{"id":16651,"date":"2026-03-26T09:15:36","date_gmt":"2026-03-26T09:15:36","guid":{"rendered":"https:\/\/www.dgcrane.com\/?p=16651"},"modified":"2026-03-26T09:15:39","modified_gmt":"2026-03-26T09:15:39","slug":"rolling-crane-sheaves","status":"publish","type":"post","link":"https:\/\/www.dgcrane.com\/cs\/rolling-crane-sheaves\/","title":{"rendered":"V\u00e1lcovan\u00e9 je\u0159\u00e1bov\u00e9 kladky: Ni\u017e\u0161\u00ed hmotnost, vy\u0161\u0161\u00ed odolnost proti opot\u0159eben\u00ed"},"content":{"rendered":"

Je\u0159\u00e1bov\u00e9 kladky se vyr\u00e1b\u011bj\u00ed z vysokopevnostn\u00edch ocelov\u00fdch plech\u016f procesem v\u00e1lcov\u00e1n\u00ed za tepla. V\u00e1lcov\u00e1n\u00ed za tepla zahrnuje tvarov\u00e1n\u00ed ocelov\u00e9ho plechu za vysok\u00fdch teplot, aby se dos\u00e1hlo specifick\u00e9 velikosti a tvaru. Tento proces zlep\u0161uje pevnost a tvrdost kladky a z\u00e1rove\u0148 sni\u017euje spot\u0159ebu surovin. Jsou \u0161iroce pou\u017e\u00edv\u00e1ny v p\u0159\u00edstavn\u00edch stroj\u00edch, zdvihac\u00edch za\u0159\u00edzen\u00edch, t\u011b\u017eebn\u00edch stroj\u00edch a stavebn\u00edch stroj\u00edch. Je\u0159\u00e1bov\u00e9 kladky mohou pracovat v r\u016fzn\u00fdch n\u00e1ro\u010dn\u00fdch podm\u00ednk\u00e1ch, odol\u00e1vat t\u011b\u017ek\u00fdm n\u00e1klad\u016fm a vysokorychlostn\u00edmu provozu a zaji\u0161\u0165ovat stabiln\u00ed p\u0159enos v\u00fdkonu pro mechanick\u00e1 za\u0159\u00edzen\u00ed.<\/p>\n\n\n\n

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\u017d\u00e1dost o cenovou nab\u00eddku<\/a><\/div>\n<\/div>\n\n\n\n
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Referen\u010dn\u00ed cen\u00edk kladek pro valiv\u00e9 je\u0159\u00e1by<\/h2>\n\n\n\n
<\/object>Technick\u00e9 parametry a referen\u010dn\u00ed cen\u00edk je\u0159\u00e1bov\u00fdch kladek<\/a>Sta\u017een\u00ed<\/a><\/div>\n\n\n\n

Vlastnosti kladky je\u0159\u00e1bu<\/h2>\n\n\n\n
    \n
  • Vysok\u00e1 pevnost: Vnit\u0159n\u00ed struktura zrn kladky, vyroben\u00e1 v\u00e1lcov\u00e1n\u00edm za tepla, je optimalizov\u00e1na pro zv\u00fd\u0161en\u00ed jej\u00ed odolnosti v\u016f\u010di ohybu a krutu. To m\u00e1 za n\u00e1sledek lep\u0161\u00ed stabilitu a spolehlivost p\u0159i vysok\u00e9m zat\u00ed\u017een\u00ed a vysokorychlostn\u00edm provozu.<\/li>\n\n\n\n
  • Ni\u017e\u0161\u00ed hmotnost: Vyrobeno z vysokopevnostn\u00edch ocelov\u00fdch plech\u016f, p\u0159i zachov\u00e1n\u00ed pevnosti je o 40% leh\u010d\u00ed ne\u017e lit\u00e9 kladky stejn\u00fdch specifikac\u00ed. To pom\u00e1h\u00e1 sn\u00ed\u017eit celkovou hmotnost stroj\u016f, sn\u00ed\u017eit spot\u0159ebu energie a zlep\u0161it provozn\u00ed efektivitu.<\/li>\n\n\n\n
  • Lep\u0161\u00ed odolnost proti opot\u0159eben\u00ed: Za tepla v\u00e1lcovan\u00fd povrch m\u00e1 vysokou tvrdost a vynikaj\u00edc\u00ed odolnost proti opot\u0159eben\u00ed. To umo\u017e\u0148uje v\u00e1lcovac\u00edm je\u0159\u00e1bov\u00fdm kladk\u00e1m udr\u017eovat dobr\u00fd v\u00fdkon i p\u0159i dlouhodob\u00e9m pou\u017e\u00edv\u00e1n\u00ed, co\u017e sni\u017euje n\u00e1klady na \u00fadr\u017ebu a v\u00fdm\u011bnu.<\/li>\n\n\n\n
  • Prodlou\u017een\u00e1 \u017eivotnost dr\u00e1\u017eky lana: Hladk\u00fd a ot\u011bruvzdorn\u00fd povrch dr\u00e1\u017eky lana lze tepeln\u011b zpracovat pro zv\u00fd\u0161en\u00ed jeho tvrdosti, \u010d\u00edm\u017e se \u017eivotnost kladky prodlou\u017e\u00ed 1\u20132kr\u00e1t.<\/li>\n\n\n\n
  • Krat\u0161\u00ed v\u00fdrobn\u00ed cyklus: D\u00edky p\u0159ibli\u017en\u011b men\u0161\u00edmu mno\u017estv\u00ed \u0159ezn\u00fdch \u00fakon\u016f u 70% ve srovn\u00e1n\u00ed s kladkami je\u0159\u00e1bu pro odl\u00e9v\u00e1n\u00ed se dosahuje zna\u010dn\u00fdch \u00faspor materi\u00e1lu a zkr\u00e1cen\u00ed doby zpracov\u00e1n\u00ed.<\/li>\n<\/ul>\n\n\n\n

    Unik\u00e1tn\u00ed v\u00fdrobn\u00ed proces v\u00e1lcovac\u00edch je\u0159\u00e1bov\u00fdch kladek<\/h2>\n\n\n\n
    \n
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    \u0158ez\u00e1n\u00ed plynem<\/figcaption><\/figure>\n\n\n\n
      \n
    • Technologie CNC \u0159ez\u00e1n\u00ed \u0159e\u017ee ocelov\u00e9 plechy na kotou\u010dov\u00e9 polotovary, \u010d\u00edm\u017e minimalizuje odpad materi\u00e1lu a sni\u017euje n\u00e1klady.<\/li>\n\n\n\n
    • Polotovary vykazuj\u00ed stabiln\u00ed kvalitu, bez deformac\u00ed a ot\u0159ep\u016f, co\u017e usnad\u0148uje n\u00e1sledn\u00e9 zpracov\u00e1n\u00ed.<\/li>\n<\/ul>\n<\/div>\n\n\n\n
      \n
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      Oh\u0159ev sochor\u016f<\/figcaption><\/figure>\n\n\n\n
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      • Oh\u0159ev vn\u011bj\u0161\u00edho pr\u016fm\u011bru polotovaru vytv\u00e1\u0159\u00ed na povrchu zna\u010dn\u00e9 tlakov\u00e9 nap\u011bt\u00ed, co\u017e m\u00e1 za n\u00e1sledek vysokou odolnost proti \u00fanav\u011b materi\u00e1lu.<\/li>\n\n\n\n
      • Zpevn\u011bn\u00e1 martenzitick\u00e1 vrstva m\u00e1 jemn\u011bj\u0161\u00ed strukturu, co\u017e vede k vy\u0161\u0161\u00ed tvrdosti, pevnosti a hou\u017eevnatosti.<\/li>\n<\/ul>\n<\/div>\n\n\n\n
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        Tvarov\u00e1n\u00ed rol\u00ed<\/figcaption><\/figure>\n\n\n\n
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        • R\u00e1fek je p\u0159ed sva\u0159ov\u00e1n\u00edm tepeln\u011b v\u00e1lcov\u00e1n jako celek, co\u017e sni\u017euje spot\u0159ebu energie a v\u00fdrobn\u00ed n\u00e1klady.<\/li>\n\n\n\n
        • Oblast dr\u00e1\u017eky lana m\u00e1 rovnom\u011brnou tvrdost povrchu, co\u017e zlep\u0161uje v\u00fdkon kladky a prodlu\u017euje \u017eivotnost kladky.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n
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          Chlazen\u00ed \u017e\u00edh\u00e1n\u00edm<\/figcaption><\/figure>\n\n\n\n
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          • Oh\u0159\u00e1t\u00ed materi\u00e1lu na c\u00edlovou teplotu, jeho udr\u017een\u00ed a n\u00e1sledn\u00e9 pomal\u00e9 ochlazen\u00ed zlep\u0161uje ta\u017enost a hou\u017eevnatost kladky.<\/li>\n\n\n\n
          • Zjemn\u011bn\u00ed velikosti zrna zlep\u0161uje vnit\u0159n\u00ed strukturu a mechanick\u00e9 vlastnosti.<\/li>\n<\/ul>\n<\/div>\n\n\n\n
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            Sva\u0159ov\u00e1n\u00ed<\/figcaption><\/figure>\n\n\n\n
              \n
            • Optimalizuje rozlo\u017een\u00ed nap\u011bt\u00ed, \u010d\u00edm\u017e zlep\u0161uje \u00fanavovou \u017eivotnost a spolehlivost n\u00e1boj\u016f kladek.<\/li>\n\n\n\n
            • Zvy\u0161uje pevnost n\u00e1boj\u016f kladek, \u010d\u00edm\u017e zlep\u0161uje jejich nosnost a odolnost proti n\u00e1razu.<\/li>\n<\/ul>\n<\/div>\n\n\n\n
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              CNC dokon\u010dov\u00e1n\u00ed<\/figcaption><\/figure>\n\n\n\n
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              • V\u00fdrobn\u00ed procesy, jako je soustru\u017een\u00ed a brou\u0161en\u00ed, zlep\u0161uj\u00ed vlastnosti materi\u00e1l\u016f tak, aby spl\u0148ovaly konstruk\u010dn\u00ed normy.<\/li>\n\n\n\n
              • P\u0159esn\u00e9 stroje, jako jsou v\u00e1lcov\u00e9 brusky, zaji\u0161\u0165uj\u00ed p\u0159esn\u00fd vn\u011bj\u0161\u00ed pr\u016fm\u011br, dr\u00e1\u017eky, rozm\u011brovou p\u0159esnost a kvalitu povrchu.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n
                \n
                \n
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                Le\u0161t\u011bn\u00ed a lakov\u00e1n\u00ed<\/figcaption><\/figure>\n\n\n\n
                  \n
                • Odstra\u0148te z materi\u00e1lu povrchov\u00e9 vady, jako jsou p\u00f3ry a oxidov\u00e9 usazeniny, pro zlep\u0161en\u00ed povrchov\u00e9 \u00fapravy a rozm\u011brov\u00e9 stability.<\/li>\n\n\n\n
                • Naneste na povrch barvu proti korozi nebo jinou \u00fapravu pro zv\u00fd\u0161en\u00ed odolnosti proti opot\u0159eben\u00ed a korozi.<\/li>\n<\/ul>\n<\/div>\n\n\n\n
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                  Zkou\u0161ka vzhledu a mechanick\u00fdch vlastnost\u00ed<\/figcaption><\/figure>\n\n\n\n
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                  • Prov\u00e1d\u011bjte zkou\u0161ky UT, MT, tvrdosti a cementace pro zaji\u0161t\u011bn\u00ed kvality a bezpe\u010dnosti kone\u010dn\u00e9ho v\u00fdrobku.<\/li>\n\n\n\n
                  • Prov\u00e1d\u011bt zkou\u0161ky mechanick\u00fdch vlastnost\u00ed (mez kluzu\/tahu\/r\u00e1zov\u00e9 pevnosti) a metalografick\u00e9 zkou\u0161ky pro spln\u011bn\u00ed po\u017eadavk\u016f na zkou\u0161ky kov\u00e1n\u00ed.<\/li>\n<\/ul>\n<\/div>\n\n\n\n
                    <\/div>\n<\/div>\n\n\n\n

                    Typick\u00e9 aplikace kladek je\u0159\u00e1b\u016f<\/h2>\n\n\n\n
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                    Pou\u017e\u00edv\u00e1 se pro h\u00e1kov\u00e9 bloky mostov\u00fdch je\u0159\u00e1b\u016f ve sl\u00e9v\u00e1rn\u00e1ch<\/figcaption><\/figure>\n\n\n\n
                      \n
                    • Povrchov\u00e1 tvrdost po tepeln\u00e9m zpracov\u00e1n\u00ed dosahuje HRC39-43, co\u017e zvy\u0161uje kontaktn\u00ed t\u0159ec\u00ed nap\u011bt\u00ed a sni\u017euje opot\u0159eben\u00ed.<\/li>\n<\/ul>\n<\/div>\n\n\n\n
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                      Pou\u017e\u00edv\u00e1 se pro h\u00e1kov\u00e9 kladkostroje pro autoje\u0159\u00e1by<\/figcaption><\/figure>\n\n\n\n
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                      • Kladka je vyrobena z za tepla v\u00e1lcovan\u00e9 oceli Q235B\/Q355B, tak\u017ee se vyh\u00fdb\u00e1 vad\u00e1m odlitk\u016f, jako je p\u00f3rovitost a d\u00edry od p\u00edsku. Precizn\u011b obroben\u00e1 dr\u00e1\u017eka lana dokonale padne do ocelov\u00e9ho lana, minimalizuje tak ru\u0161en\u00ed a prodlu\u017euje \u017eivotnost.<\/li>\n<\/ul>\n<\/div>\n\n\n\n
                        \n
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                        Pou\u017e\u00edv\u00e1 se pro h\u00e1kov\u00e9 kladkostroje v\u011b\u017eov\u00fdch je\u0159\u00e1b\u016f<\/figcaption><\/figure>\n\n\n\n
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                        • Kombinace pevn\u00fdch a pohybliv\u00fdch kladek vy\u017eaduje men\u0161\u00ed \u00fasil\u00ed, \u00fa\u010dinn\u011b sni\u017euje vibrace, zaji\u0161\u0165uje plynul\u00fd chod s n\u00edzkou hlu\u010dnost\u00ed a nab\u00edz\u00ed dobrou odolnost proti opot\u0159eben\u00ed a samomaz\u00e1n\u00ed.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n

                          Nej\u010dast\u011bj\u0161\u00ed dotazy<\/h2>\n\n\n
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                          Jak\u00e9 jsou konstruk\u010dn\u00ed prvky kladky rolovac\u00edho je\u0159\u00e1bu?<\/h3>\n
                          \n\n

                          Kladka kladky je\u0159\u00e1bu se obvykle skl\u00e1d\u00e1 ze t\u0159\u00ed \u010d\u00e1st\u00ed: t\u011blesa kladky, v\u011bnce a lo\u017eiskov\u00e9ho t\u011blesa. T\u011bleso kladky je hlavn\u00ed sou\u010d\u00e1st\u00ed, zat\u00edmco v\u011bnec jej spojuje s lo\u017eiskov\u00fdm t\u011blesem, \u010d\u00edm\u017e poskytuje oporu a p\u0159en\u00e1\u0161\u00ed s\u00edlu. Lo\u017eiskov\u00e9 t\u011bleso obsahuje lo\u017eiska, kter\u00e1 zaji\u0161\u0165uj\u00ed hladk\u00fd chod kladky.<\/p>\n\n<\/div>\n<\/div>\n

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                          V jak\u00fdch sc\u00e9n\u00e1\u0159\u00edch jsou kladky je\u0159\u00e1b\u016f vhodn\u011bj\u0161\u00ed k pou\u017eit\u00ed?<\/h3>\n
                          \n\n

                          V\u00e1lcovan\u00e9 je\u0159\u00e1bov\u00e9 kladky se pou\u017e\u00edvaj\u00ed \u010dasto, jsou odoln\u00e9 proti opot\u0159eben\u00ed a maj\u00ed vysokou p\u0159esnost. Dok\u00e1\u017eou odolat velk\u00fdm kroutic\u00edm moment\u016fm a pokud je pr\u016fm\u011br kladky v\u011bt\u0161\u00ed ne\u017e 600 mm, d\u00e1vaj\u00ed se p\u0159ednost v\u00e1lcovan\u00fdm je\u0159\u00e1bov\u00fdm kladk\u00e1m. Proto se v\u00e1lcovan\u00e9 je\u0159\u00e1bov\u00e9 kladky \u0161iroce pou\u017e\u00edvaj\u00ed v t\u011b\u017ek\u00e9m pr\u016fmyslu, jako jsou ocel\u00e1\u0159sk\u00e9 linky, stavba lod\u00ed, v\u011btrn\u00e1 energie a leteck\u00fd pr\u016fmysl.<\/p>\n\n<\/div>\n<\/div>\n

                          \n

                          Jak by se m\u011bly udr\u017eovat valiv\u00e9 kladky?<\/h3>\n
                          \n\n

                          \u010ci\u0161t\u011bn\u00ed drah kladkostroj\u016f je\u0159\u00e1b\u016f vy\u017eaduje pou\u017eit\u00ed neutr\u00e1ln\u00edho \u010distic\u00edho prost\u0159edku. Po \u010di\u0161t\u011bn\u00ed je t\u0159eba opravit v\u0161echna m\u00edsta s odlupuj\u00edc\u00ed se barvou, aby se zajistilo, \u017ee povrch kladkostroje je kompletn\u011b pokryt barvou a zabr\u00e1nilo se oxidaci. D\u00e1le je nutn\u00e9 pravideln\u011b kontrolovat ocelov\u00e9 dr\u00e1ty, zda neobsahuj\u00ed rez nebo ot\u0159epy. Pokud se n\u011bjak\u00e9 objev\u00ed, je t\u0159eba je neprodlen\u011b opravit, aby se zabr\u00e1nilo v\u00e1\u017en\u00e9mu opot\u0159eben\u00ed kladkostroj\u016f je\u0159\u00e1b\u016f.<\/p>\n\n<\/div>\n<\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"Je\u0159\u00e1bov\u00e9 kladky se vyr\u00e1b\u011bj\u00ed z vysokopevnostn\u00edch ocelov\u00fdch plech\u016f procesem v\u00e1lcov\u00e1n\u00ed za tepla. V\u00e1lcov\u00e1n\u00ed za tepla zahrnuje tvarov\u00e1n\u00ed ocelov\u00e9ho plechu p\u0159i vysok\u00fdch teplot\u00e1ch za \u00fa\u010delem dosa\u017een\u00ed specifick\u00e9 velikosti a tvaru. Tento proces zlep\u0161uje pevnost a tvrdost kladky a z\u00e1rove\u0148 sni\u017euje spot\u0159ebu surovin. Jsou \u0161iroce pou\u017e\u00edv\u00e1ny v p\u0159\u00edstavn\u00edch stroj\u00edch, zdvihac\u00edch za\u0159\u00edzen\u00edch, t\u011b\u017eebn\u00edch stroj\u00edch a [\u2026]","protected":false},"author":8,"featured_media":16656,"parent":7830,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"single-new-Product.php","format":"standard","meta":{"_acf_changed":false,"rank_math_lock_modified_date":false,"pgc_sgb_lightbox_settings":"","footnotes":""},"categories":[568],"tags":[1050],"class_list":["post-16651","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-other-cranes-parts","tag-xgcrane-sheaves"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.dgcrane.com\/cs\/wp-json\/wp\/v2\/posts\/16651"}],"collection":[{"href":"https:\/\/www.dgcrane.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.dgcrane.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.dgcrane.com\/cs\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/www.dgcrane.com\/cs\/wp-json\/wp\/v2\/comments?post=16651"}],"version-history":[{"count":4,"href":"https:\/\/www.dgcrane.com\/cs\/wp-json\/wp\/v2\/posts\/16651\/revisions"}],"predecessor-version":[{"id":16683,"href":"https:\/\/www.dgcrane.com\/cs\/wp-json\/wp\/v2\/posts\/16651\/revisions\/16683"}],"up":[{"embeddable":true,"href":"https:\/\/www.dgcrane.com\/cs\/wp-json\/wp\/v2\/posts\/7830"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.dgcrane.com\/cs\/wp-json\/wp\/v2\/media\/16656"}],"wp:attachment":[{"href":"https:\/\/www.dgcrane.com\/cs\/wp-json\/wp\/v2\/media?parent=16651"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.dgcrane.com\/cs\/wp-json\/wp\/v2\/categories?post=16651"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.dgcrane.com\/cs\/wp-json\/wp\/v2\/tags?post=16651"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}