{"id":2288,"date":"2020-09-22T08:22:35","date_gmt":"2020-09-22T13:22:35","guid":{"rendered":"https:\/\/www.IpsenHarold.com\/?p=2288"},"modified":"2026-04-15T19:05:42","modified_gmt":"2026-04-15T19:05:42","slug":"can-i-replace-a-graphite-hot-zone-with-an-all-metal-one","status":"publish","type":"knowledge-center","link":"https:\/\/ipsenglobal.com\/fr\/knowledge-center\/can-i-replace-a-graphite-hot-zone-with-an-all-metal-one\/","title":{"rendered":"Demandez \u00e0 l'expert : Puis-je remplacer une zone chaude en graphite par une zone chaude tout en m\u00e9tal ?"},"content":{"rendered":"<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/ipsenglobal.com\/wp-content\/uploads\/2022\/03\/B_Roll.03_18_44_08.Still026-1024x576.jpg\" alt=\"loading parts into an Ipsen vacuum furnace\" class=\"wp-image-3545\" srcset=\"https:\/\/ipsenglobal.com\/wp-content\/uploads\/2022\/03\/B_Roll.03_18_44_08.Still026-1024x576.jpg 1024w, https:\/\/ipsenglobal.com\/wp-content\/uploads\/2022\/03\/B_Roll.03_18_44_08.Still026-300x169.jpg 300w, https:\/\/ipsenglobal.com\/wp-content\/uploads\/2022\/03\/B_Roll.03_18_44_08.Still026-768x432.jpg 768w, https:\/\/ipsenglobal.com\/wp-content\/uploads\/2022\/03\/B_Roll.03_18_44_08.Still026-1536x864.jpg 1536w, https:\/\/ipsenglobal.com\/wp-content\/uploads\/2022\/03\/B_Roll.03_18_44_08.Still026-18x10.jpg 18w, https:\/\/ipsenglobal.com\/wp-content\/uploads\/2022\/03\/B_Roll.03_18_44_08.Still026.jpg 1920w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Cette question se pose parfois lorsqu'une entreprise cherche \u00e0 \u00e9tendre ses capacit\u00e9s de traitement thermique, lorsque les pi\u00e8ces ou les proc\u00e9d\u00e9s ont chang\u00e9, ou lorsque la zone chaude d'un four a atteint sa capacit\u00e9 d'utilisation.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Du graphite au tout m\u00e9tal<\/h2>\n\n\n\n<p>Si vous traitez des pi\u00e8ces sensibles telles que le titane ou l'acier inoxydable, une zone chaude m\u00e9tallique offrira un environnement de travail plus propre avec une probabilit\u00e9 moindre de pi\u00e8ces contamin\u00e9es. Pensez \u00e9galement \u00e0 la fa\u00e7on dont vos mat\u00e9riaux peuvent r\u00e9agir avec les carbones dans un four en graphite. La poussi\u00e8re de graphite abaisse les temp\u00e9ratures de fusion et peut avoir un effet n\u00e9faste sur les mat\u00e9riaux. <strong>-<\/strong> m\u00eame <a href=\"https:\/\/ipsenglobal.com\/fr\/knowledge-center\/understanding-eutectics-a-guide-for-heat-treating-professionals\/\" type=\"knowledge-center\" id=\"12097\" target=\"_blank\" rel=\"noreferrer noopener\">r\u00e9actions eutectiques<\/a> <strong>-<\/strong> sur certains mat\u00e9riaux.<\/p>\n\n\n\n<p>Si votre cycle exige des temp\u00e9ratures et des taux de rampe \u00e9lev\u00e9s, une zone chaude enti\u00e8rement m\u00e9tallique est capable d'atteindre des temp\u00e9ratures sup\u00e9rieures \u00e0 2 400 \u00b0F et de chauffer \u00e0 un taux de rampe maximal de 75 \u00b0F par minute. Une zone chaude enti\u00e8rement m\u00e9tallique est \u00e9galement capable d'atteindre un taux de fuite plus faible qu'une zone en graphite, ce qui est souvent n\u00e9cessaire pour traiter des pi\u00e8ces destin\u00e9es aux industries a\u00e9rospatiale et m\u00e9dicale. <\/p>\n\n\n\n<p>Les zones chaudes enti\u00e8rement m\u00e9talliques n\u00e9cessitent un bloc d'alimentation de plus grande capacit\u00e9.  <strong>-<\/strong> car ils subissent une perte de chaleur plus importante <strong>-<\/strong> La premi\u00e8re chose que notre sp\u00e9cialiste de l'apr\u00e8s-vente devra donc v\u00e9rifier est que votre four dispose d'un transformateur suffisamment grand. Si le transformateur doit \u00eatre remplac\u00e9, cela entra\u00eenera des co\u00fbts suppl\u00e9mentaires. Il est plus probable que l'alimentation \u00e9lectrique doive \u00eatre remplac\u00e9e sur les mod\u00e8les de four plus grands.<\/p>\n\n\n\n<p>Il est possible de remplacer votre zone chaude en graphite par une zone chaude enti\u00e8rement m\u00e9tallique ; toutefois, plusieurs variables doivent \u00eatre prises en compte, notamment l'alimentation \u00e9lectrique, les mat\u00e9riaux et les processus existants. Il est \u00e9galement important de garder \u00e0 l'esprit que les zones chaudes m\u00e9talliques n\u00e9cessitent plus d'entretien et ne durent g\u00e9n\u00e9ralement pas aussi longtemps que les zones chaudes en graphite.<\/p>\n\n\n\n<p>Une alternative au remplacement de l'ensemble de la zone chaude en graphite par une conception enti\u00e8rement m\u00e9tallique consiste \u00e0 remplacer uniquement le mat\u00e9riau de l'\u00e9l\u00e9ment chauffant par du molybd\u00e8ne. Cela peut permettre au four de monter en temp\u00e9rature plus rapidement, tout en conservant les propri\u00e9t\u00e9s de perte de chaleur inf\u00e9rieures d'une zone chaude isol\u00e9e en graphite. Un repr\u00e9sentant du service client\u00e8le d'Ipsen peut \u00e9valuer votre four et \u00e9tudier la faisabilit\u00e9 de cette option.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Du tout m\u00e9tal au graphite<\/h2>\n\n\n\n<p>Les zones chaudes en graphite sont plus durables, moins co\u00fbteuses, n\u00e9cessitent moins d'entretien et sont plus efficaces sur le plan \u00e9nerg\u00e9tique que les zones chaudes en m\u00e9tal. Le graphite est \u00e9galement plus r\u00e9sistant \u00e0 certains proc\u00e9d\u00e9s de brasage. Si votre proc\u00e9d\u00e9 ne r\u00e9pond pas aux crit\u00e8res susmentionn\u00e9s pour une zone chaude en m\u00e9tal, son remplacement par une zone chaude en graphite peut vous faire gagner du temps et de l'argent \u00e0 long terme. Les zones chaudes en graphite n\u00e9cessitant \u00e9galement moins d'\u00e9nergie, vous n'aurez probablement pas \u00e0 ajuster l'alimentation \u00e9lectrique.<\/p>\n\n\n\n<p>Le changement de type de zone chaude peut \u00eatre effectu\u00e9 avec succ\u00e8s, mais nous ne recommandons pas de le faire sans consultation technique. Les ing\u00e9nieurs commerciaux d'Ipsen peuvent vous aider \u00e0 d\u00e9terminer la meilleure option pour vos besoins sp\u00e9cifiques.<\/p>\n\n\n\n<p>Si vous avez des questions sur le remplacement des zones chaudes, contactez-nous \u00e0 l'adresse suivante<br><a href=\"mailto:EngineeredComponents@IpsenUSA.com\">EngineeredComponents@IpsenUSA.com<\/a> ou appeler <strong>1-844-GO-IPSEN<\/strong>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<p class=\"has-text-align-left\">Vous avez une question sur le traitement thermique ?<\/p>\n\n\n\n    <section id=\"button-block_f50bba2a6afbc5b599b96106c81ea77d\"\n        class=\"button alignleft-custom-block d-block d-lg-inline-block mx-auto me-lg-5 mb-4\">\n        <a class=\"btn btn-outline-secondary\" href=\"https:\/\/ipsenglobal.com\/fr\/connect-with-an-expert\/\" target=\"_self\">\n            Se connecter avec un expert        <\/a>\n    <\/section>","protected":false},"excerpt":{"rendered":"<p>Cette question se pose parfois lorsqu'une entreprise cherche \u00e0 \u00e9tendre ses capacit\u00e9s de traitement thermique, lorsque les pi\u00e8ces ou les proc\u00e9d\u00e9s ont chang\u00e9 ou lorsque la zone chaude d'un four a atteint sa limite.<\/p>","protected":false},"author":7,"featured_media":2351,"menu_order":0,"template":"","meta":{"_acf_changed":false,"_tec_requires_first_save":true,"_searchwp_excluded":"","_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_price":"","_stock":"","_tribe_ticket_header":"","_tribe_default_ticket_provider":"","_tribe_ticket_capacity":"0","_ticket_start_date":"","_ticket_end_date":"","_tribe_ticket_show_description":"","_tribe_ticket_show_not_going":false,"_tribe_ticket_use_global_stock":"","_tribe_ticket_global_stock_level":"","_global_stock_mode":"","_global_stock_cap":"","_tribe_rsvp_for_event":"","_tribe_ticket_going_count":"","_tribe_ticket_not_going_count":"","_tribe_tickets_list":"[]","_tribe_ticket_has_attendee_info_fields":false,"_EventAllDay":false,"_EventTimezone":"","_EventStartDate":"","_EventEndDate":"","_EventStartDateUTC":"","_EventEndDateUTC":"","_EventShowMap":false,"_EventShowMapLink":false,"_EventURL":"","_EventCost":"","_EventCostDescription":"","_EventCurrencySymbol":"","_EventCurrencyCode":"","_EventCurrencyPosition":"","_EventDateTimeSeparator":"","_EventTimeRangeSeparator":"","_EventOrganizerID":[],"_EventVenueID":[],"_OrganizerEmail":"","_OrganizerPhone":"","_OrganizerWebsite":"","_VenueAddress":"","_VenueCity":"","_VenueCountry":"","_VenueProvince":"","_VenueState":"","_VenueZip":"","_VenuePhone":"","_VenueURL":"","_VenueStateProvince":"","_VenueLat":"","_VenueLng":"","_VenueShowMap":false,"_VenueShowMapLink":false,"_tribe_blocks_recurrence_rules":"","_tribe_blocks_recurrence_description":"","_tribe_blocks_recurrence_exclusions":"","_ecp_custom_2":"","footnotes":""},"categories":[112],"tags":[135,25,75],"class_list":["post-2288","knowledge-center","type-knowledge-center","status-publish","has-post-thumbnail","hentry","category-ask-the-expert","tag-brazing","tag-hot-zone","tag-vacuum-furnace"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Replacing a Graphite Hot Zone with a Metal Hot Zone - Ipsen Global<\/title>\n<meta name=\"description\" content=\"Ipsen experts answer your questions about graphite and metal hot zone replacements. 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