{"id":15567,"date":"2026-04-03T05:40:08","date_gmt":"2026-04-03T05:40:08","guid":{"rendered":"https:\/\/www.hndfcrane.com\/?p=15567"},"modified":"2026-04-03T06:00:43","modified_gmt":"2026-04-03T06:00:43","slug":"nylon-crane-sheaves","status":"publish","type":"post","link":"https:\/\/www.hndfcrane.com\/it\/nylon-crane-sheaves\/","title":{"rendered":"Pulegge per gru in nylon: leggere e altamente resistenti all&#39;usura"},"content":{"rendered":"<div class=\"pgc-sgb-cb wp-block-pgcsimplygalleryblock-grid  hndfgallery\" data-gallery-id=\"e3503884\"><div class=\"sgb-preloader\" id=\"pr_e3503884\">\n\t<div class=\"sgb-square\" style=\"background:#d4d4d4\"><\/div>\n\t<div class=\"sgb-square\" style=\"background:#d4d4d4\"><\/div>\n\t<div class=\"sgb-square\" style=\"background:#d4d4d4\"><\/div>\n\t<div class=\"sgb-square\" style=\"background:#d4d4d4\"><\/div><\/div><div class=\"simply-gallery-amp pgc_sgb_slider\" style=\"display: none;\"><div class=\"sgb-gallery\"><div class=\"sgb-item\"><a 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decoding=\"async\" alt=\"\" width=\"750\" height=\"750\" loading=\"lazy\" src=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/04\/nylon-crane-sheaves3.webp\" srcset=\",https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/04\/nylon-crane-sheaves3.webp 750w\" sizes=\"250px\"\/><\/a><\/div><div class=\"sgb-item\"><a href=\"https:\/\/www.hndfcrane.com\/it\/nylon-crane-sheaves\/nylon-crane-sheaves\/\" target=\"_blank\"><img decoding=\"async\" alt=\"Pulegge per gru in nylon\" width=\"700\" height=\"470\" loading=\"lazy\" src=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/04\/Nylon-Crane-Sheaves.jpg\" srcset=\",https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/04\/Nylon-Crane-Sheaves.jpg 700w\" sizes=\"250px\"\/><\/a><\/div><div class=\"sgb-item\"><a href=\"https:\/\/www.hndfcrane.com\/it\/nylon-crane-sheaves\/nylon-crane-sheaves7\/\" target=\"_blank\"><img decoding=\"async\" alt=\"\" width=\"388\" height=\"411\" loading=\"lazy\" src=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/04\/Nylon-Crane-Sheaves7.png\" srcset=\",https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/04\/Nylon-Crane-Sheaves7.png 388w\" sizes=\"250px\"\/><\/a><\/div><div class=\"sgb-item\"><a href=\"https:\/\/www.hndfcrane.com\/it\/nylon-crane-sheaves\/nylon-crane-sheaves4\/\" target=\"_blank\"><img decoding=\"async\" alt=\"\" width=\"750\" height=\"750\" loading=\"lazy\" src=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/04\/nylon-crane-sheaves4.webp\" srcset=\",https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/04\/nylon-crane-sheaves4.webp 750w\" sizes=\"250px\"\/><\/a><\/div><div class=\"sgb-item\"><a href=\"https:\/\/www.hndfcrane.com\/it\/nylon-crane-sheaves\/nylon-crane-sheaves5\/\" target=\"_blank\"><img decoding=\"async\" alt=\"\" width=\"750\" height=\"750\" loading=\"lazy\" src=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/04\/nylon-crane-sheaves5.webp\" srcset=\",https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/04\/nylon-crane-sheaves5.webp 750w\" sizes=\"250px\"\/><\/a><\/div><\/div><\/div><script type=\"application\/json\" class=\"sgb-data\">{\"galleryType\":\"pgc_sgb_grid\",\"galleryId\":\"e3503884\",\"images\":[{\"id\":15571,\"title\":\"Nylon Crane 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crane sheaves5\",\"url\":\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/04\/nylon-crane-sheaves5.webp\",\"link\":\"https:\/\/www.hndfcrane.com\/?attachment_id=15575\",\"alt\":\"\",\"description\":\"\",\"caption\":\"\",\"mime\":\"image\/webp\",\"type\":\"image\",\"width\":750,\"height\":750,\"sizes\":{\"thumbnail\":{\"url\":\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/04\/nylon-crane-sheaves5-150x150.webp\",\"height\":150,\"width\":150,\"orientation\":\"landscape\"},\"full\":{\"url\":\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/04\/nylon-crane-sheaves5.webp\",\"height\":750,\"width\":750,\"orientation\":\"landscape\"}},\"imageMeta\":{\"aperture\":\"0\",\"credit\":\"\",\"camera\":\"\",\"caption\":\"\",\"created_timestamp\":\"0\",\"copyright\":\"\",\"focal_length\":\"0\",\"iso\":\"0\",\"shutter_speed\":\"0\",\"title\":\"\",\"orientation\":\"0\",\"keywords\":[]},\"meta\":false,\"postlink\":\"https:\/\/www.hndfcrane.com\/?attachment_id=15575\"}],\"className\":\"hndfgallery\",\"itemsMetaDataCollection\":[]}<\/script><script>(function(){if(window.PGC_SGB && window.PGC_SGB.searcher){window.PGC_SGB.searcher.initBlocks()}})()<\/script><\/div>\n\n\n<h2 class=\"wp-block-heading\" id=\"_UxnudQKR\">Presentazione del prodotto: Pulegge per gru in nylon<\/h2>\n\n\n\n<p>Le pulegge per gru in nylon combinano leggerezza, eccezionale resistenza all&#39;usura ed elevati standard di sicurezza; grazie a metodi di montaggio meticolosamente progettati e a un sistema dimensionalmente compatibile, rappresentano componenti ideali per un&#39;ampia gamma di attrezzature di sollevamento. L&#39;utilizzo del nylon MC come materiale per le pulegge delle gru ne prolunga la durata di circa 4-5 volte e quella delle funi in acciaio di circa 10 volte, migliorando significativamente sia le caratteristiche di sollevamento della gru sia le sue prestazioni operative complessive. Il suo coefficiente di attrito \u00e8 8,8 volte inferiore a quello dell&#39;acciaio e 8,3 volte inferiore a quello del rame, mentre il suo peso specifico \u00e8 solo un settimo di quello dell&#39;acciaio. Inoltre, grazie a un processo produttivo semplice e a costi di produzione relativamente bassi, gli utenti possono ridurre efficacemente le spese, prolungare la durata di attrezzature e componenti e ottenere notevoli vantaggi economici. Di conseguenza, i prodotti in nylon MC si sono affermati come un&#39;alternativa ideale a rame, acciaio inossidabile, leghe di alluminio e PTFE.<\/p>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Vantaggi delle pulegge per gru in nylon<\/h2>\n\n\n\n<p><strong>Estremamente leggero e facile da installare<\/strong><\/p>\n\n\n\n<p>Il nylon, grazie alla sua elevata densit\u00e0 (circa 1,15\u20131,16 g\/cm\u00b3), pesa solo un settimo rispetto al metallo (acciaio). Questo rende le pulegge in nylon estremamente leggere, facilitando l&#39;installazione e la movimentazione e riducendo il peso complessivo dell&#39;attrezzatura. La riduzione del peso dei componenti diminuisce anche il carico del sistema, migliorando cos\u00ec l&#39;efficienza operativa e di lavoro della gru.<\/p>\n\n\n\n<p><strong>Eccellente resistenza all&#39;usura e propriet\u00e0 autolubrificanti<\/strong><\/p>\n\n\n\n<p>La resistenza all&#39;usura del nylon MC \u00e8 otto volte superiore a quella dell&#39;acciaio al carbonio e oltre dieci volte superiore a quella del rame. Il basso coefficiente di attrito e le propriet\u00e0 autolubrificanti delle pulegge per gru in nylon consentono un funzionamento fluido anche con lubrificazione esterna minima o assente.<\/p>\n\n\n\n<p><strong>Eccellente stabilit\u00e0 chimica<\/strong><\/p>\n\n\n\n<p>Le pulegge per gru in nylon presentano un&#39;eccellente resistenza ai solventi comuni come benzina, cherosene, oli lubrificanti, alcoli, eteri e chetoni. Sono particolarmente resistenti agli alcali forti, ma mostrano una resistenza limitata agli acidi forti, come l&#39;acido solforico concentrato e l&#39;acido nitrico concentrato.<\/p>\n\n\n\n<p><strong>Protezione delle funi metalliche<\/strong><\/p>\n\n\n\n<p>Rispetto alle pulegge in acciaio, le pulegge per gru in nylon riducono al minimo l&#39;usura della fune metallica, prolungandone la durata fino a otto volte e riducendo significativamente i costi associati alla sostituzione dei materiali di consumo.<\/p>\n\n\n\n<p><strong>Sicuro e senza scintille.<\/strong><\/p>\n\n\n\n<p>Il funzionamento delle pulegge per gru in nylon non genera scintille dovute all&#39;attrito, migliorando notevolmente la sicurezza in ambienti infiammabili ed esplosivi, come impianti chimici e miniere.<\/p>\n\n\n\n<p><strong>Resistenza alle basse temperature<\/strong><\/p>\n\n\n\n<p>Mantengono prestazioni affidabili anche a basse temperature, risultando quindi adatti all&#39;utilizzo in diverse zone climatiche. La loro temperatura di esercizio a lungo termine non dovrebbe in genere superare i 100 \u00b0C. Il calore eccessivo generato dall&#39;attrito pu\u00f2 causare deformazioni, rendendoli inadatti a condizioni operative estreme che prevedono velocit\u00e0 elevate, carichi pesanti o funzionamento continuo e frequente.<\/p>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Applicazioni delle pulegge per gru in nylon<\/h2>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-1 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"696\" height=\"385\" src=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/04\/Nylon-Crane-Sheaves-for-European-Overhead-Cranes.png\" alt=\"\" class=\"wp-image-15579\" style=\"aspect-ratio:4\/3;object-fit:cover\"\/><\/figure>\n\n\n\n<p>Pulegge in nylon per gru a ponte europee<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"259\" height=\"194\" src=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/04\/Nylon-Crane-Sheaves-for-Truck-Crane.jpg\" alt=\"\" class=\"wp-image-15580\" style=\"aspect-ratio:4\/3;object-fit:cover\"\/><\/figure>\n\n\n\n<p>Pulegge in nylon per gru da camion<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1400\" height=\"887\" src=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/04\/Cast-Crane-Sheaves-for-Tower-Crane.png\" alt=\"\" class=\"wp-image-15581\" style=\"aspect-ratio:4\/3;object-fit:cover\"\/><\/figure>\n\n\n\n<p>Pulegge in ghisa per gru a torre<\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-2 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"2560\" height=\"1709\" src=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/04\/Offshore-Drilling-Rigs.jpeg\" alt=\"\" class=\"wp-image-15576\" style=\"aspect-ratio:4\/3;object-fit:cover\" srcset=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/04\/Offshore-Drilling-Rigs.jpeg 2560w, https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/04\/Offshore-Drilling-Rigs-1536x1025.jpeg 1536w, https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/04\/Offshore-Drilling-Rigs-2048x1367.jpeg 2048w\" sizes=\"(max-width: 2560px) 100vw, 2560px\" \/><\/figure>\n\n\n\n<p>Pulegge in nylon per gru destinate a piattaforme di perforazione offshore (per ambienti a prova di esplosione)<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"726\" height=\"763\" src=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/04\/All-terrain-Cranes.png\" alt=\"\" class=\"wp-image-15577\" style=\"aspect-ratio:4\/3;object-fit:cover\"\/><\/figure>\n\n\n\n<p>Pulegge in nylon per gru fuoristrada (per condizioni di freddo)<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><\/div>\n<\/div>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"_jZa46nJY\">Guida professionale al montaggio delle pulegge per gru in nylon<\/h2>\n\n\n\n<p>Un corretto assemblaggio \u00e8 fondamentale per garantire le prestazioni. Attenersi scrupolosamente a queste istruzioni:<\/p>\n\n\n\n<ol start=\"1\">\n<li><strong>Accoppiamento a interferenza tra nylon e alloggiamento<\/strong>Utilizzare un&#39;interferenza maggiore rispetto a quella per le parti metalliche, tipicamente 1,0%\u20131,2% del diametro esterno, per creare una tensione sufficiente dopo aver pressato la boccola nell&#39;alloggiamento e impedirne l&#39;allentamento. Accoppiamenti tipici: accoppiamento statico 0,10\u20130,15 mm, accoppiamento dinamico 0,5\u20130,8 mm.<\/li>\n<\/ol>\n\n\n\n<ol start=\"2\">\n<li><strong>Spazio tra la boccola in nylon e l&#39;albero<\/strong>Aumentare il gioco a 0,8%\u20131,0% del diametro dell&#39;albero. Ci\u00f2 impedisce che la boccola si stringa attorno all&#39;albero a causa del ritiro dopo la pressatura, evitando grippaggi e surriscaldamento durante il funzionamento.<\/li>\n<\/ol>\n\n\n\n<ol start=\"3\">\n<li><strong>pratica di assemblaggio<\/strong>Le boccole e gli alloggiamenti devono essere pressati in posizione utilizzando appositi strumenti di pressatura. NON martellare o colpire con forza per evitare di danneggiare la struttura in nylon e comprometterne la durata.<\/li>\n<\/ol>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Tabella delle specifiche standard delle pulegge per gru in nylon<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th><strong>Capacit\u00e0 della gru (t)<\/strong><\/th><th><strong>Diametro del cavo metallico (mm)<\/strong><\/th><th><strong>Diametro di lavoro D (mm)<\/strong><\/th><th><strong>Diametro esterno D1 (mm)<\/strong><\/th><th><strong>Raggio di curvatura della scanalatura R (mm)<\/strong><\/th><th><strong>Larghezza totale b (mm)<\/strong><\/th><th><strong>Larghezza della scanalatura w (mm)<\/strong><\/th><th><strong>Spessore della flangia t (mm)<\/strong><\/th><\/tr><\/thead><tbody><tr><td>3.2<\/td><td>10\u201314<\/td><td>300<\/td><td>350<\/td><td>7<\/td><td>40<\/td><td>30<\/td><td>7.8<\/td><\/tr><tr><td>5\u201310<\/td><td>10\u201314<\/td><td>400<\/td><td>450<\/td><td>8.5<\/td><td>40<\/td><td>30<\/td><td>9.5<\/td><\/tr><tr><td>15\u201320<\/td><td>14\u201319<\/td><td>500<\/td><td>565<\/td><td>10<\/td><td>55<\/td><td>40<\/td><td>9.5<\/td><\/tr><tr><td>32<\/td><td>19\u201323.5<\/td><td>610<\/td><td>680<\/td><td>12<\/td><td>59<\/td><td>45<\/td><td>9.5<\/td><\/tr><tr><td>52<\/td><td>23,5\u201330<\/td><td>710<\/td><td>785<\/td><td>13<\/td><td>64<\/td><td>48<\/td><td>9.5<\/td><\/tr><tr><td>75<\/td><td>30\u201337<\/td><td>800<\/td><td>920<\/td><td>18<\/td><td>90<\/td><td>70<\/td><td>13.5<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">Tabella delle specifiche standard delle pulegge per gru in nylon<\/figcaption><\/figure>\n\n\n\n<p><em>Nota:<\/em>\u00a0Questi sono valori di configurazione standard. I valori contrassegnati con D (diametro di lavoro) devono corrispondere al diametro della fune metallica. Misure personalizzate disponibili su richiesta.<\/p>","protected":false},"excerpt":{"rendered":"Nylon Crane Sheaves Product Introduction Nylon crane sheaves combine lightweight construction, exceptional wear resistance, and high safety standards; featuring meticulously engineered mounting methods and a fully dimensionally compatible system, they serve as ideal components for a wide range of lifting equipment. The use of MC nylon as the material for crane sheaves extends the service [&hellip;]","protected":false},"author":3,"featured_media":15573,"parent":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"single-new-Product.php","format":"standard","meta":{"_acf_changed":false,"pgc_sgb_lightbox_settings":"","footnotes":""},"categories":[34],"tags":[768,767,773,769],"acf":[],"_links":{"self":[{"href":"https:\/\/www.hndfcrane.com\/it\/wp-json\/wp\/v2\/posts\/15567"}],"collection":[{"href":"https:\/\/www.hndfcrane.com\/it\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.hndfcrane.com\/it\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.hndfcrane.com\/it\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hndfcrane.com\/it\/wp-json\/wp\/v2\/comments?post=15567"}],"version-history":[{"count":3,"href":"https:\/\/www.hndfcrane.com\/it\/wp-json\/wp\/v2\/posts\/15567\/revisions"}],"predecessor-version":[{"id":15583,"href":"https:\/\/www.hndfcrane.com\/it\/wp-json\/wp\/v2\/posts\/15567\/revisions\/15583"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.hndfcrane.com\/it\/wp-json\/wp\/v2\/media\/15573"}],"wp:attachment":[{"href":"https:\/\/www.hndfcrane.com\/it\/wp-json\/wp\/v2\/media?parent=15567"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.hndfcrane.com\/it\/wp-json\/wp\/v2\/categories?post=15567"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.hndfcrane.com\/it\/wp-json\/wp\/v2\/tags?post=15567"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}