{"id":6247,"date":"2026-05-27T14:22:58","date_gmt":"2026-05-27T06:22:58","guid":{"rendered":"https:\/\/www.vacuum-sintering.com\/?p=6247"},"modified":"2026-06-06T17:27:46","modified_gmt":"2026-06-06T09:27:46","slug":"haoyue-vacuum-furnace-troubleshooting-guide-common-problems-solutions-free-download","status":"publish","type":"post","link":"https:\/\/www.vacuum-sintering.com\/fr\/haoyue-vacuum-furnace-troubleshooting-guide-common-problems-solutions-free-download\/","title":{"rendered":"Guide de d\u00e9pannage des fournaises sous vide HAOYUE \u2013 Probl\u00e8mes courants et solutions \u2013 T\u00e9l\u00e9chargement gratuit"},"content":{"rendered":"
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Guide de d\u00e9pannage professionnel pour fours sous vide.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

\n\t\t\t\t\t
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\n \"HAOYUE\n

\n Guide de d\u00e9pannage des fournaises sous vide HAOYUE\n <\/h1>\n

\n Diagnostiquez et r\u00e9solvez rapidement les probl\u00e8mes courants des fours sous vide \u2014 des pannes du syst\u00e8me de vide aux probl\u00e8mes de contr\u00f4le de la temp\u00e9rature, en passant par les d\u00e9fauts des \u00e9l\u00e9ments chauffants et les anomalies de qualit\u00e9 du processus.\n <\/p>\n \n \u2b07 T\u00c9L\u00c9CHARGEMENT GRATUIT (XLSX)\n <\/a>\n

Mod\u00e8le de d\u00e9pannage syst\u00e9matique \u2022 Aucune inscription requise \u2022 Compatible avec Excel et Google Sheets<\/p>\n<\/div>\n\n

\n

\n Que contient ce guide de d\u00e9pannage\u00a0?\n <\/h2>\n

\n Un cadre syst\u00e9matique de r\u00e9solution de probl\u00e8mes couvrant tous les principaux sous-syst\u00e8mes de votre four sous vide \u2014 con\u00e7u pour les ing\u00e9nieurs de maintenance, les techniciens de service sur le terrain et les op\u00e9rateurs d'usine.\n <\/p>\n

\n
\n

\ud83d\udd0d Probl\u00e8mes li\u00e9s au syst\u00e8me d'aspiration<\/h3>\n

Incapacit\u00e9 \u00e0 atteindre le vide cible, pompage lent, vitesse de mont\u00e9e en pression trop \u00e9lev\u00e9e. Analyse des causes profondes des probl\u00e8mes de pompe, de vanne, de joint et de fuite.<\/p>\n <\/div>\n

\n

\ud83c\udf21 Contr\u00f4le de la temp\u00e9rature<\/h3>\n

D\u00e9passement de temp\u00e9rature, mauvaise uniformit\u00e9, mont\u00e9e en temp\u00e9rature lente. Diagnostic de la d\u00e9rive du thermocouple, du r\u00e9glage PID, des d\u00e9fauts du r\u00e9gulateur de puissance et du d\u00e9s\u00e9quilibre de la zone de chauffage.<\/p>\n <\/div>\n

\n

\u26a1 D\u00e9fauts de l'\u00e9l\u00e9ment chauffant<\/h3>\n

Circuit ouvert, d\u00e9faut \u00e0 la terre, d\u00e9coloration des \u00e9l\u00e9ments. Mesure de r\u00e9sistance \u00e9tape par \u00e9tape, protocoles d'inspection visuelle et d\u00e9clencheurs de remplacement.<\/p>\n <\/div>\n

\n

\ud83d\udca7 Pannes du syst\u00e8me de refroidissement<\/h3>\n

D\u00e9bit de refroidissement insuffisant, probl\u00e8mes de qualit\u00e9 de l'eau, cavitation de la pompe, alarmes du d\u00e9bitm\u00e8tre. Diagnostic des performances du syst\u00e8me de refroidissement.<\/p>\n <\/div>\n

\n

\ud83d\udce6 Probl\u00e8mes de qualit\u00e9 des processus<\/h3>\n

D\u00e9coloration des pi\u00e8ces, r\u00e9sultats de frittage irr\u00e9guliers, oxydation superficielle. Diagnostic des probl\u00e8mes li\u00e9s \u00e0 la contamination atmosph\u00e9rique, aux r\u00e9sidus de liant et au profil thermique.<\/p>\n <\/div>\n

\n

\ud83d\udd0c Syst\u00e8me \u00e9lectrique<\/h3>\n

D\u00e9fauts de SCR, d\u00e9faillances de contacteurs, d\u00e9clenchements pour surintensit\u00e9, erreurs de logique de commande. Diagnostic des syst\u00e8mes d'alimentation et de commande avec sch\u00e9mas de c\u00e2blage.<\/p>\n <\/div>\n <\/div>\n<\/div>\n\n

\n

\n Avantages de l'utilisation de ce guide\n <\/h2>\n
\n
\n
\u23f1<\/div>\n

R\u00e9duisez les temps d'arr\u00eat<\/h3>\n

D\u00e9tecter et r\u00e9soudre les probl\u00e8mes plus rapidement gr\u00e2ce \u00e0 un diagnostic syst\u00e9matique<\/p>\n <\/div>\n

\n
\ud83d\udccb<\/div>\n

Processus normalis\u00e9<\/h3>\n

D\u00e9pannage uniforme pour tous les quarts de travail et tous les techniciens<\/p>\n <\/div>\n

\n
\ud83e\udde0<\/div>\n

Base de connaissances<\/h3>\n

Constituez une biblioth\u00e8que organis\u00e9e des pannes courantes et de leurs solutions.<\/p>\n <\/div>\n

\n
\ud83d\udcb0<\/div>\n

\u00c9conomies de co\u00fbts<\/h3>\n

R\u00e9duisez les appels aux services d'urgence et le gaspillage de pi\u00e8ces d\u00e9tach\u00e9es.<\/p>\n <\/div>\n

\n
\ud83d\udcca<\/div>\n

Ax\u00e9 sur les donn\u00e9es<\/h3>\n

Suivre les probl\u00e8mes r\u00e9currents pour identifier les probl\u00e8mes syst\u00e9miques<\/p>\n <\/div>\n

\n
\ud83c\udf93<\/div>\n

Outil de formation<\/h3>\n

Former les nouveaux techniciens aux proc\u00e9dures de diagnostic \u00e9prouv\u00e9es.<\/p>\n <\/div>\n <\/div>\n<\/div>\n\n

\n

\n Foire aux questions\n <\/h2>\n
\n
\n
\u2753 Pourquoi mon four sous vide n'atteint-il pas le niveau de vide cible\u00a0?<\/div>\n
\n Causes fr\u00e9quentes\u00a0: fuites au niveau du joint de porte, d\u00e9gradation de l\u2019huile de la pompe primaire, d\u00e9faillance de la vanne de vide ou contamination de la chambre. Le guide de d\u00e9pannage propose une liste de contr\u00f4le syst\u00e9matique pour la d\u00e9tection des fuites et un diagnostic des performances de la pompe afin d\u2019identifier rapidement la cause premi\u00e8re.\n <\/div>\n <\/div>\n
\n
\u2753 Quelles sont les causes des probl\u00e8mes d'uniformit\u00e9 de temp\u00e9rature dans un four sous vide ?<\/div>\n
\n Une mauvaise uniformit\u00e9 de temp\u00e9rature est g\u00e9n\u00e9ralement due \u00e0\u00a0: des \u00e9l\u00e9ments chauffants d\u00e9grad\u00e9s (r\u00e9sistance irr\u00e9guli\u00e8re), une isolation en feutre de graphite endommag\u00e9e, une d\u00e9rive d'\u00e9talonnage du thermocouple, une perturbation du flux de gaz de proc\u00e9d\u00e9 ou une contamination de la zone chaude. Ce guide propose une proc\u00e9dure de d\u00e9pannage d\u00e9taill\u00e9e pour r\u00e9soudre les probl\u00e8mes d'uniformit\u00e9.\n <\/div>\n <\/div>\n
\n
\u2753 Comment diagnostiquer une panne d'\u00e9l\u00e9ment chauffant ?<\/div>\n
\n Mesurez la r\u00e9sistance entre phases et entre phase et terre. Un circuit ouvert indique une r\u00e9sistance d\u00e9fectueuse\u00a0; un d\u00e9faut \u00e0 la terre indique un affaissement de la r\u00e9sistance ou une d\u00e9faillance de l\u2019isolation. Les r\u00e9sistances en graphite pr\u00e9sentent des points chauds visibles \u00e0 travers le hublot. Les r\u00e9sistances en molybd\u00e8ne pr\u00e9sentent une d\u00e9coloration due \u00e0 l\u2019oxydation. Le guide comprend des tableaux de sp\u00e9cifications de r\u00e9sistance et des crit\u00e8res de remplacement.\n <\/div>\n <\/div>\n
\n
\u2753 Que faire si certaines pi\u00e8ces sont d\u00e9color\u00e9es ou oxyd\u00e9es ?<\/div>\n
\n Une d\u00e9coloration de certaines pi\u00e8ces indique g\u00e9n\u00e9ralement une contamination par l'oxyg\u00e8ne ou l'humidit\u00e9 dans la chambre. V\u00e9rifiez\u00a0: l'int\u00e9grit\u00e9 du joint de porte, la puret\u00e9 du gaz de remplissage, l'absence de fuites d'eau de refroidissement \u00e0 l'int\u00e9rieur de la chambre et l'\u00e9limination compl\u00e8te du liant. Ce guide propose une analyse syst\u00e9matique des causes profondes des d\u00e9fauts de qualit\u00e9 de surface.\n <\/div>\n <\/div>\n
\n
\u2753 HAOYUE peut-il fournir une assistance au d\u00e9pannage sur site\u00a0?<\/div>\n
\n Oui ! HAOYUE propose une assistance au diagnostic \u00e0 distance et des interventions sur site pour les probl\u00e8mes complexes. Contactez-nous lyle@haoyue-group.com<\/a> ou visitez frittage sous vide.com<\/a> pour obtenir une assistance technique.\n <\/div>\n <\/div>\n <\/div>\n<\/div>\n\n
\n

\n Pourquoi choisir les fournaises \u00e0 vide HAOYUE ?\n <\/h2>\n
\n
\n
\ud83c\udfed<\/div>\n

Plus de 20 ans d'expertise<\/h3>\n

Fabricant de fours reconnu, pr\u00e9sent dans plus de 30 pays<\/p>\n <\/div>\n

\n
\u2705<\/div>\n

Certifi\u00e9 ISO et CE<\/h3>\n

Conformit\u00e9 internationale en mati\u00e8re de qualit\u00e9 et de s\u00e9curit\u00e9<\/p>\n <\/div>\n

\n
\ud83d\udd2c<\/div>\n

Innovation en R&D<\/h3>\n

Plus de 20 ing\u00e9nieurs font progresser la technologie thermique<\/p>\n <\/div>\n

\n
\ud83d\udd27<\/div>\n

Soutien complet<\/h3>\n

Installation, formation et r\u00e9seau de service mondial<\/p>\n <\/div>\n

\n
\ud83c\udfaf<\/div>\n

Solutions personnalis\u00e9es<\/h3>\n

Conception de fours sur mesure pour des proc\u00e9d\u00e9s sp\u00e9cifiques<\/p>\n <\/div>\n

\n
\ud83c\udf0d<\/div>\n

Pr\u00e9sence mondiale<\/h3>\n

Installations en Asie, en Europe et en Am\u00e9rique<\/p>\n <\/div>\n <\/div>\n<\/div>\n\n

\n

\n R\u00e9solvez plus rapidement les probl\u00e8mes de votre fournaise\n <\/h2>\n

\n T\u00e9l\u00e9chargez ce guide de d\u00e9pannage complet et d\u00e9veloppez une capacit\u00e9 de r\u00e9solution de probl\u00e8mes syst\u00e9matique pour vos op\u00e9rations de four sous vide.\n <\/p>\n \n \u2b07 T\u00c9L\u00c9CHARGER LE GUIDE DE D\u00c9PANNAGE\n <\/a>\n

\n Besoin d'assistance technique ?<\/strong> lyle@haoyue-group.com<\/a>\n | +86-180-6810-6501 | frittage sous vide.com<\/a>\n
\n Groupe HAOYUE \u2014 Explorateur, pionnier et leader dans la fabrication d'\u00e9quipements de frittage de pointe.\n <\/div>\n<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"

Professional vacuum furnace troubleshooting guide. HAOYUE Vacuum Furnace Troubleshooting Guide Diagnose and resolve common vacuum […]<\/p>\n","protected":false},"author":2,"featured_media":6256,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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Professional vacuum furnace troubleshooting guide.<\\\/p>\",\"display_condition_list\":[{\"display_condition_login_status\":\"subscriber\",\"_id\":\"a0aa8a0\"}]},\"elements\":[],\"widgetType\":\"text-editor\"}],\"isInner\":false},{\"id\":\"857d8cd\",\"elType\":\"container\",\"settings\":{\"display_condition_list\":[{\"display_condition_login_status\":\"subscriber\",\"_id\":\"068bdfa\"}]},\"elements\":[{\"id\":\"30a9ade\",\"elType\":\"widget\",\"settings\":{\"html\":\"\\n

\\n \\\"HAOYUE\\n

\\n HAOYUE Vacuum Furnace Troubleshooting Guide\\n <\\\/h1>\\n

\\n Diagnose and resolve common vacuum furnace problems fast \\u2014 from vacuum system failures to temperature control issues, heating element faults, and process quality defects.\\n <\\\/p>\\n \\n \\u2b07 FREE DOWNLOAD (XLSX)\\n <\\\/a>\\n

Systematic troubleshooting template \\u2022 No sign-up required \\u2022 Excel & Google Sheets compatible<\\\/p>\\n<\\\/div>\\n\\n

\\n

\\n What's Inside This Troubleshooting Guide?\\n <\\\/h2>\\n

\\n A systematic problem-solving framework covering every major subsystem of your vacuum furnace \\u2014 designed for maintenance engineers, field service technicians, and plant operators.\\n <\\\/p>\\n

\\n
\\n

\\ud83d\\udd0d Vacuum System Issues<\\\/h3>\\n

Inability to reach target vacuum, slow pump-down, pressure rise rate too high. Root cause analysis for pump, valve, seal, and leak problems.<\\\/p>\\n <\\\/div>\\n

\\n

\\ud83c\\udf21 Temperature Control<\\\/h3>\\n

Temperature overshoot, poor uniformity, slow ramp-up. Thermocouple drift, PID tuning, power controller faults, and heating zone imbalance diagnosis.<\\\/p>\\n <\\\/div>\\n

\\n

\\u26a1 Heating Element Faults<\\\/h3>\\n

Open circuit, ground fault, element discoloration. Step-by-step resistance measurement, visual inspection protocols, and replacement triggers.<\\\/p>\\n <\\\/div>\\n

\\n

\\ud83d\\udca7 Cooling System Failures<\\\/h3>\\n

Insufficient cooling rate, water quality issues, pump cavitation, flow switch alarms. Cooling system performance diagnostics.<\\\/p>\\n <\\\/div>\\n

\\n

\\ud83d\\udce6 Process Quality Issues<\\\/h3>\\n

Discolored parts, inconsistent sintering results, surface oxidation. Atmosphere contamination, binder residue, and thermal profile troubleshooting.<\\\/p>\\n <\\\/div>\\n

\\n

\\ud83d\\udd0c Electrical System<\\\/h3>\\n

SCR faults, contactor failure, overcurrent trips, control logic errors. Power supply and control system diagnostics with wiring diagrams.<\\\/p>\\n <\\\/div>\\n <\\\/div>\\n<\\\/div>\\n\\n

\\n

\\n Benefits of Using This Guide\\n <\\\/h2>\\n
\\n
\\n
\\u23f1<\\\/div>\\n

Reduce Downtime<\\\/h3>\\n

Find and fix problems faster with systematic diagnosis<\\\/p>\\n <\\\/div>\\n

\\n
\\ud83d\\udccb<\\\/div>\\n

Standardized Process<\\\/h3>\\n

Consistent troubleshooting across all shifts & technicians<\\\/p>\\n <\\\/div>\\n

\\n
\\ud83e\\udde0<\\\/div>\\n

Knowledge Base<\\\/h3>\\n

Build an organized library of common faults & solutions<\\\/p>\\n <\\\/div>\\n

\\n
\\ud83d\\udcb0<\\\/div>\\n

Cost Savings<\\\/h3>\\n

Reduce emergency service calls & spare part waste<\\\/p>\\n <\\\/div>\\n

\\n
\\ud83d\\udcca<\\\/div>\\n

Data-Driven<\\\/h3>\\n

Track recurring issues to identify systemic problems<\\\/p>\\n <\\\/div>\\n

\\n
\\ud83c\\udf93<\\\/div>\\n

Training Tool<\\\/h3>\\n

Train new technicians with proven diagnostic workflows<\\\/p>\\n <\\\/div>\\n <\\\/div>\\n<\\\/div>\\n\\n

\\n

\\n Frequently Asked Questions\\n <\\\/h2>\\n
\\n
\\n
\\u2753 Why can't my vacuum furnace reach the target vacuum level?<\\\/div>\\n
\\n Common causes: door seal leaks, roughing pump oil degradation, vacuum valve failure, or chamber contamination. The troubleshooting guide provides a systematic leak detection checklist and pump performance diagnostics to isolate the root cause quickly.\\n <\\\/div>\\n <\\\/div>\\n
\\n
\\u2753 What causes temperature uniformity issues in a vacuum furnace?<\\\/div>\\n
\\n Poor temperature uniformity is typically caused by: degraded heating elements (uneven resistance), damaged graphite felt insulation, thermocouple calibration drift, process gas flow disturbance, or hot zone contamination. The guide includes a step-by-step uniformity troubleshooting procedure.\\n <\\\/div>\\n <\\\/div>\\n
\\n
\\u2753 How to diagnose a heating element failure?<\\\/div>\\n
\\n Measure resistance phase-to-phase and phase-to-ground. An open circuit indicates a broken element; a ground fault indicates element sagging or insulation breakdown. Graphite elements develop hot spots visible through the viewport. Molybdenum elements show discoloration from oxidation. The guide includes resistance specification tables and replacement criteria.\\n <\\\/div>\\n <\\\/div>\\n
\\n
\\u2753 What to do when parts come out discolored or oxidized?<\\\/div>\\n
\\n Part discoloration usually indicates oxygen or moisture contamination in the chamber. Check: door seal integrity, backfill gas purity, cooling water leakage inside the chamber, and binder removal completeness. The guide provides a systematic root cause analysis for surface quality defects.\\n <\\\/div>\\n <\\\/div>\\n
\\n
\\u2753 Can HAOYUE provide on-site troubleshooting support?<\\\/div>\\n
\\n Yes! HAOYUE offers remote diagnostic support and on-site service visits for complex issues. Contact lyle@haoyue-group.com<\\\/a> or visit vacuum-sintering.com<\\\/a> for technical support.\\n <\\\/div>\\n <\\\/div>\\n <\\\/div>\\n<\\\/div>\\n\\n
\\n

\\n Why Choose HAOYUE Vacuum Furnaces?\\n <\\\/h2>\\n
\\n
\\n
\\ud83c\\udfed<\\\/div>\\n

20+ Years Expertise<\\\/h3>\\n

Proven furnace manufacturer serving 30+ countries<\\\/p>\\n <\\\/div>\\n

\\n
\\u2705<\\\/div>\\n

ISO & CE Certified<\\\/h3>\\n

International quality & safety compliance<\\\/p>\\n <\\\/div>\\n

\\n
\\ud83d\\udd2c<\\\/div>\\n

R&D Innovation<\\\/h3>\\n

20+ engineers advancing thermal technology<\\\/p>\\n <\\\/div>\\n

\\n
\\ud83d\\udd27<\\\/div>\\n

Full Support<\\\/h3>\\n

Installation, training & global service network<\\\/p>\\n <\\\/div>\\n

\\n
\\ud83c\\udfaf<\\\/div>\\n

Custom Solutions<\\\/h3>\\n

Bespoke furnace design for specific processes<\\\/p>\\n <\\\/div>\\n

\\n
\\ud83c\\udf0d<\\\/div>\\n

Global Presence<\\\/h3>\\n

Installations across Asia, Europe & Americas<\\\/p>\\n <\\\/div>\\n <\\\/div>\\n<\\\/div>\\n\\n

\\n

\\n Resolve Furnace Problems Faster\\n <\\\/h2>\\n

\\n Download this comprehensive troubleshooting guide and build a systematic problem-solving capability for your vacuum furnace operations.\\n <\\\/p>\\n \\n \\u2b07 DOWNLOAD TROUBLESHOOTING GUIDE\\n <\\\/a>\\n

\\n Need technical support?<\\\/strong> lyle@haoyue-group.com<\\\/a>\\n | +86-180-6810-6501 | vacuum-sintering.com<\\\/a>\\n
\\n HAOYUE Group \\u2014 An Explorer, Pioneer & Leader In Making Advanced Sintering Equipment.\\n <\\\/div>\\n<\\\/div>\",\"display_condition_list\":[{\"display_condition_login_status\":\"subscriber\",\"_id\":\"ed0a7c3\"}]},\"elements\":[],\"widgetType\":\"html\"}],\"isInner\":false}]"],"rank_math_seo_score":["10"],"_botwriter_seo_score":["54"],"_botwriter_seo_report":["a:11:{s:5:\"score\";i:54;s:5:\"grade\";s:4:\"fair\";s:9:\"seo_title\";s:51:\"HAOYUE Vacuum Furnace | vacuum furnace manufacturer\";s:10:\"word_count\";i:602;s:8:\"meta_len\";i:160;s:9:\"title_len\";i:51;s:15:\"primary_keyword\";s:0:\"\";s:5:\"stats\";a:16:{s:2:\"h1\";i:1;s:2:\"h2\";i:5;s:2:\"h3\";i:18;s:2:\"h4\";i:0;s:14:\"links_internal\";i:4;s:14:\"links_external\";i:0;s:6:\"images\";i:2;s:18:\"images_missing_alt\";i:1;s:10:\"paragraphs\";i:23;s:18:\"has_featured_image\";i:1;s:9:\"faq_count\";i:0;s:11:\"faq_visible\";i:0;s:8:\"faq_mode\";s:4:\"none\";s:17:\"embedding_indexed\";i:0;s:15:\"embedding_model\";s:0:\"\";s:20:\"embedding_updated_at\";i:0;}s:6:\"checks\";a:17:{i:0;a:5:{s:2:\"id\";s:9:\"title_len\";s:5:\"label\";s:30:\"SEO title length 30\u201365 chars\";s:6:\"weight\";i:8;s:6:\"passed\";b:1;s:4:\"hint\";s:8:\"51 chars\";}i:1;a:5:{s:2:\"id\";s:13:\"title_keyword\";s:5:\"label\";s:24:\"Primary keyword in title\";s:6:\"weight\";i:8;s:6:\"passed\";b:0;s:4:\"hint\";s:14:\"No keyword set\";}i:2;a:5:{s:2:\"id\";s:12:\"meta_present\";s:5:\"label\";s:24:\"Meta description present\";s:6:\"weight\";i:6;s:6:\"passed\";b:1;s:4:\"hint\";s:0:\"\";}i:3;a:5:{s:2:\"id\";s:11:\"meta_length\";s:5:\"label\";s:31:\"Meta description 80\u2013160 chars\";s:6:\"weight\";i:6;s:6:\"passed\";b:1;s:4:\"hint\";s:9:\"160 chars\";}i:4;a:5:{s:2:\"id\";s:12:\"meta_keyword\";s:5:\"label\";s:35:\"Primary keyword in meta description\";s:6:\"weight\";i:6;s:6:\"passed\";b:0;s:4:\"hint\";s:0:\"\";}i:5;a:5:{s:2:\"id\";s:10:\"word_count\";s:5:\"label\";s:18:\"Word count \u2265 300\";s:6:\"weight\";i:8;s:6:\"passed\";b:1;s:4:\"hint\";s:9:\"602 words\";}i:6;a:5:{s:2:\"id\";s:18:\"first_para_keyword\";s:5:\"label\";s:34:\"Primary keyword in first paragraph\";s:6:\"weight\";i:6;s:6:\"passed\";b:0;s:4:\"hint\";s:0:\"\";}i:7;a:5:{s:2:\"id\";s:10:\"h2_present\";s:5:\"label\";s:15:\"At least one H2\";s:6:\"weight\";i:6;s:6:\"passed\";b:1;s:4:\"hint\";s:4:\"h2=5\";}i:8;a:5:{s:2:\"id\";s:16:\"no_h1_in_content\";s:5:\"label\";s:24:\"No H1 inside the content\";s:6:\"weight\";i:4;s:6:\"passed\";b:0;s:4:\"hint\";s:4:\"h1=1\";}i:9;a:5:{s:2:\"id\";s:18:\"headings_hierarchy\";s:5:\"label\";s:23:\"Sub-headings used (H3+)\";s:6:\"weight\";i:4;s:6:\"passed\";b:1;s:4:\"hint\";s:0:\"\";}i:10;a:5:{s:2:\"id\";s:14:\"internal_links\";s:5:\"label\";s:26:\"At least one internal link\";s:6:\"weight\";i:8;s:6:\"passed\";b:1;s:4:\"hint\";s:10:\"4 internal\";}i:11;a:5:{s:2:\"id\";s:14:\"external_links\";s:5:\"label\";s:31:\"At least one external reference\";s:6:\"weight\";i:4;s:6:\"passed\";b:0;s:4:\"hint\";s:0:\"\";}i:12;a:5:{s:2:\"id\";s:11:\"faq_present\";s:5:\"label\";s:24:\"FAQ enrichment available\";s:6:\"weight\";i:0;s:6:\"passed\";b:0;s:4:\"hint\";s:16:\"No FAQ generated\";}i:13;a:5:{s:2:\"id\";s:14:\"images_present\";s:5:\"label\";s:22:\"Has at least one image\";s:6:\"weight\";i:4;s:6:\"passed\";b:1;s:4:\"hint\";s:0:\"\";}i:14;a:5:{s:2:\"id\";s:10:\"images_alt\";s:5:\"label\";s:24:\"All images have alt text\";s:6:\"weight\";i:6;s:6:\"passed\";b:0;s:4:\"hint\";s:13:\"1 missing alt\";}i:15;a:5:{s:2:\"id\";s:11:\"slug_length\";s:5:\"label\";s:17:\"Slug 3\u201360 chars\";s:6:\"weight\";i:4;s:6:\"passed\";b:0;s:4:\"hint\";s:8:\"83 chars\";}i:16;a:5:{s:2:\"id\";s:12:\"slug_keyword\";s:5:\"label\";s:23:\"Primary keyword in slug\";s:6:\"weight\";i:4;s:6:\"passed\";b:0;s:4:\"hint\";s:0:\"\";}}s:4:\"hash\";s:40:\"7abdd5a35b12d601a37453f356dde44f5707cfb1\";s:11:\"computed_at\";i:1780738067;}"],"_botwriter_seo_analyzed_at":["1780738067"],"_botwriter_seo_readability_score":["72"],"_botwriter_seo_readability_report":["a:9:{s:5:\"score\";i:72;s:5:\"grade\";s:4:\"good\";s:6:\"flesch\";d:8.9;s:10:\"word_count\";i:602;s:9:\"sentences\";i:40;s:10:\"paragraphs\";i:23;s:6:\"checks\";a:9:{i:0;a:6:{s:2:\"id\";s:6:\"flesch\";s:5:\"label\";s:19:\"Flesch reading ease\";s:6:\"weight\";i:10;s:6:\"status\";s:3:\"bad\";s:5:\"value\";s:7:\"8.9\/100\";s:4:\"hint\";s:53:\"Aim for 60+ (plain English). 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Vacuum heat treatment including quenching, tempering, and carburizing processes. 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