{"id":2941,"date":"2022-02-03T08:36:16","date_gmt":"2022-02-03T14:36:16","guid":{"rendered":"https:\/\/www.IpsenHarold.com\/?p=2941"},"modified":"2026-03-11T17:23:34","modified_gmt":"2026-03-11T17:23:34","slug":"how-do-diffusion-pumps-work","status":"publish","type":"knowledge-center","link":"https:\/\/ipsenglobal.com\/it\/knowledge-center\/how-do-diffusion-pumps-work\/","title":{"rendered":"Chiedi all'esperto: come funziona una pompa di diffusione?"},"content":{"rendered":"<div class=\"wp-block-image\">\n<figure class=\"alignleft size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/ipsenglobal.com\/wp-content\/uploads\/2022\/03\/mikros-113.jpg\" alt=\"Ipsen vacuum furnace diffusion pump\" class=\"wp-image-3589\" srcset=\"https:\/\/ipsenglobal.com\/wp-content\/uploads\/2022\/03\/mikros-113.jpg 1024w, https:\/\/ipsenglobal.com\/wp-content\/uploads\/2022\/03\/mikros-113-300x169.jpg 300w, https:\/\/ipsenglobal.com\/wp-content\/uploads\/2022\/03\/mikros-113-768x432.jpg 768w, https:\/\/ipsenglobal.com\/wp-content\/uploads\/2022\/03\/mikros-113-18x10.jpg 18w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\">Le basi dei sistemi di pompaggio per forni a vuoto<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">I sistemi di forni a vuoto utilizzano vari tipi di pompe per evacuare la pressione atmosferica dalla camera per raggiungere i livelli di vuoto richiesti. Ci sono tipicamente due sottosistemi inclusi in ogni sistema di pompaggio per forni a vuoto: la pompa di sgrossatura e la pompa di aumento del vuoto. L'aggiunta di una pompa di diffusione risulter\u00e0 in una pressione di sistema inferiore a quella che pu\u00f2 essere raggiunta con il solo sistema a due stadi. La pompa di diffusione non pu\u00f2 funzionare in modo indipendente; richiede una pompa di mantenimento per funzionare simultaneamente durante le modalit\u00e0 di inattivit\u00e0 per ridurre la pressione interna della pompa di diffusione. Durante il funzionamento della pompa di diffusione, la valvola della pompa di mantenimento \u00e8 isolata e le pompe di sgrossatura e di rilancio fungono da sistema di supporto per la pompa di diffusione. Una pompa di diffusione ridurr\u00e0 il livello di vuoto dalla pressione atmosferica a un livello di 8,0 x 10<sup>-6<\/sup>&nbsp;Torr, rispetto al 4,5 x 10<sup>-2<\/sup>&nbsp;Torr con il sistema a due stadi (in un forno pulito, asciutto e vuoto).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Come funzionano le pompe a diffusione?<\/h3>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/ipsenglobal.com\/wp-content\/uploads\/2022\/03\/Diff-Pumps-1024x576.jpg\" alt=\"Agilent Diffusion Pump\" class=\"wp-image-3590\" srcset=\"https:\/\/ipsenglobal.com\/wp-content\/uploads\/2022\/03\/Diff-Pumps-1024x576.jpg 1024w, https:\/\/ipsenglobal.com\/wp-content\/uploads\/2022\/03\/Diff-Pumps-300x169.jpg 300w, https:\/\/ipsenglobal.com\/wp-content\/uploads\/2022\/03\/Diff-Pumps-768x432.jpg 768w, https:\/\/ipsenglobal.com\/wp-content\/uploads\/2022\/03\/Diff-Pumps-18x10.jpg 18w, https:\/\/ipsenglobal.com\/wp-content\/uploads\/2022\/03\/Diff-Pumps.jpg 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">Affinch\u00e9 la pompa di diffusione funzioni correttamente, le valvole principali e di testa devono essere aperte, permettendo al forno di funzionare in alto vuoto. Il fluido nella parte inferiore della pompa viene riscaldato fino all'ebollizione e spinto verso l'alto attraverso il centro del gruppo del getto. Le molecole supersoniche di nebbia d'olio sparano verso il basso dagli ugelli del getto, forzando le molecole di gas pi\u00f9 leggere verso il fondo della pompa. Le molecole di gas sono raccolte all'ugello di espulsione e tirate fuori dalla pompa dal sistema di pompaggio. L'olio, al contatto con le pareti laterali fredde, ritorna alla forma liquida e si raccoglie sul fondo della pompa per essere riscaldato. Per pensarci in un altro modo, una pompa a diffusione funziona in modo simile a una caffettiera.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/ipsenglobal.com\/wp-content\/uploads\/2022\/03\/Diff-Pumps-2-1024x576.jpg\" alt=\"Agilent Diffusion Pump\" class=\"wp-image-3591\" srcset=\"https:\/\/ipsenglobal.com\/wp-content\/uploads\/2022\/03\/Diff-Pumps-2-1024x576.jpg 1024w, https:\/\/ipsenglobal.com\/wp-content\/uploads\/2022\/03\/Diff-Pumps-2-300x169.jpg 300w, https:\/\/ipsenglobal.com\/wp-content\/uploads\/2022\/03\/Diff-Pumps-2-768x432.jpg 768w, https:\/\/ipsenglobal.com\/wp-content\/uploads\/2022\/03\/Diff-Pumps-2-18x10.jpg 18w, https:\/\/ipsenglobal.com\/wp-content\/uploads\/2022\/03\/Diff-Pumps-2.jpg 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<h3 class=\"wp-block-heading\">Ho bisogno di una pompa di diffusione?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Se avete bisogno o meno di una pompa a diffusione dipende dai vostri requisiti di processo. Molte industrie, comprese quelle aerospaziali e nucleari, richiedono un funzionamento ad alto vuoto nelle loro procedure operative standard. Alcuni processi, come la brasatura, richiedono anche una pressione di sistema pi\u00f9 bassa per produrre pezzi pi\u00f9 puliti. Allo stesso modo, se state lavorando leghe di alta gamma, una pompa a diffusione aiuter\u00e0 i pezzi ad uscire puliti e brillanti. D'altra parte, la maggior parte delle applicazioni di tempra non richiede una pompa di diffusione.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Per ulteriori informazioni sulle pompe a diffusione, controlla queste utili risorse:<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/ipsenglobal.com\/it\/knowledge-center\/12-things-to-avoid-when-using-a-diffusion-pump\/\">12 cose da evitare quando si usa una pompa di diffusione<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.agilent.com\/cs\/library\/technicaloverviews\/public\/Maintenance%20and%20Troubleshooting%20of%20Oil%20Diffusion%20Pumps.pdf\">Manutenzione e risoluzione dei problemi delle pompe di diffusione dell'olio<\/a><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Ipsen, la vostra unica fonte per tutti i componenti dei forni per vuoto, offre prezzi OEM su pompe e parti e dispone di scorte in magazzino. Per nuove pompe per vuoto, parti di ricambio, servizi correlati o per qualsiasi altra domanda, chiamare il Servizio Clienti Ipsen al numero <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 wp-block-paragraph\">Per ulteriori consigli utili, visitate il nostro&nbsp;<a href=\"https:\/\/ipsenglobal.com\/it\/category\/ask-the-expert\/\" target=\"_blank\" rel=\"noreferrer noopener\">Pagina Chiedi all'esperto<\/a>.<\/p>\n\n\n\n<h5 class=\"wp-block-heading\">Avete una domanda tecnica relativa al trattamento termico o al funzionamento e alla manutenzione dei forni a vuoto?<\/h5>\n\n\n\n<div style=\"height:15px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n    <section id=\"button-block_0d700f53dff8299e6d5362d29ffa9e0d\"\n        class=\"button-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\/it\/connect-with-an-expert\/\" target=\"_blank\">\n            Collegatevi con un esperto Ipsen        <\/a>\n    <\/section>","protected":false},"excerpt":{"rendered":"<p>Le basi dei sistemi di pompaggio per forni a vuoto I sistemi di forni a vuoto utilizzano vari tipi di pompe per evacuare la pressione atmosferica dalla camera e raggiungere i livelli di vuoto richiesti. In genere ci sono<\/p>","protected":false},"author":7,"featured_media":2799,"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":[112,654],"tags":[135,472,75,557],"class_list":["post-2941","knowledge-center","type-knowledge-center","status-publish","has-post-thumbnail","hentry","category-ask-the-expert","category-pumping-systems","tag-brazing","tag-diffusion-pump","tag-vacuum-furnace","tag-vacuum-pumps"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Ask the Expert: How Does a Diffusion Pump Work? - Ipsen Global<\/title>\n<meta name=\"description\" content=\"The use of diffusion pumps allows for a lower system pressure than roughing and booster pumps alone. 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