{"id":8304,"date":"2025-04-12T15:33:41","date_gmt":"2025-04-12T07:33:41","guid":{"rendered":"https:\/\/www.hnhlcranes.com\/?p=8304"},"modified":"2025-04-12T15:40:37","modified_gmt":"2025-04-12T07:40:37","slug":"seleccion-de-materiales-para-las-ruedas-de-gruas-puente","status":"publish","type":"post","link":"https:\/\/www.hnhlcranes.com\/es\/seleccion-de-materiales-para-las-ruedas-de-gruas-puente\/","title":{"rendered":"Selecci\u00f3n del material de las ruedas de gr\u00faas puente"},"content":{"rendered":"

El material de la rueda de puente gr\u00faa suele seleccionarse en funci\u00f3n del entorno de uso (carga, frecuencia, desgaste). A continuaci\u00f3n se indican los principales materiales utilizados en la industria y sus caracter\u00edsticas:<\/p>\n

1. ZG430-640 (Acero fundido)\"\"<\/a> \"\"<\/a><\/strong><\/h3>\n

Seg\u00fan la norma china GB\/T 11352-2009<\/strong> (Acero estructural al carbono fundido), ZG430-640 es uno de los materiales m\u00e1s utilizados para las ruedas de gr\u00faa.<\/p>\n

    \n
  • \n

    Proporciona una resistencia a la tracci\u00f3n de \u2265 640 MPa<\/strong>, a l\u00edmite el\u00e1stico de \u2265 430 MPa<\/strong>y un elongaci\u00f3n de \u2265 14%<\/strong>.<\/p>\n<\/li>\n

  • \n

    Adem\u00e1s, ofrece una excelente resistencia al impacto y propiedades mec\u00e1nicas generales.<\/p>\n<\/li>\n

  • \n

    Por ello, los ingenieros suelen elegir este material para puentes gr\u00faa de tama\u00f1o medio y grande, debido a su equilibrado rendimiento y rentabilidad.<\/p>\n<\/li>\n<\/ul>\n

    2. 42CrMo (acero aleado)<\/strong><\/h3>\n

    Seg\u00fan GB\/T 3077<\/strong>El 42CrMo es un acero de aleaci\u00f3n de alto rendimiento ampliamente utilizado en aplicaciones pesadas.<\/p>\n

      \n
    • \n

      Tras el templado y revenido, alcanza un resistencia a la tracci\u00f3n de \u2265 980 MPa<\/strong> y un l\u00edmite el\u00e1stico de \u2265 850 MPa<\/strong>con alta resistencia a la fatiga y tenacidad.<\/p>\n<\/li>\n

    • \n

      Como resultado, los fabricantes suelen seleccionar 42CrMo para ruedas motrices<\/strong> o aplicaciones que requieren arranques\/paradas frecuentes<\/strong> y cargas din\u00e1micas elevadas<\/strong>.<\/p>\n<\/li>\n<\/ul>\n

      3. 65Mn (acero para muelles con alto contenido en manganeso)<\/strong><\/h3>\n

      De conformidad con GB\/T 1222<\/strong>, 65Mn es un tipo de acero para muelles al carbono-manganeso que ofrece excelente resistencia al desgaste<\/strong> y gran dureza (HRC 45-55)<\/strong>.<\/p>\n

        \n
      • \n

        Aunque su tenacidad es ligeramente inferior, rinde bien en alto desgaste, bajo impacto<\/strong> entornos de trabajo.<\/p>\n<\/li>\n

      • \n

        Por ello, las empresas suelen aplicarlo a componentes como ruedas transportadoras o rodillos.<\/p>\n<\/li>\n<\/ul>\n

        4. QT500-7 \/ QT600-3 (fundici\u00f3n d\u00factil)<\/strong><\/h3>\n

        Tal como se define en GB\/T 1348<\/strong>La fundici\u00f3n d\u00factil como QT500-7 o QT600-3 proporciona un resistencia a la tracci\u00f3n de 500-600 MPa<\/strong> y un tasa de elongaci\u00f3n de 7-10%<\/strong>.<\/p>\n

          \n
        • \n

          Este material es rentable<\/strong> y f\u00e1cil de procesar<\/strong>aunque su resistencia al desgaste es inferior a la del acero.<\/p>\n<\/li>\n

        • \n

          Por lo tanto, los ingenieros suelen utilizarlo para gr\u00faas ligeras<\/strong> o ruedas no motrices<\/strong> donde el coste es una preocupaci\u00f3n primordial.<\/p>\n<\/li>\n<\/ul>\n

          Rueda de puente gr\u00faa M\u00e9todos de tratamiento t\u00e9rmico opcionales:<\/strong><\/h3>\n
          \n
          \n\n\n\n\n\n\n\n\n
          Tratamiento t\u00e9rmico<\/th>\nProp\u00f3sito<\/th>\nMateriales adecuados<\/th>\n<\/tr>\n<\/thead>\n
          Normalizado + Revenido<\/td>\nPara mejorar el rendimiento mec\u00e1nico general<\/td>\nZG430-640<\/td>\n<\/tr>\n
          Temple + revenido<\/td>\nPara aumentar la fuerza y la resistencia a la fatiga<\/td>\n42CrMo, 65Mn<\/td>\n<\/tr>\n
          Endurecimiento de superficies<\/td>\nPara mejorar la resistencia al desgaste de la superficie<\/td>\nZG430, 42CrMo<\/td>\n<\/tr>\n
          Endurecimiento por inducci\u00f3n<\/td>\nA menudo se utiliza para ruedas motrices (endurecimiento localizado)<\/td>\nZG430, 42CrMo<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

          Selecci\u00f3n de materiales recomendada en funci\u00f3n de las condiciones de trabajo:<\/strong><\/h3>\n
          \n
          \n\n\n\n\n\n\n\n\n
          Condiciones de trabajo<\/th>\nMaterial recomendado<\/th>\n<\/tr>\n<\/thead>\n
          Gr\u00faa polivalente de carga media<\/td>\nZG430-640<\/td>\n<\/tr>\n
          Carga pesada, funcionamiento frecuente<\/td>\n42CrMo<\/td>\n<\/tr>\n
          Alto desgaste, bajo impacto<\/td>\n65Mn<\/td>\n<\/tr>\n
          Equipos ligeros, sensibles a los costes<\/td>\nQT500-7 (fundici\u00f3n d\u00factil)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"

          El material de la rueda del puente gr\u00faa suele seleccionarse en funci\u00f3n del entorno de uso (carga, frecuencia, desgaste). Los siguientes...<\/p>","protected":false},"author":1,"featured_media":6720,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"default","_kad_post_title":"default","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"default","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[1,53],"tags":[759,764,753,643,757,765,762,761,763,758,752],"class_list":["post-8304","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-company_news","category-industry_news","tag-active-wheel-set","tag-angle-box-type-wheel-sets","tag-bridge-crane-wheel","tag-crane-accessories","tag-crane-wheel","tag-crane-wheel-assembly","tag-crane-wheels-manufacturer","tag-driven-wheel-group","tag-drs-wheel-blocks","tag-forged-wheels","tag-overhead-crane-wheel"],"yoast_head":"\nOverhead 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