{"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":"wybor-materialu-kola-suwnicy","status":"publish","type":"post","link":"https:\/\/www.hnhlcranes.com\/pl\/wybor-materialu-kola-suwnicy\/","title":{"rendered":"Wyb\u00f3r materia\u0142u ko\u0142a suwnicy"},"content":{"rendered":"

Materia\u0142 ko\u0142a suwnicy jest zwykle wybierany w zale\u017cno\u015bci od \u015brodowiska u\u017cytkowania (obci\u0105\u017cenie, cz\u0119stotliwo\u015b\u0107, zu\u017cycie). Poni\u017cej przedstawiono kilka g\u0142\u00f3wnych materia\u0142\u00f3w powszechnie stosowanych w bran\u017cy i ich w\u0142a\u015bciwo\u015bci:<\/p>\n

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

Zgodnie z chi\u0144skim standardem GB\/T 11352-2009<\/strong> (Carbon Structural Cast Steel), ZG430-640 jest jednym z najcz\u0119\u015bciej stosowanych materia\u0142\u00f3w na ko\u0142a d\u017awig\u00f3w.<\/p>\n

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  • \n

    Zapewnia wytrzyma\u0142o\u015b\u0107 na rozci\u0105ganie \u2265 640 MPa<\/strong>, a granica plastyczno\u015bci \u2265 430 MPa<\/strong>oraz wyd\u0142u\u017cenie \u2265 14%<\/strong>.<\/p>\n<\/li>\n

  • \n

    Ponadto zapewnia doskona\u0142\u0105 odporno\u015b\u0107 na uderzenia i og\u00f3lne w\u0142a\u015bciwo\u015bci mechaniczne.<\/p>\n<\/li>\n

  • \n

    Dlatego in\u017cynierowie zazwyczaj wybieraj\u0105 ten materia\u0142 do \u015brednich i du\u017cych suwnic ze wzgl\u0119du na jego zr\u00f3wnowa\u017con\u0105 wydajno\u015b\u0107 i op\u0142acalno\u015b\u0107.<\/p>\n<\/li>\n<\/ul>\n

    2. 42CrMo (stal stopowa)<\/strong><\/h3>\n

    Wed\u0142ug GB\/T 3077<\/strong>42CrMo to wysokowydajna stal stopowa szeroko stosowana w ci\u0119\u017ckich zastosowaniach.<\/p>\n

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    • \n

      Po hartowaniu i odpuszczaniu osi\u0105ga temperatur\u0119 wytrzyma\u0142o\u015b\u0107 na rozci\u0105ganie \u2265 980 MPa<\/strong> oraz granica plastyczno\u015bci \u2265 850 MPa<\/strong>o wysokiej odporno\u015bci zm\u0119czeniowej i wytrzyma\u0142o\u015bci.<\/p>\n<\/li>\n

    • \n

      W rezultacie producenci cz\u0119sto wybieraj\u0105 42CrMo dla ko\u0142a nap\u0119dowe<\/strong> lub aplikacje, kt\u00f3re wymagaj\u0105 cz\u0119ste uruchamianie\/zatrzymywanie<\/strong> oraz wysokie obci\u0105\u017cenia dynamiczne<\/strong>.<\/p>\n<\/li>\n<\/ul>\n

      3. 65Mn (stal spr\u0119\u017cynowa o wysokiej zawarto\u015bci manganu)<\/strong><\/h3>\n

      Zgodnie z GB\/T 1222<\/strong>65Mn to rodzaj stali spr\u0119\u017cynowej w\u0119glowo-manganowej, kt\u00f3ra oferuje Doskona\u0142a odporno\u015b\u0107 na zu\u017cycie<\/strong> oraz wysoka twardo\u015b\u0107 (HRC 45-55)<\/strong>.<\/p>\n

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      • \n

        Chocia\u017c jego wytrzyma\u0142o\u015b\u0107 jest nieco ni\u017csza, dobrze sprawdza si\u0119 w Wysokie zu\u017cycie, niski wp\u0142yw<\/strong> \u015brodowiska pracy.<\/p>\n<\/li>\n

      • \n

        W zwi\u0105zku z tym firmy cz\u0119sto stosuj\u0105 go do komponent\u00f3w takich jak ko\u0142a przeno\u015bnik\u00f3w lub ko\u0142a z\u0119bate.<\/p>\n<\/li>\n<\/ul>\n

        4. QT500-7 \/ QT600-3 (\u017celiwo sferoidalne)<\/strong><\/h3>\n

        Zgodnie z definicj\u0105 w GB\/T 1348<\/strong>\u017celiwo sferoidalne, takie jak QT500-7 lub QT600-3 zapewnia wytrzyma\u0142o\u015b\u0107 na rozci\u0105ganie 500-600 MPa<\/strong> i szybko\u015b\u0107 wyd\u0142u\u017cania 7-10%<\/strong>.<\/p>\n

          \n
        • \n

          Ten materia\u0142 jest op\u0142acalny<\/strong> oraz \u0142atwy do przetworzenia<\/strong>Chocia\u017c jego odporno\u015b\u0107 na zu\u017cycie jest ni\u017csza ni\u017c stali.<\/p>\n<\/li>\n

        • \n

          Dlatego in\u017cynierowie zwykle u\u017cywaj\u0105 go do lekkie d\u017awigi<\/strong> lub ko\u0142a nienap\u0119dzane<\/strong> gdzie koszt jest najwa\u017cniejszy.<\/p>\n<\/li>\n<\/ul>\n

          Opcjonalne metody obr\u00f3bki cieplnej ko\u0142a suwnicy:<\/strong><\/h3>\n
          \n
          \n\n\n\n\n\n\n\n\n
          Obr\u00f3bka cieplna<\/th>\nCel<\/th>\nOdpowiednie materia\u0142y<\/th>\n<\/tr>\n<\/thead>\n
          Normalizowanie + odpuszczanie<\/td>\nZwi\u0119kszenie og\u00f3lnej wydajno\u015bci mechanicznej<\/td>\nZG430-640<\/td>\n<\/tr>\n
          Hartowanie + odpuszczanie<\/td>\nZwi\u0119kszenie wytrzyma\u0142o\u015bci i odporno\u015bci na zm\u0119czenie<\/td>\n42CrMo, 65Mn<\/td>\n<\/tr>\n
          Hartowanie powierzchniowe<\/td>\nAby poprawi\u0107 odporno\u015b\u0107 powierzchni na zu\u017cycie<\/td>\nZG430, 42CrMo<\/td>\n<\/tr>\n
          Hartowanie indukcyjne<\/td>\nCz\u0119sto u\u017cywane do k\u00f3\u0142 nap\u0119dowych (hartowanie miejscowe)<\/td>\nZG430, 42CrMo<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

          Zalecany dob\u00f3r materia\u0142\u00f3w w zale\u017cno\u015bci od warunk\u00f3w pracy:<\/strong><\/h3>\n
          \n
          \n\n\n\n\n\n\n\n\n
          Warunki pracy<\/th>\nZalecany materia\u0142<\/th>\n<\/tr>\n<\/thead>\n
          \u017buraw og\u00f3lnego przeznaczenia o \u015brednim ud\u017awigu<\/td>\nZG430-640<\/td>\n<\/tr>\n
          Du\u017ce obci\u0105\u017cenie, cz\u0119ste u\u017cytkowanie<\/td>\n42CrMo<\/td>\n<\/tr>\n
          Wysokie zu\u017cycie, niskie uderzenia<\/td>\n65Mn<\/td>\n<\/tr>\n
          Lekki sprz\u0119t, wra\u017cliwy na koszty<\/td>\nQT500-7 (\u017celiwo sferoidalne)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"

          Materia\u0142 ko\u0142a suwnicy jest zwykle wybierany w zale\u017cno\u015bci od \u015brodowiska u\u017cytkowania (obci\u0105\u017cenie, cz\u0119stotliwo\u015b\u0107, zu\u017cycie). Nast\u0119puj\u0105ce...<\/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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