{"id":2937,"date":"2026-02-03T10:50:47","date_gmt":"2026-02-03T02:50:47","guid":{"rendered":"https:\/\/www.handaspring.com\/?p=2937"},"modified":"2026-02-03T10:51:09","modified_gmt":"2026-02-03T02:51:09","slug":"why-do-canted-coil-springs-lose-contact-force-over-time","status":"publish","type":"post","link":"https:\/\/www.handaspring.com\/de\/why-do-canted-coil-springs-lose-contact-force-over-time.html","title":{"rendered":"Warum verlieren kantige Spiralfedern mit der Zeit an Kontaktkraft?"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Warum verlieren kantige Schraubenfedern mit der Zeit an Kontaktkraft? Erfahren Sie mehr \u00fcber die Hauptursachen wie Spannungsrelaxation, Materialkriechen, Temperatureinfl\u00fcsse und Fehler bei der Konstruktion von Rillen - und bew\u00e4hrte L\u00f6sungen zur Erhaltung der langfristigen Federleistung.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.handaspring.com\/canted-coil-spring\/\" title=\"\">Kantige Schraubenfedern<\/a> werden h\u00e4ufig in hochzuverl\u00e4ssigen Anwendungen wie elektrischen Kontakten, EMI\/RFI-Abschirmung, Pr\u00e4zisionsdichtungen, Ventilen und medizinischen Ger\u00e4ten eingesetzt. Ihre einzigartige abgewinkelte Spulengeometrie erm\u00f6glicht eine gleichm\u00e4\u00dfige Kraft \u00fcber einen gro\u00dfen Verformungsbereich - ein Vorteil gegen\u00fcber herk\u00f6mmlichen Druck- oder Wellenfedern.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"620\" height=\"620\" data-id=\"2388\" src=\"https:\/\/www.handaspring.com\/wp-content\/uploads\/2025\/02\/canted-coil-springs-41.jpg\" alt=\"Medizinische schr\u00e4ge Spiralfedern - Handaspring\" class=\"wp-image-2388\" srcset=\"https:\/\/www.handaspring.com\/wp-content\/uploads\/2025\/02\/canted-coil-springs-41.jpg 620w, https:\/\/www.handaspring.com\/wp-content\/uploads\/2025\/02\/canted-coil-springs-41-300x300.jpg 300w, https:\/\/www.handaspring.com\/wp-content\/uploads\/2025\/02\/canted-coil-springs-41-150x150.jpg 150w, https:\/\/www.handaspring.com\/wp-content\/uploads\/2025\/02\/canted-coil-springs-41-12x12.jpg 12w\" sizes=\"auto, (max-width: 620px) 100vw, 620px\" \/><\/figure>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Doch trotz ihres \u00fcberlegenen Designs, <strong>bei geneigten Schraubenfedern kann es im Laufe der Zeit dennoch zu einem Verlust der Kontaktkraft kommen<\/strong> wenn sie nicht richtig spezifiziert, hergestellt oder installiert werden. Dieser allm\u00e4hliche Kraftabfall kann zu elektrischen Unterbrechungen, Dichtungsfehlern, erh\u00f6htem Kontaktwiderstand oder Systemausfallzeiten f\u00fchren.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Verstehen <em>warum<\/em> F\u00fcr Ingenieure, Konstrukteure und Beschaffungsteams, die die Produktzuverl\u00e4ssigkeit und -lebensdauer maximieren wollen, ist es von entscheidender Bedeutung, die Ursachen f\u00fcr den Kraftverlust zu kennen. Dieser Artikel untersucht die wichtigsten Mechanismen, die hinter dem Kraftverlust stehen, und stellt praktische Strategien vor, um ihn zu verhindern.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Wie hoch ist die Kontaktkraft bei Canted Coil Springs?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Unter Kontaktkraft versteht man den kontinuierlichen mechanischen Druck, den eine Feder auf eine Gegenfl\u00e4che aus\u00fcbt, z. B. ein leitendes Geh\u00e4use, eine Welle oder eine Dichtungsnut. Bei kantigen Schraubenfedern wird diese Kraft durch die elastische Verformung von abgewinkelten Windungen unter Druck oder radialer Auslenkung erzeugt.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Im Gegensatz zu herk\u00f6mmlichen Federn sind schr\u00e4ge Schraubenfedern:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Beibehaltung einer nahezu konstanten Kraft \u00fcber gro\u00dfe Auslenkungen hinweg<\/li>\n\n\n\n<li>Vorhersehbare Lastkurven bieten<\/li>\n\n\n\n<li>Gute Leistung in dynamischen und vibrationsanf\u00e4lligen Umgebungen<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Dennoch ist die Kontaktkraft nicht immun gegen eine langfristige Verschlechterung.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Hauptgr\u00fcnde f\u00fcr den Verlust der Anpresskraft von Canted Coil Springs mit der Zeit<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. Entspannung von Stress<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Spannungsrelaxation ist die h\u00e4ufigste Ursache f\u00fcr Kraftverlust.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Wenn eine Feder \u00fcber einen l\u00e4ngeren Zeitraum auf einer konstanten Einfederung gehalten wird, kommt es zu einer allm\u00e4hlichen Umverteilung der inneren Spannungen im Material. Auch ohne sichtbare Verformung nimmt die Ausgangskraft der Feder ab.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Die wichtigsten Mitwirkenden:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Hohe Betriebstemperaturen<\/li>\n\n\n\n<li>\u00dcberm\u00e4\u00dfige anf\u00e4ngliche Kompression<\/li>\n\n\n\n<li>Unzureichende W\u00e4rmebehandlung<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Spannungsrelaxation ist besonders wichtig bei statischen Dichtungen und elektrischen Kontakten.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">2. Kriechen des Materials<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Kriechen tritt auf, wenn sich ein Material unter konstanter Belastung langsam verformt, insbesondere bei erh\u00f6hten Temperaturen.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Materialien mit geringerer Kriechfestigkeit - wie z. B. Standard-Edelstahl - k\u00f6nnen sich mit der Zeit dauerhaft verformen, was zu einer geringeren Federkraft f\u00fchrt.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Zu den Umgebungen mit hohem Risiko geh\u00f6ren:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Luft- und Raumfahrt und Turbinensysteme<\/li>\n\n\n\n<li>Bohrlochwerkzeuge f\u00fcr \u00d6l und Gas<\/li>\n\n\n\n<li>Halbleiterverarbeitungsanlagen<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">3. Erh\u00f6hte Temperaturbelastungen<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Die Temperatur beschleunigt sowohl die Spannungsrelaxation als auch das Kriechen.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mit steigender Betriebstemperatur:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Die Streckgrenze nimmt ab<\/li>\n\n\n\n<li>Elastische Erholung schw\u00e4cht sich ab<\/li>\n\n\n\n<li>Mikrostrukturelle Ver\u00e4nderungen k\u00f6nnen auftreten<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Wird ein Federwerkstoff nahe seiner Temperaturgrenze oder dar\u00fcber hinaus verwendet, kann der Kraftverlust viel schneller als erwartet eintreten.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">4. \u00dcberkomprimierung und unzul\u00e4ssige Verformung<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Gekippte Schraubenfedern sind so konstruiert, dass sie innerhalb eines bestimmten Einfederungsbereichs arbeiten. Ein \u00dcberschreiten dieses Bereichs kann zu:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Plastische Verformung<\/li>\n\n\n\n<li>Verzerrung der Spule<\/li>\n\n\n\n<li>Dauerhafter Satz<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Sobald die Elastizit\u00e4tsgrenze \u00fcberschritten ist, kann die Feder ihre urspr\u00fcngliche Kraft nicht mehr vollst\u00e4ndig zur\u00fcckgewinnen.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">5. Falsches Design von Rille oder Geh\u00e4use<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ungeeignete Rillengeometrien sind eine versteckte, aber entscheidende Ursache f\u00fcr Kraftverluste.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">H\u00e4ufige Fehler bei der Gestaltung von Rillen sind:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Unzureichende Nuttiefe<\/li>\n\n\n\n<li>Scharfe Kanten, die die Spule besch\u00e4digen<\/li>\n\n\n\n<li>\u00dcberm\u00e4\u00dfiges seitliches Spiel<\/li>\n\n\n\n<li>Unzureichende Oberfl\u00e4cheng\u00fcte<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Diese Probleme k\u00f6nnen zu ungleichm\u00e4\u00dfiger Belastung, lokaler Spannungskonzentration und beschleunigter Erm\u00fcdung f\u00fchren.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">6. Zyklische Erm\u00fcdung und Abnutzung<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Bei dynamischen Anwendungen k\u00f6nnen wiederholte Be- und Entlastungszyklen zu einem allm\u00e4hlichen Kraftabbau f\u00fchren:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Bildung von Mikrorissen<\/li>\n\n\n\n<li>Verschlei\u00df der Spulenoberfl\u00e4che<\/li>\n\n\n\n<li>Verlust der Federintegrit\u00e4t<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Obwohl schr\u00e4ge Schraubenfedern in zyklischen Umgebungen hervorragend funktionieren, sind Materialauswahl und Oberfl\u00e4chenbehandlung weiterhin entscheidend.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Tabelle 1: H\u00e4ufige Ursachen f\u00fcr Kontaktkraftverlust<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Ursache<\/th><th>Prim\u00e4rer Risikofaktor<\/th><th>Typische Auswirkungen<\/th><\/tr><\/thead><tbody><tr><td>Entspannung von Stress<\/td><td>Zeit + Temperatur<\/td><td>Allm\u00e4hlicher Kraftabbau<\/td><\/tr><tr><td>Kriechen des Materials<\/td><td>Hohe Belastung, hohe Hitze<\/td><td>Dauerhafte Verformung<\/td><\/tr><tr><td>\u00dcberkomprimierung<\/td><td>Schlechte Dimensionierung<\/td><td>Unmittelbarer Kraftverlust<\/td><\/tr><tr><td>Fehlkonstruktion der Rille<\/td><td>Fehler bei der Installation<\/td><td>Ungleichm\u00e4\u00dfige Lastverteilung<\/td><\/tr><tr><td>Erm\u00fcdungsbedingter Verschlei\u00df<\/td><td>Hohe Zykluszahl<\/td><td>Langfristige Verschlechterung<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Verhinderung des Kontaktkraftverlusts bei kantigen Spiralfedern<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. W\u00e4hlen Sie das richtige Material<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Hochleistungslegierungen reduzieren den Kraftverlust erheblich:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Material<\/th><th>Hauptvorteil<\/th><\/tr><\/thead><tbody><tr><td>Elgiloy\u00ae.<\/td><td>Ausgezeichnete Erm\u00fcdungs- und Entspannungsfestigkeit<\/td><\/tr><tr><td>MP35N<\/td><td>Hohe Festigkeit, Korrosionsbest\u00e4ndigkeit<\/td><\/tr><tr><td>Inconel\u00ae.<\/td><td>Hervorragende Stabilit\u00e4t bei hohen Temperaturen<\/td><\/tr><tr><td>Beryllium-Kupfer<\/td><td>Ideal f\u00fcr elektrische Leitf\u00e4higkeit<\/td><\/tr><tr><td>Hastelloy\u00ae.<\/td><td>Extreme chemische Umgebungen<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">2. Optimieren der Federgeometrie<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ordnungsgem\u00e4\u00dfe Kontrolle von:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Winkel der Spule<\/li>\n\n\n\n<li>Drahtdurchmesser<\/li>\n\n\n\n<li>Freie H\u00f6he<\/li>\n\n\n\n<li>Gleichm\u00e4\u00dfigkeit der Teilung<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">sorgt f\u00fcr eine ausgewogene Spannungsverteilung und langfristige Kraftstabilit\u00e4t.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">3. Kontrolle der Betriebstemperatur<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">W\u00e4hlen Sie immer bewertete Materialien und Designs <strong>\u00fcber<\/strong> tats\u00e4chlichen Betriebstemperaturen, um eine Sicherheitsspanne gegen Relaxation und Kriechen zu schaffen.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">4. Befolgen Sie die Richtlinien f\u00fcr die korrekte Gestaltung von Rillen<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Pr\u00e4zisionsgefertigte Rillen mit glatten Oberfl\u00e4chen und korrekten Toleranzen verl\u00e4ngern die Lebensdauer der Feder erheblich.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">5. Verwenden Sie Pr\u00e4zisionsfertigung und W\u00e4rmebehandlung<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Moderne Umformverfahren und kontrollierte W\u00e4rmebehandlung verbessern die Qualit\u00e4t:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Stabilit\u00e4t des Korngef\u00fcges<\/li>\n\n\n\n<li>Elastische Erholung<\/li>\n\n\n\n<li>Konsistenz der Kraftspeicherung<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Tabelle 2: Design-Strategien vs. Leistungsauswirkungen<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Design-Strategie<\/th><th>Nutzen Sie<\/th><\/tr><\/thead><tbody><tr><td>Hochwertige Legierung<\/td><td>Reduzierte Kriechf\u00e4higkeit und Entspannung<\/td><\/tr><tr><td>Optimierte Ablenkung<\/td><td>Verhindert plastische Verformung<\/td><\/tr><tr><td>Pr\u00e4zisionsrille<\/td><td>Gleichm\u00e4\u00dfige Kraftverteilung<\/td><\/tr><tr><td>Benutzerdefinierte Lasteinstellung<\/td><td>Anwendungsspezifische Zuverl\u00e4ssigkeit<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Gekantete Spiralfedern zur Vermeidung von Kontaktkraftverlusten<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Abgewinkelte HANDA-Schraubenfedern sind so konstruiert, dass sie bei anspruchsvollen Dichtungs-, elektrischen Kontakt- und EMI-Abschirmungsanwendungen eine langfristige, stabile Kontaktkraft liefern. Im Gegensatz zu konventionellen Federn, bei denen es zu einer schnellen Spannungsrelaxation kommt, verteilt die pr\u00e4zisionsgefertigte abgewinkelte Spiralform von HANDA die Last gleichm\u00e4\u00dfig \u00fcber die gesamte Feder und minimiert so lokale Spannungen und den Kraftabfall im Laufe der Zeit.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hergestellt aus hochwertigen Materialien wie Edelstahl, Elgiloy\u00ae, MP35N, Inconel\u00ae, Hastelloy\u00ae und Berylliumkupfer, bieten unsere gebogenen Schraubenfedern eine au\u00dfergew\u00f6hnliche Best\u00e4ndigkeit gegen Kriechen, Erm\u00fcdung, Korrosion und hohe Temperaturen. Eine fortschrittliche W\u00e4rmebehandlung und eine strenge Ma\u00dfkontrolle verbessern die elastische R\u00fcckstellung und die langfristige Leistung weiter.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">HANDA-Federn halten die Kraft \u00fcber einen weiten Auslenkungsbereich konstant, wodurch sie sich sowohl f\u00fcr statische als auch f\u00fcr dynamische Umgebungen eignen. Zu den Anwendungen geh\u00f6ren Luft- und Raumfahrtsysteme, medizinische Ger\u00e4te, Halbleiterausr\u00fcstung, Ventile, Steckverbinder und EMI\/RFI-Abschirmungsbaugruppen.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kundenspezifische Federgr\u00f6\u00dfen, Belastungsprofile und Materialoptionen sind erh\u00e4ltlich, um die genauen Anwendungsanforderungen zu erf\u00fcllen. Durch die Wahl von gekanteten HANDA-Schraubenfedern k\u00f6nnen Ingenieure effektiv Kontaktkraftverluste verhindern, die Systemzuverl\u00e4ssigkeit verbessern und die Produktlebensdauer verl\u00e4ngern.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Schlussfolgerung<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Gekantete Schraubenfedern verlieren nicht zuf\u00e4llig die Kontaktkraft.<strong>Der Kraftabbau ist das Ergebnis identifizierbarer mechanischer, thermischer und konstruktionsbedingter Faktoren.<\/strong>. Durch das Verst\u00e4ndnis von Spannungsrelaxation, Materialkriechen, Temperatureinfl\u00fcssen und Konstruktionsprinzipien von Nuten k\u00f6nnen Ingenieure fundierte Entscheidungen treffen, die die Lebensdauer von Federn erheblich verl\u00e4ngern.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Bei richtiger Materialauswahl, optimierter Geometrie und Pr\u00e4zisionsfertigung k\u00f6nnen gekantete Schraubenfedern eine zuverl\u00e4ssige Kontaktkraft \u00fcber Millionen von Zyklen aufrechterhalten - selbst in den anspruchsvollsten Umgebungen.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.handaspring.com\/contact\/\" title=\"\">KONTAKT US<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>Warum verlieren kantige Schraubenfedern mit der Zeit an Kontaktkraft? Erfahren Sie mehr \u00fcber die Hauptursachen wie Spannungsrelaxation, Materialkriechen, Temperatureinfl\u00fcsse und Fehler in der Nutkonstruktion sowie bew\u00e4hrte L\u00f6sungen zur Erhaltung der langfristigen Federleistung. Geneigte Spiralfedern werden h\u00e4ufig in hochzuverl\u00e4ssigen Anwendungen wie elektrischen Kontakten, EMI\/RFI-Abschirmungen, Pr\u00e4zisionsdichtungen, Ventilen und medizinischen Ger\u00e4ten eingesetzt. Ihre [...]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"benner":[],"class_list":["post-2937","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"acf":[],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO Pro 4.9.8 - aioseo.com -->\n\t<meta name=\"description\" content=\"Why do canted coil springs lose contact force over time? Explore the key causes such as stress relaxation, material creep, temperature effects, and groove design errors\u2014plus proven solutions to maintain long-term spring performance. Canted coil springs are widely used in high-reliability applications such as electrical contacts, EMI\/RFI shielding, precision seals, valves, and medical devices. 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Explore the key causes such as stress relaxation, material creep, temperature effects, and groove design errors\u2014plus proven solutions to maintain long-term spring performance. Canted coil springs are widely used in high-reliability applications such as electrical contacts, EMI\/RFI shielding, precision seals, valves, and medical devices. 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