{"id":453,"date":"2020-12-31T13:10:43","date_gmt":"2020-12-31T13:10:43","guid":{"rendered":"http:\/\/furniture.oceanwp.org\/?p=453"},"modified":"2021-10-09T03:29:38","modified_gmt":"2021-10-09T03:29:38","slug":"what-are-the-methods-to-prolong-spring-service-life","status":"publish","type":"post","link":"https:\/\/www.metalwireforms.com\/fr\/what-are-the-methods-to-prolong-spring-service-life.html","title":{"rendered":"Quelles sont les m\u00e9thodes pour prolonger la dur\u00e9e de vie du ressort"},"content":{"rendered":"<ol class=\"wp-block-list\"><li class=\" translation-block\">Retrempe du ressort.<br>Pour les ressorts de plus petits diam\u00e8tres ou de trempabilit\u00e9 satisfaisante, il est possible d'utiliser le retrempe, ce qui peut non seulement r\u00e9duire le d\u00e9centrage, mais aussi am\u00e9liorer la r\u00e9sistance \u00e9lev\u00e9e. Il est pr\u00e9f\u00e9rable d'effectuer une autre trempe apr\u00e8s la trempe pour augmenter la limite \u00e9lastique. La temp\u00e9rature de trempe est la m\u00eame que la temp\u00e9rature de trempe.<\/li><li class=\" translation-block\">Traitement thermique de d\u00e9formation.<br>Le traitement thermique thermom\u00e9canique est une combinaison de renforcement de d\u00e9formation de l'acier et de renforcement de traitement thermique pour am\u00e9liorer encore la r\u00e9sistance et la r\u00e9sistance de l'acier. Le traitement thermique thermom\u00e9canique est divis\u00e9 en haute temp\u00e9rature, temp\u00e9rature moyenne et basse temp\u00e9rature. Le traitement thermique de d\u00e9formation \u00e0 haute temp\u00e9rature est tremp\u00e9 imm\u00e9diatement apr\u00e8s la d\u00e9formation dans un \u00e9tat d'aust\u00e9nite stable, ou peut \u00eatre combin\u00e9 avec le forgeage ou le laminage \u00e0 chaud, c'est-\u00e0-dire tremp\u00e9 imm\u00e9diatement apr\u00e8s le formage \u00e0 chaud.<\/li><li class=\" translation-block\">Le traitement l\u00e2che du ressort.<br>Si le ressort est actionn\u00e9 sous une force externe pendant une longue p\u00e9riode, une l\u00e9g\u00e8re d\u00e9formation plastique se produira en raison du rel\u00e2chement de la contrainte. Surtout pour le ressort actionn\u00e9 \u00e0 haute temp\u00e9rature, le ph\u00e9nom\u00e8ne de rel\u00e2chement des contraintes est plus grave \u00e0 haute temp\u00e9rature, ce qui r\u00e9duit la pr\u00e9cision du ressort. Ce n'est pas le cas pour les ressorts fins en g\u00e9n\u00e9ral. Autoris\u00e9. Par cons\u00e9quent, ce type de ressort doit \u00eatre desserr\u00e9 apr\u00e8s la trempe et le revenu. Proc\u00e9d\u00e9 de traitement thermique : pr\u00e9charger le ressort de mani\u00e8re \u00e0 ce que sa d\u00e9formation d\u00e9passe la d\u00e9formation pouvant survenir lors du fonctionnement du ressort. Ensuite, chauffez-le \u00e0 20 de plus que la temp\u00e9rature de fonctionnement pendant 8 \u00e0 24 h.<\/li><li class=\" translation-block\">Grenaillage.<br>Le grenaillage est l'une des m\u00e9thodes les plus utilis\u00e9es pour am\u00e9liorer l'apparence des ressorts. Les ressorts n\u00e9cessitent une qualit\u00e9 d'apparence \u00e9lev\u00e9e. Les d\u00e9fauts de surface tels que les rayures, les plis et la d\u00e9carburation oxydative ont tendance \u00e0 devenir des sources locales de fracture de fatigue et de concentration de contraintes pendant le fonctionnement du ressort. Si des grenailles d'acier fines sont utilis\u00e9es pour pulv\u00e9riser la surface du ressort \u00e0 grande vitesse et effectuer un grenaillage, cela am\u00e9liorera non seulement l'apparence du ressort, mais augmentera \u00e9galement la r\u00e9sistance de l'apparence et rendra l'apparence dans un \u00e9tat de compression contrainte, augmentant ainsi la r\u00e9sistance \u00e0 la fatigue et la dur\u00e9e de vie du ressort.<\/li><li class=\" translation-block\">Carbonitruration \u00e0 basse temp\u00e9rature.<br>En ce qui concerne le ressort h\u00e9lico\u00efdal, la combinaison de la technologie de trempe et de carbonitruration \u00e0 basse temp\u00e9rature (nitrocarburation) peut am\u00e9liorer consid\u00e9rablement la dur\u00e9e de vie en fatigue et la r\u00e9sistance \u00e0 la corrosion du ressort.<\/li><\/ol>","protected":false},"excerpt":{"rendered":"<p>Austempering du ressort.Pour les ressorts ayant un diam\u00e8tre plus petit ou une trempabilit\u00e9 satisfaisante, on peut utiliser l'austempering, qui permet non seulement de r\u00e9duire le d\u00e9centrage, mais aussi d'am\u00e9liorer la r\u00e9sistance. Il est pr\u00e9f\u00e9rable d'effectuer un autre revenu apr\u00e8s l'austempering pour augmenter la limite \u00e9lastique. La temp\u00e9rature de revenu est la m\u00eame que celle de l'austempering. Traitement thermique de d\u00e9formation.Traitement thermique thermom\u00e9canique 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