be reworked, and a small number only need to be finished (grinding). Save materials. Save materials The utilization rate of cold extruded materials can usually reach more than 80%. Such as the Jiefang brand automobile piston pin dynamic cutting material utilization rate of 43.3%, and with cold extrusion material utilization rate increased to 92%; For example, after the universal joint bearing sleeve is changed to cold extrusion, the material utilization rate is increased from 27.8% to 64%. It can be seen that the cold extrusion method can save a lot of steel and non-ferrous metal materials in the production of machine parts High production efficiency The efficiency of producing mechanical parts by cold extrusion is very high, especially in the production of large batch parts. The production by cold extrusion is several times, dozens of times, or even hundreds of times as compared with cutting. For example, cold-extruded piston pins for automobiles are 3.2 times more productive than machined ones, and cold-extruded piston pin automatons are now used to further increase productivity. The productivity of one cold extrusion automaton is equivalent to that of 100 regular lathes or 10 four-spindle automatic lathes. Wide application Such as special-shaped sections, internal teeth, special-shaped holes, and blind holes, These parts are difficult to complete by other processing methods, but it is very convenient to process with cold extrusion. High strength Because the cold extrusion adopts the cold deformation strengthening characteristic of metal materials, that is, the metal blank is in the state of three-way compressive stress during the extrusion process, and the material is compact and has continuous fiber flow direction after deformation, so the strength of the parts is greatly improved. In this way, low-strength materials can be used instead of high-strength materials. For example, in the past, 20Cr steel was used to manufacture liberation brand piston pins by cutting. Now, 20 steel is used to manufacture piston pins by cold extrusion. After the performance test, the cold extrusion method is higher than the cutting method to manufacture piston pins. If&nbsp; you have any needs for cold extrusion, ple feel free to contact Prototek, Tags: Social Network: Recently Posts Online Help! +(86) 0791-86372550 WANT TO DISCUSS IN DETAIL Contact Our Consultant Now CONTACT NOW<\/p>","protected":false},"author":1,"featured_media":781,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1399","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Advantages Of Cold Extrusion Process - Prototek Parts<\/title>\n<meta name=\"description\" content=\"Advantages Of Cold Extrusion Process\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/prototekparts.com\/fr\/avantages-du-procede-dextrusion-a-froid\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Advantages Of Cold Extrusion Process - 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