{"id":108023,"date":"2024-03-19T14:50:16","date_gmt":"2024-03-19T13:50:16","guid":{"rendered":"https:\/\/step-lab.com\/?page_id=108023"},"modified":"2026-07-22T15:12:12","modified_gmt":"2026-07-22T13:12:12","slug":"essais-mecaniques-ressorts","status":"publish","type":"page","link":"https:\/\/step-lab.com\/fr\/essais-mecaniques-ressorts\/","title":{"rendered":"Ressorts"},"content":{"rendered":"\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lzl3yu1o-08acfca6b7b286397941f815cb103112\">\n.avia-section.av-lzl3yu1o-08acfca6b7b286397941f815cb103112{\nbackground-color:#f7f7f7;\nbackground-image:unset;\n}\n<\/style>\n<div id='av_section_1'  class='avia-section av-lzl3yu1o-08acfca6b7b286397941f815cb103112 main_color avia-section-default avia-no-border-styling  avia-builder-el-0  el_before_av_heading  avia-builder-el-first  avia-bg-style-scroll container_wrap fullsize'  ><div class='container av-section-cont-open' ><main  role=\"main\" itemprop=\"mainContentOfPage\"  class='template-page content  av-content-full alpha units'><div class='post-entry post-entry-type-page post-entry-108023'><div class='entry-content-wrapper clearfix'>\n<div class='av-column-wrapper-individual av-mobile-columns-flex av-columns-reverse'>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-kwlylk95-f963f748633384d2ce91f5becc5eb64c\">\n.flex_column.av-kwlylk95-f963f748633384d2ce91f5becc5eb64c{\nwidth:49%;\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-kwlylk95-f963f748633384d2ce91f5becc5eb64c av_one_half  avia-builder-el-1  el_before_av_one_half  avia-builder-el-first  first flex_column_div av-zero-column-padding  '     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-eudcor0-cfaefd41c4dd6054ef2f49c2909cf223\">\n#top .hr.hr-invisible.av-eudcor0-cfaefd41c4dd6054ef2f49c2909cf223{\nheight:50px;\n}\n<\/style>\n<div  class='hr av-eudcor0-cfaefd41c4dd6054ef2f49c2909cf223 hr-invisible  avia-builder-el-2  el_before_av_textblock  avia-builder-el-first '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n<section  class='av_textblock_section av-kwlyomsb-b0fc9be335e83cc71cb0792a50e4cf2f '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h1 style=\"text-align: left;\"><span style=\"color: #cf3339;\">Essais sur les ressorts<\/span><\/h1>\n<h2 style=\"text-align: left;\"><span style=\"color: #cf3339;\">Machine d&rsquo;essai des ressorts<\/span><\/h2>\n<p style=\"text-align: center;\">\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-l0hyowiz-453cde9b84ba944622f72f508c3d3bf4\">\n#top .av_textblock_section.av-l0hyowiz-453cde9b84ba944622f72f508c3d3bf4 .avia_textblock{\nfont-size:15px;\n}\n<\/style>\n<section  class='av_textblock_section av-l0hyowiz-453cde9b84ba944622f72f508c3d3bf4 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\" data-sourcepos=\"22:1-22:479;637-1115\">Les ressorts emmagasinent et lib\u00e8rent de l&rsquo;\u00e9nergie m\u00e9canique, absorbent les chocs, contr\u00f4lent les forces et maintiennent les pr\u00e9charges dans une multitude de syst\u00e8mes m\u00e9caniques et \u00e9lectrom\u00e9caniques : des suspensions de v\u00e9hicules aux dispositifs m\u00e9dicaux, en passant par les machines industrielles et les appareils \u00e9lectrom\u00e9nagers. Comme leur fonctionnement d\u00e9pend de la r\u00e9p\u00e9tabilit\u00e9 de leur comportement \u00e9lastique, m\u00eame de l\u00e9g\u00e8res variations de g\u00e9om\u00e9trie ou de mat\u00e9riau peuvent alt\u00e9rer leur courbe force-d\u00e9placement et r\u00e9duire leur dur\u00e9e de vie. <\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\" data-sourcepos=\"24:1-24:383;1117-1499\">Les<strong> essais sur les ressorts<\/strong> sont n\u00e9cessaires pour \u00e9valuer leurs performances qualitatives et garantir qu&rsquo;ils r\u00e9pondent aux sp\u00e9cifications de conception avant leur mise en production ou leur mise en service. STEP Lab con\u00e7oit et fabrique des machines \u00e9lectriques destin\u00e9es aux essais de caract\u00e9risation, de compression et de fatigue sur les ressorts h\u00e9lico\u00efdaux, les ressorts \u00e0 coupelle et d&rsquo;autres types de ressorts utilis\u00e9s dans les secteurs de l&rsquo;automobile, du sport automobile, de l&rsquo;industrie et de la recherche. <\/p>\n<\/div><\/section><br \/>\n<div  class='avia-button-wrap av-l42dc346-cfea0b17a2055f8f244f471966a1242d-wrap avia-button-left  avia-builder-el-5  el_after_av_textblock  avia-builder-el-last '><a href='https:\/\/step-lab.com\/wp-content\/uploads\/2023\/03\/CatalogoMacchine_steplab-web.pdf'  class='avia-button av-l42dc346-cfea0b17a2055f8f244f471966a1242d av-link-btn avia-icon_select-yes-left-icon avia-size-small avia-position-left avia-color-theme-color'  target=\"_blank\"  rel=\"noopener noreferrer\"  aria-label=\"Brochure\"><span class='avia_button_icon avia_button_icon_left avia-iconfont avia-font-entypo-fontello' data-av_icon='\ue84e' data-av_iconfont='entypo-fontello' ><\/span><span class='avia_iconbox_title' >Brochure<\/span><\/a><\/div><\/p><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-re5nd8-b7815e733029710632672d49c187107b\">\n.flex_column.av-re5nd8-b7815e733029710632672d49c187107b{\nwidth:49%;\nmargin-left:2%;\n}\n<\/style>\n<div  class='flex_column av-re5nd8-b7815e733029710632672d49c187107b av_one_half  avia-builder-el-6  el_after_av_one_half  avia-builder-el-last  flex_column_div  '     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-1kumy30-22f0964e424898c82e468543ab887d13\">\n#top .hr.hr-invisible.av-1kumy30-22f0964e424898c82e468543ab887d13{\nheight:15px;\n}\n<\/style>\n<div  class='hr av-1kumy30-22f0964e424898c82e468543ab887d13 hr-invisible  avia-builder-el-7  el_before_av_image  avia-builder-el-first '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-1c0agx8-c90366c661b509531744514ee5445fe1\">\n.avia-image-container.av-1c0agx8-c90366c661b509531744514ee5445fe1 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-1c0agx8-c90366c661b509531744514ee5445fe1 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-1c0agx8-c90366c661b509531744514ee5445fe1 av-styling- avia-align-center  avia-builder-el-8  el_after_av_hr  avia-builder-el-last '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-66164 avia-img-lazy-loading-not-66164 avia_image ' src=\"https:\/\/step-lab.com\/wp-content\/uploads\/Molle.303-2457x1030.png\" alt='Caratterizzazione molle' title='Electromechanical actuators'  height=\"432\" width=\"1030\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/step-lab.com\/wp-content\/uploads\/Molle.303-2457x1030.png 2457w, https:\/\/step-lab.com\/wp-content\/uploads\/Molle.303-300x126.png 300w, https:\/\/step-lab.com\/wp-content\/uploads\/Molle.303-768x322.png 768w, https:\/\/step-lab.com\/wp-content\/uploads\/Molle.303-1536x644.png 1536w, https:\/\/step-lab.com\/wp-content\/uploads\/Molle.303-2048x859.png 2048w, https:\/\/step-lab.com\/wp-content\/uploads\/Molle.303-1500x629.png 1500w, https:\/\/step-lab.com\/wp-content\/uploads\/Molle.303-705x296.png 705w, https:\/\/step-lab.com\/wp-content\/uploads\/Molle.303-600x252.png 600w\" sizes=\"(max-width: 1030px) 100vw, 1030px\" \/><\/div><\/div><\/div><\/p><\/div><\/div><!--close flex column wrapper. Autoclose: 1 -->\n<\/div><\/div><\/main><!-- close content main element --><\/div><\/div><div id='after_section_1'  class='main_color av_default_container_wrap container_wrap fullsize'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-full alpha units'><div class='post-entry post-entry-type-page post-entry-108023'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lst0x33s-cd4ac37ef6c564c4febb3063bfef2dfb\">\n#top .av-special-heading.av-lst0x33s-cd4ac37ef6c564c4febb3063bfef2dfb{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-lst0x33s-cd4ac37ef6c564c4febb3063bfef2dfb .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-lst0x33s-cd4ac37ef6c564c4febb3063bfef2dfb .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-lst0x33s-cd4ac37ef6c564c4febb3063bfef2dfb av-special-heading-h2 blockquote elegant-quote elegant-centered  avia-builder-el-9  el_after_av_section  el_before_av_layout_row  avia-builder-el-no-sibling '><h2 class='av-special-heading-tag '  itemprop=\"headline\"  ><span class=\"heading-wrap\">ESSAIS SUR LES RESSORTS : QUELS ESSAIS SONT EFFECTU\u00c9S ?<\/span><\/h2><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div>\n<\/div><\/div><\/div><!-- close content main div --><\/div><\/div><div id='av-layout-grid-1'  class='av-layout-grid-container av-ejrptzg-3314b96506f45ef17512938bbdbeabc3 entry-content-wrapper main_color av-flex-cells  avia-builder-el-10  el_after_av_heading  el_before_av_heading  grid-row-not-first  container_wrap fullsize'  >\n<div class='flex_cell av-duauado-e2dc644729c51f5d67e2a1a90bd5ac2a av-gridrow-cell av_two_fifth no_margin  avia-builder-el-11  el_before_av_cell_three_fifth  avia-builder-el-first '  ><div class='flex_cell_inner'><p><div  class='flex_column av-dhclqjw-95b00d188426177630238103a40a0cfa av_one_third  avia-builder-el-12  el_before_av_three_fifth  avia-builder-el-first  first flex_column_div  '     ><\/div><div  class='flex_column av-cz8uimk-39dbc8e8c8b342428632cf76e491a015 av_three_fifth  avia-builder-el-13  el_after_av_one_third  avia-builder-el-last  flex_column_div  '     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-co0rmcs-02750a0c5d5625bbb6cc3ebc7a7489a9\">\n.avia-image-container.av-co0rmcs-02750a0c5d5625bbb6cc3ebc7a7489a9 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-co0rmcs-02750a0c5d5625bbb6cc3ebc7a7489a9 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-co0rmcs-02750a0c5d5625bbb6cc3ebc7a7489a9 av-styling- av-hover-grow av-hide-overflow avia-align-left  avia-builder-el-14  el_before_av_hr  avia-builder-el-first '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-73864 avia-img-lazy-loading-not-73864 avia_image ' src=\"https:\/\/step-lab.com\/wp-content\/uploads\/molle-compressione-1-2115x1030.png\" alt='Misurazioni su molle' title='molle compressione'  height=\"502\" width=\"1030\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/step-lab.com\/wp-content\/uploads\/molle-compressione-1-2115x1030.png 2115w, https:\/\/step-lab.com\/wp-content\/uploads\/molle-compressione-1-300x146.png 300w, https:\/\/step-lab.com\/wp-content\/uploads\/molle-compressione-1-768x374.png 768w, https:\/\/step-lab.com\/wp-content\/uploads\/molle-compressione-1-1536x748.png 1536w, https:\/\/step-lab.com\/wp-content\/uploads\/molle-compressione-1-2048x997.png 2048w, https:\/\/step-lab.com\/wp-content\/uploads\/molle-compressione-1-1500x730.png 1500w, https:\/\/step-lab.com\/wp-content\/uploads\/molle-compressione-1-705x343.png 705w, https:\/\/step-lab.com\/wp-content\/uploads\/molle-compressione-1-600x292.png 600w\" sizes=\"(max-width: 1030px) 100vw, 1030px\" \/><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-c7dremk-c2b32e173b6ebb885eb8bbda18e78a6e\">\n#top .hr.hr-invisible.av-c7dremk-c2b32e173b6ebb885eb8bbda18e78a6e{\nheight:70px;\n}\n<\/style>\n<div  class='hr av-c7dremk-c2b32e173b6ebb885eb8bbda18e78a6e hr-invisible  avia-builder-el-15  el_after_av_image  el_before_av_image '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-bupgslo-10c5158746fa869fe9923406646bb629\">\n.avia-image-container.av-bupgslo-10c5158746fa869fe9923406646bb629 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-bupgslo-10c5158746fa869fe9923406646bb629 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-bupgslo-10c5158746fa869fe9923406646bb629 av-styling- av-hover-grow av-hide-overflow avia-align-left  avia-builder-el-16  el_after_av_hr  avia-builder-el-last '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-73865 avia-img-lazy-loading-not-73865 avia_image ' src=\"https:\/\/step-lab.com\/wp-content\/uploads\/molle-compressione-a-3-1-2115x1030.png\" alt='Caratterizzazione molle' title='molle compressione a 3'  height=\"502\" width=\"1030\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/step-lab.com\/wp-content\/uploads\/molle-compressione-a-3-1-2115x1030.png 2115w, https:\/\/step-lab.com\/wp-content\/uploads\/molle-compressione-a-3-1-300x146.png 300w, https:\/\/step-lab.com\/wp-content\/uploads\/molle-compressione-a-3-1-768x374.png 768w, https:\/\/step-lab.com\/wp-content\/uploads\/molle-compressione-a-3-1-1536x748.png 1536w, https:\/\/step-lab.com\/wp-content\/uploads\/molle-compressione-a-3-1-2048x997.png 2048w, https:\/\/step-lab.com\/wp-content\/uploads\/molle-compressione-a-3-1-1500x730.png 1500w, https:\/\/step-lab.com\/wp-content\/uploads\/molle-compressione-a-3-1-705x343.png 705w, https:\/\/step-lab.com\/wp-content\/uploads\/molle-compressione-a-3-1-600x292.png 600w\" sizes=\"(max-width: 1030px) 100vw, 1030px\" \/><\/div><\/div><\/div><\/p><\/div><\/p>\n<\/div><\/div><div class='flex_cell av-b8eb1jg-93182658bcfc2e0d86c8a6f703a5b159 av-gridrow-cell av_three_fifth no_margin  avia-builder-el-17  el_after_av_cell_two_fifth  avia-builder-el-last '  ><div class='flex_cell_inner'><div  class='flex_column av-4iym8j0-c371574f6e5941fb32e4c3a8597134b9 av_three_fourth  avia-builder-el-18  avia-builder-el-no-sibling  first flex_column_div  '     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mrvtakno-36e013d834acb684920a6cab154cded7\">\n#top .av_textblock_section.av-mrvtakno-36e013d834acb684920a6cab154cded7 .avia_textblock{\nfont-size:14px;\n}\n<\/style>\n<section  class='av_textblock_section av-mrvtakno-36e013d834acb684920a6cab154cded7 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\" data-sourcepos=\"62:1-62:96;3175-3270\">En fonction de l&rsquo;application et de la certification requise, les essais sur les ressorts peuvent inclure :<\/p>\n<ul>\n<li class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\" data-sourcepos=\"64:1-65:189;3272-3520\"><strong>Caract\u00e9risation du ressort (courbe force-d\u00e9placement)<\/strong> L&rsquo;essai fondamental pour tout ressort : il permet de mesurer la force en fonction du d\u00e9placement afin de d\u00e9terminer la rigidit\u00e9 (constante \u00e9lastique), la longueur libre, la longueur comprim\u00e9e et la force \u00e0 l&rsquo;\u00e9tat comprim\u00e9.<\/li>\n<li class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\" data-sourcepos=\"67:1-68:216;3522-3763\"><strong>Essai de compression<\/strong> Charge axiale appliqu\u00e9e sur des ressorts de compression (h\u00e9lico\u00efdaux, \u00e0 coupelle, ondul\u00e9s) jusqu&rsquo;\u00e0 la longueur de travail ou jusqu&rsquo;\u00e0 la longueur d&#8217;empilement, en v\u00e9rifiant que les valeurs de force respectent la tol\u00e9rance sp\u00e9cifi\u00e9e pour chaque longueur de r\u00e9f\u00e9rence.<\/li>\n<li class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\" data-sourcepos=\"70:1-71:128;3765-3914\"><strong>Essai de traction<\/strong> Charge axiale appliqu\u00e9e sur des ressorts de traction afin de v\u00e9rifier la courbe force-allongement et l&rsquo;int\u00e9grit\u00e9 des crochets\/\u0153illets sous charge.<\/li>\n<li class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\" data-sourcepos=\"73:1-74:96;3916-4033\"><strong>Essai de torsion<\/strong> Test effectu\u00e9 sur les ressorts de torsion afin de mesurer le couple en fonction du d\u00e9placement angulaire.<\/li>\n<li class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\" data-sourcepos=\"76:1-77:225;4035-4291\"><strong>Essai de r\u00e9sistance \/ durabilit\u00e9<\/strong> Charge cyclique sur des milliers ou des millions de cycles, afin de v\u00e9rifier que le ressort conserve sa courbe caract\u00e9ristique pendant toute sa dur\u00e9e de vie pr\u00e9vue, sans fissures, d\u00e9formation permanente ni perte de force (rel\u00e2chement).<\/li>\n<li class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\" data-sourcepos=\"76:1-77:225;4035-4291\"><strong>Protocoles d&rsquo;essai sur mesure<\/strong> De nombreux secteurs ont besoin de s\u00e9quences d&rsquo;essai combinant plusieurs des essais \u00e9num\u00e9r\u00e9s ci-dessus, ou reproduisant un cycle d&rsquo;utilisation sp\u00e9cifique. STEP Lab con\u00e7oit des \u00e9quipements sur mesure en fonction de l&rsquo;application du client et de la norme applicable (<a href=\"https:\/\/step-lab.com\/fr\/normes\/\">ISO, ASTM, EN ou sp\u00e9cifications internes des \u00e9quipementiers<\/a>). <\/li>\n<\/ul>\n<\/div><\/section><\/div>\n<\/div><\/div><\/div><div id='after_grid_row_1'  class='main_color av_default_container_wrap container_wrap fullsize'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-full alpha units'><div class='post-entry post-entry-type-page post-entry-108023'><div class='entry-content-wrapper clearfix'>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mrvsx3ce-25b7a13acc395f610f7405934bbaa10d\">\n#top .av-special-heading.av-mrvsx3ce-25b7a13acc395f610f7405934bbaa10d{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-mrvsx3ce-25b7a13acc395f610f7405934bbaa10d .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-mrvsx3ce-25b7a13acc395f610f7405934bbaa10d .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-mrvsx3ce-25b7a13acc395f610f7405934bbaa10d av-special-heading-h2 blockquote elegant-quote elegant-centered  avia-builder-el-20  el_after_av_layout_row  el_before_av_layout_row  avia-builder-el-no-sibling '><h2 class='av-special-heading-tag '  itemprop=\"headline\"  ><span class=\"heading-wrap\">TYPES DE RESSORTS<\/span><\/h2><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><\/p>\n<\/div><\/div><\/div><!-- close content main div --><\/div><\/div><div id='av-layout-grid-2'  class='av-layout-grid-container av-an54qvg-80b3521bc7828d7dd9dbd0b8d5ed0ae3 entry-content-wrapper main_color av-flex-cells  avia-builder-el-21  el_after_av_heading  el_before_av_heading  grid-row-not-first  container_wrap fullsize'  >\n<div class='flex_cell av-aeof3gs-18250abae8a42363466d838a0d9ae0d0 av-gridrow-cell av_three_fifth no_margin  avia-builder-el-22  el_before_av_cell_two_fifth  avia-builder-el-first '  ><div class='flex_cell_inner'><p><div  class='flex_column av-a29euh8-8f3a2ffe0d92b6b5e649fd2348c2e93d av_one_fifth  avia-builder-el-23  el_before_av_three_fourth  avia-builder-el-first  first flex_column_div  '     ><\/div><div  class='flex_column av-y4j7qk-c22173ebbb69896ccaa03a249498c298 av_three_fourth  avia-builder-el-24  el_after_av_one_fifth  avia-builder-el-last  flex_column_div  '     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mrvtdr8o-e539221ab1973d7599f3b9bbb57da148\">\n#top .av_textblock_section.av-mrvtdr8o-e539221ab1973d7599f3b9bbb57da148 .avia_textblock{\nfont-size:14px;\n}\n<\/style>\n<section  class='av_textblock_section av-mrvtdr8o-e539221ab1973d7599f3b9bbb57da148 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\" data-sourcepos=\"34:1-34:117;1585-1701\">Les ressorts sont class\u00e9s en fonction de leur g\u00e9om\u00e9trie et de la mani\u00e8re dont ils emmagasinent ou lib\u00e8rent de l&rsquo;\u00e9nergie. Les types les plus courants sont les suivants : <\/p>\n<ul>\n<li class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\" data-sourcepos=\"36:1-37:169;1703-1908\"><strong>Ressorts h\u00e9lico\u00efdaux de compression<\/strong> Ressorts \u00e0 fil enroul\u00e9 de mani\u00e8re cylindrique ou conique, soumis \u00e0 une contrainte de compression. Il s&rsquo;agit du type le plus r\u00e9pandu, et d&rsquo;un \u00e9l\u00e9ment central des suspensions automobiles. <\/li>\n<li class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\" data-sourcepos=\"36:1-37:169;1703-1908\"><strong>Ressorts h\u00e9lico\u00efdaux de traction<\/strong> Ressorts enroul\u00e9s con\u00e7us pour r\u00e9sister \u00e0 une force de traction, munis de crochets ou d&rsquo;\u0153illets aux extr\u00e9mit\u00e9s pour l&rsquo;ancrage de la charge.<\/li>\n<li class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\" data-sourcepos=\"36:1-37:169;1703-1908\"><strong>Ressorts de torsion<\/strong> Ressorts qui emmagasinent de l&rsquo;\u00e9nergie par rotation autour de leur axe, plut\u00f4t que par compression ou extension lin\u00e9aire ; utilis\u00e9s dans les charni\u00e8res, les leviers et les m\u00e9canismes d&rsquo;\u00e9quilibrage.<\/li>\n<li class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\" data-sourcepos=\"36:1-37:169;1703-1908\"><strong>Rondelles Belleville \/ ressorts coniques<\/strong> Rondelles annulaires de forme conique qui se d\u00e9forment axialement sous l&rsquo;effet d&rsquo;une charge. Ils offrent des forces \u00e9lev\u00e9es pour un encombrement axial tr\u00e8s r\u00e9duit et sont souvent empil\u00e9s en s\u00e9rie ou en parall\u00e8le pour moduler la force et la course. <\/li>\n<li class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\" data-sourcepos=\"36:1-37:169;1703-1908\"><strong>Ressorts ondul\u00e9s<\/strong> Fil plat profil\u00e9 en forme d&rsquo;onde, capable d&rsquo;offrir la force d&rsquo;un ressort h\u00e9lico\u00efdal dans un espace axial bien plus r\u00e9duit ; utilis\u00e9s lorsque la hauteur d&rsquo;installation est limit\u00e9e.<\/li>\n<li class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\" data-sourcepos=\"36:1-37:169;1703-1908\"><strong>Ressorts \u00e0 gaz \/ pneumatiques<\/strong> V\u00e9rins \u00e9tanches utilisant du gaz ou de l&rsquo;air comprim\u00e9 \u00e0 la place d&rsquo;un \u00e9l\u00e9ment \u00e9lastique m\u00e9canique, utilis\u00e9s lorsqu&rsquo;une courbe de force contr\u00f4l\u00e9e, r\u00e9glable ou amortie est n\u00e9cessaire.<\/li>\n<\/ul>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\" data-sourcepos=\"54:1-54:167;2930-3096\">Chaque type se comporte diff\u00e9remment sous charge et n\u00e9cessite donc un montage d&rsquo;essai, un \u00e9quipement et, dans certains cas, une norme de r\u00e9f\u00e9rence sp\u00e9cifiques.<\/p>\n<\/div><\/section><\/div><\/p>\n<\/div><\/div><div class='flex_cell av-8utu9l8-d288276be0aac7c923d4ea0a06c35326 av-gridrow-cell av_two_fifth no_margin  avia-builder-el-26  el_after_av_cell_three_fifth  avia-builder-el-last '  ><div class='flex_cell_inner'><div  class='flex_column av-30e02jw-140e6a3ed949b4e3abe77bf7c7cdc372 av_three_fifth  avia-builder-el-27  avia-builder-el-no-sibling  first flex_column_div  '     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mrvvk0za-edd2c29118e7c4e09118849674263cda\">\n.avia-image-container.av-mrvvk0za-edd2c29118e7c4e09118849674263cda img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-mrvvk0za-edd2c29118e7c4e09118849674263cda .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-mrvvk0za-edd2c29118e7c4e09118849674263cda av-styling- avia-align-center  avia-builder-el-28  avia-builder-el-no-sibling '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-123871 avia-img-lazy-loading-not-123871 avia_image ' src=\"https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/spring-testing-687x1030.jpg\" alt='' title='spring testing'  height=\"1030\" width=\"687\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/spring-testing-687x1030.jpg 687w, https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/spring-testing-200x300.jpg 200w, https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/spring-testing-768x1152.jpg 768w, https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/spring-testing-1024x1536.jpg 1024w, https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/spring-testing-1000x1500.jpg 1000w, https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/spring-testing-470x705.jpg 470w, https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/spring-testing-1067x1600.jpg 1067w, https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/spring-testing-600x900.jpg 600w, https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/spring-testing.jpg 1320w\" sizes=\"(max-width: 687px) 100vw, 687px\" \/><\/div><\/div><\/div><\/div>\n<\/div><\/div>\n<\/div><div id='after_grid_row_2'  class='main_color av_default_container_wrap container_wrap fullsize'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-full alpha units'><div class='post-entry post-entry-type-page post-entry-108023'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mrvtgi3n-78069c5a3c9dfca5401464327e74734c\">\n#top .av-special-heading.av-mrvtgi3n-78069c5a3c9dfca5401464327e74734c{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-mrvtgi3n-78069c5a3c9dfca5401464327e74734c .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-mrvtgi3n-78069c5a3c9dfca5401464327e74734c .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-mrvtgi3n-78069c5a3c9dfca5401464327e74734c av-special-heading-h2 blockquote elegant-quote elegant-centered  avia-builder-el-29  el_after_av_layout_row  el_before_av_layout_row  avia-builder-el-no-sibling '><h2 class='av-special-heading-tag '  itemprop=\"headline\"  ><span class=\"heading-wrap\">Essais sur les ressorts h\u00e9lico\u00efdaux<\/span><\/h2><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div>\n<\/div><\/div><\/div><!-- close content main div --><\/div><\/div><div id='av-layout-grid-3'  class='av-layout-grid-container av-8p9qh64-3dd6ed4a6c86aeb1c16f11c9129718d6 entry-content-wrapper main_color av-flex-cells  avia-builder-el-30  el_after_av_heading  el_before_av_heading  grid-row-not-first  container_wrap fullsize'  >\n<div class='flex_cell av-7wu874c-7d4e59e79761e2704c20b67561019496 av-gridrow-cell av_two_fifth no_margin  avia-builder-el-31  el_before_av_cell_three_fifth  avia-builder-el-first '  ><div class='flex_cell_inner'><p><div  class='flex_column av-7nssnv0-21a2c8e77bfd9d04f13073a7c4b08653 av_one_third  avia-builder-el-32  el_before_av_three_fifth  avia-builder-el-first  first flex_column_div  '     ><\/div><div  class='flex_column av-q1ve7g-cb2da0e32e103bf917984628e20c439c av_three_fifth  avia-builder-el-33  el_after_av_one_third  avia-builder-el-last  flex_column_div  '     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mrvv3c6e-c398434c6d5ca4f2e93bbc60e8522705\">\n.avia-image-container.av-mrvv3c6e-c398434c6d5ca4f2e93bbc60e8522705 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-mrvv3c6e-c398434c6d5ca4f2e93bbc60e8522705 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-mrvv3c6e-c398434c6d5ca4f2e93bbc60e8522705 av-styling- avia-align-center  avia-builder-el-34  avia-builder-el-no-sibling '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-123865 avia-img-lazy-loading-not-123865 avia_image ' src=\"https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/DSC_0311-686x1030.jpg\" alt='coil spring' title='DSC_0311'  height=\"1030\" width=\"686\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/DSC_0311-686x1030.jpg 686w, https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/DSC_0311-200x300.jpg 200w, https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/DSC_0311-768x1152.jpg 768w, https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/DSC_0311-1024x1536.jpg 1024w, https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/DSC_0311-1000x1500.jpg 1000w, https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/DSC_0311-470x705.jpg 470w, https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/DSC_0311-1067x1600.jpg 1067w, https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/DSC_0311-600x900.jpg 600w, https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/DSC_0311.jpg 1365w\" sizes=\"(max-width: 686px) 100vw, 686px\" \/><\/div><\/div><\/div><\/div><\/p>\n<\/div><\/div><div class='flex_cell av-6lomxyk-d403fc186dbeb71a4eb6b14de1d0d24b av-gridrow-cell av_three_fifth no_margin  avia-builder-el-35  el_after_av_cell_two_fifth  avia-builder-el-last '  ><div class='flex_cell_inner'><div  class='flex_column av-643p0r0-afe2643bfef9d9fce168a0d4bb6d0108 av_three_fourth  avia-builder-el-36  avia-builder-el-no-sibling  first flex_column_div  '     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mrvtjk2g-3483ffab1c4a142cc7993ec5bb133fa2\">\n#top .av_textblock_section.av-mrvtjk2g-3483ffab1c4a142cc7993ec5bb133fa2 .avia_textblock{\nfont-size:14px;\n}\n<\/style>\n<section  class='av_textblock_section av-mrvtjk2g-3483ffab1c4a142cc7993ec5bb133fa2 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\" data-sourcepos=\"93:1-93:400;5142-5541\">Les<strong> ressorts h\u00e9lico\u00efdaux<\/strong>, \u00e9galement appel\u00e9s ressorts de compression h\u00e9lico\u00efdaux, constituent la solution privil\u00e9gi\u00e9e dans la grande majorit\u00e9 des syst\u00e8mes de suspension des v\u00e9hicules. Leur conception compacte, la possibilit\u00e9 de les associer \u00e0 un amortisseur au sein d&rsquo;un seul ensemble de jambe de suspension, ainsi que leur rapport co\u00fbt\/performances avantageux en font le choix standard, qu&rsquo;il s&rsquo;agisse de voitures particuli\u00e8res, de v\u00e9hicules de sport automobile ou de v\u00e9hicules utilitaires l\u00e9gers. <\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\" data-sourcepos=\"95:1-95:527;5543-6069\">Dans un syst\u00e8me de suspension, le ressort h\u00e9lico\u00efdal est soumis \u00e0 une contrainte axiale de compression ; il agit de concert avec l&rsquo;amortisseur pour absorber les chocs provenant de la route et maintenir le contact des pneus ainsi que le confort de conduite. Avec l&rsquo;augmentation du poids des v\u00e9hicules, les charges que le ressort de suspension doit supporter augmentent \u00e9galement, ce qui rend d&rsquo;autant plus important un test pr\u00e9cis et conforme aux normes, tant au stade du d\u00e9veloppement que lors du contr\u00f4le qualit\u00e9 en production. <\/p>\n<h3 class=\"text-text-100 mt-2 -mb-1 text-base font-bold\" dir=\"ltr\" data-sourcepos=\"108:1-108:63;6805-6867\">Pourquoi l&rsquo;application axiale de la charge est-elle si importante ?<\/h3>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\" data-sourcepos=\"110:1-110:473;6869-7341\">En raison de sa g\u00e9om\u00e9trie h\u00e9lico\u00efdale, la charge appliqu\u00e9e \u00e0 un ressort h\u00e9lico\u00efdal n&rsquo;est presque jamais parfaitement centr\u00e9e sur l&rsquo;axe g\u00e9om\u00e9trique : les extr\u00e9mit\u00e9s sont rarement soumises \u00e0 une charge uniforme, ce qui g\u00e9n\u00e8re des forces transversales et des moments de basculement en plus de la force axiale. S&rsquo;ils ne sont pas correctement contr\u00f4l\u00e9s et mesur\u00e9s, ces effets peuvent entra\u00eener une usure irr\u00e9guli\u00e8re, des frottements et une d\u00e9faillance pr\u00e9matur\u00e9e des composants adjacents (tiges, logements de ressort, amortisseurs). <\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\" data-sourcepos=\"112:1-112:309;7343-7651\">C&rsquo;est pourquoi une <strong>machine d&rsquo;essai de ressorts h\u00e9lico\u00efdaux<\/strong> fiable doit appliquer et mesurer la charge avec pr\u00e9cision sur l&rsquo;axe central, garantir un parall\u00e9lisme \u00e9lev\u00e9 entre les plateaux de compression et assurer des r\u00e9sultats reproductibles, m\u00eame sur des ressorts pr\u00e9sentant des tol\u00e9rances g\u00e9om\u00e9triques et dimensionnelles tr\u00e8s serr\u00e9es.<\/p>\n<h3 class=\"text-text-100 mt-2 -mb-1 text-base font-bold\" dir=\"ltr\" data-sourcepos=\"114:1-114:46;7653-7698\">Essais sur ressorts h\u00e9lico\u00efdaux et amortisseurs<\/h3>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\" data-sourcepos=\"116:1-116:454;7700-8153\">Les ressorts h\u00e9lico\u00efdaux \u00e9tant tr\u00e8s souvent associ\u00e9s \u00e0 un amortisseur au sein d&rsquo;un m\u00eame ensemble de jambe de suspension, la caract\u00e9risation du ressort est souvent r\u00e9alis\u00e9e en m\u00eame temps que les essais sur les amortisseurs. Les <a href=\"https:\/\/step-lab.com\/fr\/systemes-dessai-amortisseurs\/\">bancs d&rsquo;essai ressort-amortisseur <\/a>permettent aux constructeurs de valider l&rsquo;ensemble de la jambe de suspension dans des conditions r\u00e9alistes de charges verticales et lat\u00e9rales simultan\u00e9es. <\/p>\n<\/div><\/section><\/div>\n<\/div><\/div><\/div><div id='after_grid_row_3'  class='main_color av_default_container_wrap container_wrap fullsize'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-full alpha units'><div class='post-entry post-entry-type-page post-entry-108023'><div class='entry-content-wrapper clearfix'>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-maguth94-5714ce22a9c0fae77fb1e2318ba0e238\">\n#top .av-special-heading.av-maguth94-5714ce22a9c0fae77fb1e2318ba0e238{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-maguth94-5714ce22a9c0fae77fb1e2318ba0e238 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-maguth94-5714ce22a9c0fae77fb1e2318ba0e238 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-maguth94-5714ce22a9c0fae77fb1e2318ba0e238 av-special-heading-h2 blockquote elegant-quote elegant-centered  avia-builder-el-38  el_after_av_layout_row  el_before_av_layout_row  avia-builder-el-no-sibling '><h2 class='av-special-heading-tag '  itemprop=\"headline\"  ><span class=\"heading-wrap\">SYST\u00c8MES D\u2019ESSAI DES RESSORTS<\/span><\/h2><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><\/p>\n<\/div><\/div><\/div><!-- close content main div --><\/div><\/div><div id='av-layout-grid-4'  class='av-layout-grid-container av-5redyzw-21d8e20c7b3f47aa90925b1cbc5e8f4f entry-content-wrapper main_color av-flex-cells  avia-builder-el-39  el_after_av_heading  el_before_av_hr  grid-row-not-first  container_wrap fullsize'  >\n<div class='flex_cell av-5b5jvgs-9a7add883c10f6aa9e9bf7ae80f11312 av-gridrow-cell av_three_fifth no_margin  avia-builder-el-40  el_before_av_cell_two_fifth  avia-builder-el-first '  ><div class='flex_cell_inner'><p><div  class='flex_column av-4n6z28c-0b462d506e47ae1603e68a51ba72fbce av_one_fourth  avia-builder-el-41  el_before_av_two_third  avia-builder-el-first  first flex_column_div  '     ><\/div><div  class='flex_column av-w3f6ng-8e53f7a315089b93be1ec094b392bba1 av_two_third  avia-builder-el-42  el_after_av_one_fourth  avia-builder-el-last  flex_column_div  '     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mrvwx7j9-92b8896bc0adb62f4bdb509859f60f4d\">\n#top .hr.hr-invisible.av-mrvwx7j9-92b8896bc0adb62f4bdb509859f60f4d{\nheight:30px;\n}\n<\/style>\n<div  class='hr av-mrvwx7j9-92b8896bc0adb62f4bdb509859f60f4d hr-invisible  avia-builder-el-43  el_before_av_textblock  avia-builder-el-first '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-maguvj2k-501444663cd799e8398fd37e669fc14f\">\n#top .av_textblock_section.av-maguvj2k-501444663cd799e8398fd37e669fc14f .avia_textblock{\nfont-size:14px;\n}\n<\/style>\n<section  class='av_textblock_section av-maguvj2k-501444663cd799e8398fd37e669fc14f '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p>Nos <strong>machines d&rsquo;essai de ressorts<\/strong> reposent sur deux technologies enti\u00e8rement \u00e9lectriques, choisies en fonction du type d&rsquo;essai requis :<\/p>\n<ul>\n<li>La <strong>s\u00e9rie EA<\/strong> pour les essais statiques, quasi-statiques et de fatigue \u00e0 basse et moyenne fr\u00e9quence<\/li>\n<li>La <strong>s\u00e9rie UD<\/strong> pour les essais dynamiques \u00e0 haute fr\u00e9quence.<\/li>\n<li>Pour la caract\u00e9risation de l&rsquo;ensemble ressort-amortisseur (jambes de suspension), nous proposons \u00e9galement des bancs d&rsquo;essai issus de la <strong>s\u00e9rie LUD<\/strong>.<\/li>\n<\/ul>\n<p>Les <strong>principales caract\u00e9ristiques <\/strong>communes \u00e0 toutes nos machines sont les suivantes :<\/p>\n<ul>\n<li class=\"font-claude-response-body whitespace-normal break-words pl-2\" data-sourcepos=\"140:1-140:152;9975-10126\">Application de la force sur l&rsquo;axe central, pour une charge uniforme et pr\u00e9cise, m\u00eame sur des ressorts pr\u00e9sentant des tol\u00e9rances g\u00e9om\u00e9triques et dimensionnelles tr\u00e8s serr\u00e9es<\/li>\n<li class=\"font-claude-response-body whitespace-normal break-words pl-2\" data-sourcepos=\"141:1-141:146;10127-10272\">Guides pour les charges lat\u00e9rales qui absorbent les forces transversales g\u00e9n\u00e9r\u00e9es par la g\u00e9om\u00e9trie h\u00e9lico\u00efdale, prot\u00e9geant ainsi le capteur de force et la structure de la machine<\/li>\n<li class=\"font-claude-response-body whitespace-normal break-words pl-2\" data-sourcepos=\"142:1-142:125;10273-10397\">Capteurs de force multiaxes (jusqu&rsquo;\u00e0 6), permettant de mesurer simultan\u00e9ment la force axiale et les composantes lat\u00e9rales<\/li>\n<li class=\"font-claude-response-body whitespace-normal break-words pl-2\" data-sourcepos=\"143:1-143:124;10398-10521\">D\u00e9tection automatique de la rupture du ressort, avec arr\u00eat imm\u00e9diat du test et enregistrement des donn\u00e9es jusqu&rsquo;\u00e0 la rupture<\/li>\n<li class=\"font-claude-response-body whitespace-normal break-words pl-2\" data-sourcepos=\"144:1-144:90;10522-10611\">Correction en temps r\u00e9el des d\u00e9formations structurelles \u00e0 l&rsquo;aide du logiciel TestCenter<\/li>\n<li class=\"font-claude-response-body whitespace-normal break-words pl-2\" data-sourcepos=\"145:1-145:101;10612-10712\">Syst\u00e8mes de protection contre les chocs et les surcharges pour la s\u00e9curit\u00e9 de l&rsquo;op\u00e9rateur et du banc d&rsquo;essai<\/li>\n<li class=\"font-claude-response-body whitespace-normal break-words pl-2\" data-sourcepos=\"146:1-146:103;10713-10815\">Une conception sur mesure adapt\u00e9e \u00e0 vos besoins, avec une \u00e9quipe d&rsquo;experts toujours \u00e0 votre disposition<\/li>\n<li class=\"font-claude-response-body whitespace-normal break-words pl-2\" data-sourcepos=\"147:1-147:65;10816-10880\">Installation simple et co\u00fbts d&rsquo;entretien quasi nuls<\/li>\n<\/ul>\n<\/div><\/section><br \/>\n<div  class='avia-buttonrow-wrap av-mrvxac3k-b42f606729919bc035132713b8137031 avia-buttonrow-left  avia-builder-el-45  el_after_av_textblock  avia-builder-el-last '>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mrvx9bb1-7c7e77011fbd5c4abf5a7f9d630b9d77\">\n#top #wrap_all .avia-button.av-mrvx9bb1-7c7e77011fbd5c4abf5a7f9d630b9d77{\nmargin-bottom:20px;\nmargin-right:20px;\n}\n<\/style>\n<a href='https:\/\/step-lab.com\/fr\/systemes-actionneurs-electromecaniques\/'  class='avia-button av-mrvx9bb1-7c7e77011fbd5c4abf5a7f9d630b9d77 avia-icon_select-yes-left-icon avia-size-small avia-color-theme-color'  target=\"_blank\"  rel=\"noopener noreferrer\"  aria-label=\"S\u00e9rie EA\"><span class='avia_button_icon avia_button_icon_left avia-svg-icon avia-font-svg_entypo-fontello' data-av_svg_icon='forward' data-av_iconset='svg_entypo-fontello'><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"29\" height=\"32\" viewBox=\"0 0 29 32\" preserveAspectRatio=\"xMidYMid meet\" aria-labelledby='av-svg-title-1' aria-describedby='av-svg-desc-1' role=\"graphics-symbol\">\n<title id='av-svg-title-1'>Forward<\/title>\n<desc id='av-svg-desc-1'>Forward<\/desc>\n<path d=\"M17.28 19.136q-6.72 0-10.624 1.44t-6.656 6.304q0.128-0.64 0.416-1.696t1.6-3.744 3.072-4.736 4.992-3.744 7.2-1.696v-6.144l11.52 10.304-11.52 10.688v-6.976z\"><\/path>\n<\/svg><\/span><span class='avia_iconbox_title' >S\u00e9rie EA<\/span><\/a>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mrvx9bb1-34-30ebf4c0887d10c8ba315952f2590390\">\n#top #wrap_all .avia-button.av-mrvx9bb1-34-30ebf4c0887d10c8ba315952f2590390{\nmargin-bottom:20px;\nmargin-right:20px;\n}\n<\/style>\n<a href='https:\/\/step-lab.com\/fr\/systemes-dessais-electrodynamiques\/'  class='avia-button av-mrvx9bb1-34-30ebf4c0887d10c8ba315952f2590390 avia-icon_select-yes-left-icon avia-size-small avia-color-theme-color'  target=\"_blank\"  rel=\"noopener noreferrer\"  aria-label=\"S\u00e9rie UD\"><span class='avia_button_icon avia_button_icon_left avia-svg-icon avia-font-svg_entypo-fontello' data-av_svg_icon='forward' data-av_iconset='svg_entypo-fontello'><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"29\" height=\"32\" viewBox=\"0 0 29 32\" preserveAspectRatio=\"xMidYMid meet\" aria-labelledby='av-svg-title-2' aria-describedby='av-svg-desc-2' role=\"graphics-symbol\">\n<title id='av-svg-title-2'>Forward<\/title>\n<desc id='av-svg-desc-2'>Forward<\/desc>\n<path d=\"M17.28 19.136q-6.72 0-10.624 1.44t-6.656 6.304q0.128-0.64 0.416-1.696t1.6-3.744 3.072-4.736 4.992-3.744 7.2-1.696v-6.144l11.52 10.304-11.52 10.688v-6.976z\"><\/path>\n<\/svg><\/span><span class='avia_iconbox_title' >S\u00e9rie UD<\/span><\/a>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mrvx9bb1-33-25787eb924d735144f1876513ce4e129\">\n#top #wrap_all .avia-button.av-mrvx9bb1-33-25787eb924d735144f1876513ce4e129{\nmargin-bottom:20px;\nmargin-right:20px;\n}\n<\/style>\n<a href='https:\/\/step-lab.com\/fr\/lud-shock-dyno\/'  class='avia-button av-mrvx9bb1-33-25787eb924d735144f1876513ce4e129 avia-icon_select-yes-left-icon avia-size-small avia-color-theme-color'  target=\"_blank\"  rel=\"noopener noreferrer\"  aria-label=\"S\u00e9rie LUD\"><span class='avia_button_icon avia_button_icon_left avia-svg-icon avia-font-svg_entypo-fontello' data-av_svg_icon='forward' data-av_iconset='svg_entypo-fontello'><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"29\" height=\"32\" viewBox=\"0 0 29 32\" preserveAspectRatio=\"xMidYMid meet\" aria-labelledby='av-svg-title-3' aria-describedby='av-svg-desc-3' role=\"graphics-symbol\">\n<title id='av-svg-title-3'>Forward<\/title>\n<desc id='av-svg-desc-3'>Forward<\/desc>\n<path d=\"M17.28 19.136q-6.72 0-10.624 1.44t-6.656 6.304q0.128-0.64 0.416-1.696t1.6-3.744 3.072-4.736 4.992-3.744 7.2-1.696v-6.144l11.52 10.304-11.52 10.688v-6.976z\"><\/path>\n<\/svg><\/span><span class='avia_iconbox_title' >S\u00e9rie LUD<\/span><\/a>\n<\/div><\/p><\/div><\/p>\n<\/div><\/div><div class='flex_cell av-4h0lnsc-3a3b7ed96bc96a90e768cd214dc94921 av-gridrow-cell av_two_fifth no_margin  avia-builder-el-46  el_after_av_cell_three_fifth  avia-builder-el-last '  ><div class='flex_cell_inner'><div  class='flex_column av-3ynfsi4-8e9ef01e5e0589a74e94dd101eaedd54 av_three_fifth  avia-builder-el-47  avia-builder-el-no-sibling  first flex_column_div  '     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mrvvuu28-3ef5ccbeb0142e97f2cb88973b1e4d84\">\n#top .avia-gallery.av-mrvvuu28-3ef5ccbeb0142e97f2cb88973b1e4d84 .avia-gallery-thumb a{\nwidth:14.2857%;\n}\n<\/style>\n<div  class='avia-gallery av-mrvvuu28-3ef5ccbeb0142e97f2cb88973b1e4d84 avia_animate_when_visible avia-gallery-plain  avia-builder-el-48  avia-builder-el-no-sibling  animations_off av-slideshow-ui av-loop-manual-endless av-control-hidden av-navigate-arrows hover-effect av-control-hidden avia-gallery-1'  itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><meta itemprop=\"contentURL\" content=\"https:\/\/step-lab.com\/fr\/essais-mecaniques-ressorts\/\"><div class='avia-gallery-big-wrapper'><a class='avia-gallery-big fakeLightbox avianolink noLightbox avia-gallery-big-no-crop-thumb ' href=\"https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/EA050ST015-687x1030.jpg\" data-srcset=\"https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/EA050ST015-687x1030.jpg 687w, https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/EA050ST015-200x300.jpg 200w, https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/EA050ST015-768x1152.jpg 768w, https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/EA050ST015-1000x1500.jpg 1000w, https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/EA050ST015-470x705.jpg 470w, https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/EA050ST015-600x900.jpg 600w, https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/EA050ST015.jpg 1024w\" data-sizes=\"(max-width: 687px) 100vw, 687px\"  data-onclick='1' title='EA050+ST015' ><span class='avia-gallery-big-inner'  itemprop=\"thumbnailUrl\" ><img decoding=\"async\" fetchpriority=\"high\" class=\"wp-image-123867 avia-img-lazy-loading-not-123867\"  width=\"600\" height=\"900\" src=\"https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/EA050ST015-600x900.jpg\" title='EA050+ST015' alt='electromechanical spring testing machine' srcset=\"https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/EA050ST015-600x900.jpg 600w, https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/EA050ST015-200x300.jpg 200w, https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/EA050ST015-687x1030.jpg 687w, https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/EA050ST015-768x1152.jpg 768w, https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/EA050ST015-1000x1500.jpg 1000w, https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/EA050ST015-470x705.jpg 470w, https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/EA050ST015.jpg 1024w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/span><\/a><\/div><div class='avia-gallery-thumb'><a href=\"https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/EA050ST015-687x1030.jpg\" data-srcset=\"https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/EA050ST015-687x1030.jpg 687w, https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/EA050ST015-200x300.jpg 200w, https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/EA050ST015-768x1152.jpg 768w, https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/EA050ST015-1000x1500.jpg 1000w, https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/EA050ST015-470x705.jpg 470w, https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/EA050ST015-600x900.jpg 600w, https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/EA050ST015.jpg 1024w\" data-sizes=\"(max-width: 687px) 100vw, 687px\" data-rel='gallery-1' data-prev-img='https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/EA050ST015-600x900.jpg' class='first_thumb avianolink noLightbox ' data-onclick='1' title='EA050+ST015'  itemprop=\"thumbnailUrl\"  ><img decoding=\"async\" fetchpriority=\"high\" class=\"wp-image-123867 avia-img-lazy-loading-not-123867\"   src=\"https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/EA050ST015-600x900.jpg\" width=\"600\" height=\"900\"  title='EA050+ST015' alt='electromechanical spring testing machine' srcset=\"https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/EA050ST015-600x900.jpg 600w, https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/EA050ST015-200x300.jpg 200w, https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/EA050ST015-687x1030.jpg 687w, https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/EA050ST015-768x1152.jpg 768w, https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/EA050ST015-1000x1500.jpg 1000w, https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/EA050ST015-470x705.jpg 470w, https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/EA050ST015.jpg 1024w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><div class='big-prev-fake'><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-123867 avia-img-lazy-loading-123867\"  width=\"600\" height=\"900\" src=\"https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/EA050ST015-600x900.jpg\" title='EA050+ST015' alt='electromechanical spring testing machine' srcset=\"https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/EA050ST015-600x900.jpg 600w, https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/EA050ST015-200x300.jpg 200w, https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/EA050ST015-687x1030.jpg 687w, https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/EA050ST015-768x1152.jpg 768w, https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/EA050ST015-1000x1500.jpg 1000w, https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/EA050ST015-470x705.jpg 470w, https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/EA050ST015.jpg 1024w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/div><\/a><a href=\"https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/spring-testing-machine-UD020L-687x1030.jpg\" data-srcset=\"https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/spring-testing-machine-UD020L-687x1030.jpg 687w, https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/spring-testing-machine-UD020L-200x300.jpg 200w, https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/spring-testing-machine-UD020L-768x1152.jpg 768w, https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/spring-testing-machine-UD020L-1024x1536.jpg 1024w, https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/spring-testing-machine-UD020L-1000x1500.jpg 1000w, https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/spring-testing-machine-UD020L-470x705.jpg 470w, https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/spring-testing-machine-UD020L-1067x1600.jpg 1067w, https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/spring-testing-machine-UD020L-600x900.jpg 600w, https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/spring-testing-machine-UD020L.jpg 1153w\" data-sizes=\"(max-width: 687px) 100vw, 687px\" data-rel='gallery-1' data-prev-img='https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/spring-testing-machine-UD020L-600x900.jpg' class='avianolink noLightbox ' data-onclick='2' title='spring testing machine UD020L'  itemprop=\"thumbnailUrl\"  ><img decoding=\"async\" fetchpriority=\"high\" class=\"wp-image-123869 avia-img-lazy-loading-not-123869\"   src=\"https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/spring-testing-machine-UD020L-600x900.jpg\" width=\"600\" height=\"900\"  title='spring testing machine UD020L' alt='linear motor-based testing machine for coil springs' srcset=\"https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/spring-testing-machine-UD020L-600x900.jpg 600w, https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/spring-testing-machine-UD020L-200x300.jpg 200w, https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/spring-testing-machine-UD020L-687x1030.jpg 687w, https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/spring-testing-machine-UD020L-768x1152.jpg 768w, https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/spring-testing-machine-UD020L-1024x1536.jpg 1024w, https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/spring-testing-machine-UD020L-1000x1500.jpg 1000w, https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/spring-testing-machine-UD020L-470x705.jpg 470w, https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/spring-testing-machine-UD020L-1067x1600.jpg 1067w, https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/spring-testing-machine-UD020L.jpg 1153w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><div class='big-prev-fake'><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-123869 avia-img-lazy-loading-123869\"  width=\"600\" height=\"900\" src=\"https:\/\/step-lab.com\/wp-content\/uploads\/2026\/07\/spring-testing-machine-UD020L-600x900.jpg\" title='spring testing machine UD020L' alt='linear motor-based testing 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Un capteur de force \u00e0 6 axes, associ\u00e9 \u00e0 des guides anti-charge lat\u00e9rale int\u00e9gr\u00e9s, mesure de mani\u00e8re exhaustive les forces et les moments (Fx, Fy, Fz, Mx, My, Mz), en d\u00e9tectant \u00e9galement les composantes multiaxiales g\u00e9n\u00e9r\u00e9es par la g\u00e9om\u00e9trie h\u00e9lico\u00efdale du ressort. 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itemprop=\"text\" ><p>\nSyst\u00e8mes \u00e9lectrodynamiques<\/p>\n<\/div><\/div><\/div><\/div><\/div><img loading=\"lazy\" decoding=\"async\" width=\"710\" height=\"375\" src=\"https:\/\/step-lab.com\/wp-content\/uploads\/2023\/08\/dynamic-test-machine-710x375.jpg\" class=\"aviaccordion-image\" alt=\"\" \/><\/a><\/li><li class='aviaccordion-slide av-2ga7efg-19c28f5a4e8c8981513f7c4a299a7b62__1 aviaccordion-slide-2' data-av-left='25'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><a class='aviaccordion-slide-link noHover' href=\"https:\/\/step-lab.com\/fr\/systemes-actionneurs-electromecaniques\/\"  target='_blank'><div class='aviaccordion-preview av-accordion-text-center'><div class=\"aviaccordion-preview-title-pos\"><div class=\"aviaccordion-preview-title-wrap\"><div class=\"aviaccordion-preview-title\"><h3 class='aviaccordion-title '  itemprop=\"headline\" >s\u00e9rie ea<\/h3><div class='aviaccordion-excerpt'  itemprop=\"text\" ><p>\nSyst\u00e8mes \u00e9lectrom\u00e9caniques<\/p>\n<\/div><\/div><\/div><\/div><\/div><img loading=\"lazy\" decoding=\"async\" width=\"710\" height=\"375\" src=\"https:\/\/step-lab.com\/wp-content\/uploads\/2022\/06\/Macchie-statiche-2-710x375.png\" class=\"aviaccordion-image\" alt=\"\" \/><\/a><\/li><li class='aviaccordion-slide av-2ga7efg-19c28f5a4e8c8981513f7c4a299a7b62__2 aviaccordion-slide-3' data-av-left='50'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><a class='aviaccordion-slide-link noHover' href=\"https:\/\/step-lab.com\/fr\/tours-de-chute-pour-essais-de-chocs\/\"  target='_blank'><div class='aviaccordion-preview av-accordion-text-center'><div class=\"aviaccordion-preview-title-pos\"><div class=\"aviaccordion-preview-title-wrap\"><div class=\"aviaccordion-preview-title\"><h3 class='aviaccordion-title '  itemprop=\"headline\" >s\u00e9rie dw<\/h3><div class='aviaccordion-excerpt'  itemprop=\"text\" ><p>\nTours de chute pour les essais d&rsquo;impact<\/p>\n<\/div><\/div><\/div><\/div><\/div><img loading=\"lazy\" decoding=\"async\" width=\"710\" height=\"375\" src=\"https:\/\/step-lab.com\/wp-content\/uploads\/2024\/02\/DW750-1000-2000-710x375.png\" class=\"aviaccordion-image\" alt=\"\" \/><\/a><\/li><li class='aviaccordion-slide av-2ga7efg-19c28f5a4e8c8981513f7c4a299a7b62__3 aviaccordion-slide-4' data-av-left='75'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><a class='aviaccordion-slide-link noHover' href=\"https:\/\/step-lab.com\/fr\/machines-dessais-de-chaussures\/\"  target='_blank'><div class='aviaccordion-preview av-accordion-text-center'><div class=\"aviaccordion-preview-title-pos\"><div class=\"aviaccordion-preview-title-wrap\"><div class=\"aviaccordion-preview-title\"><h3 class='aviaccordion-title '  itemprop=\"headline\" >syst\u00e8mes d\u2019essai de chaussures<\/h3><\/div><\/div><\/div><\/div><img loading=\"lazy\" decoding=\"async\" width=\"710\" height=\"375\" src=\"https:\/\/step-lab.com\/wp-content\/uploads\/2023\/12\/footwear-testing-systems-710x375.png\" class=\"aviaccordion-image\" alt=\"\" \/><\/a><\/li><\/ul><div class='aviaccordion-spacer' style='padding-bottom:52.816901408451%'><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Machines STEP Lab pour les essais sur ressorts h\u00e9lico\u00efdaux, coniques et de torsion : compression, fatigue, caract\u00e9risation multiaxiale. <\/p>\n","protected":false},"author":5,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-108023","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.1 (Yoast SEO v28.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Essais sur les Ressorts | Machines d&#039;essai pour le contr\u00f4le des ressorts - STEP 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