{"id":3149,"count":0,"description":"Le concassage de mat\u00e9riaux pour obtenir des granulats de calibre inf\u00e9rieur est g\u00e9n\u00e9ralement entrepris en deux \u00e9tapes: la premi\u00e8re \u00e9tant r\u00e9alis\u00e9e au sein d\u2019un concasseur primaire, qui comprend les concasseurs \u00e0 m\u00e2choire, \u00e0 marteaux et giratoires. Des pierres ou minerais massifs sont utilis\u00e9s pour produire des mat\u00e9riaux de calibre inf\u00e9rieur. Lorsque les granulats produits par le concasseur primaire sont trop grossiers, ils subissent un broyage suppl\u00e9mentaire au sein d\u2019un concasseur secondaire jusqu\u2019\u00e0 obtenir le calibre souhait\u00e9.\r\n\r\nL\u2019usure des pi\u00e8ces des concasseurs affecte les performances et le volume de mat\u00e9riau concass\u00e9, certaines pi\u00e8ces telles que les marteaux, rotors, dents et enclumes \u00e9tant soumises \u00e0 des degr\u00e9s \u00e9lev\u00e9s d\u2019usure abrasive et d'impact. L\u2019absence de maintenance de ces pi\u00e8ces peut entra\u00eener une d\u00e9faillance pr\u00e9matur\u00e9e du concasseur, synonyme de longs temps d\u2019arr\u00eat et de co\u00fbts de maintenance accrus.","link":"https:\/\/welding-alloys.zerobox.co.za\/fr\/application-industrielle\/concasseurs-primaires-et-secondaires\/","name":"Concasseurs primaires et secondaires","slug":"concasseurs-primaires-et-secondaires","taxonomy":"industry_application","parent":0,"meta":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.7 (Yoast SEO v27.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Concasseurs primaires et secondaires | Welding Alloys<\/title>\n<meta name=\"description\" content=\"A lower wear rate is directly proportional to longer component life. 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