{"id":168065,"date":"2019-08-02T17:53:50","date_gmt":"2019-08-02T15:53:50","guid":{"rendered":"https:\/\/www.riggservice.com\/?p=168065"},"modified":"2019-08-02T18:08:40","modified_gmt":"2019-08-02T16:08:40","slug":"hydraulics-elegant-muscle-parte-1","status":"publish","type":"post","link":"https:\/\/www.riggservice.com\/it\/2019\/08\/02\/hydraulics-elegant-muscle-parte-1\/","title":{"rendered":"Hydraulics : Elegant Muscle  parte 1"},"content":{"rendered":"<p><em>Di Steve Loutrel<\/em><\/p>\n<p>Ipotizziamo di navigare di bolina e di avere bisogno di tensionare il paterazzo a 9000 libbre (4 tonnellate) per minimizzare la catenaria dello strallo di prua e appiattire il genoa \u2013 e di nuovo una volta girato intorno alla boa di avere bisogno di rilasciare il carico in controllo completo. \u00c8 possibile farlo semplicemente con con due dita? Ipotizziamo di avere bisogno di rilasciare istantaneamente il vang in una manovra rapida. E se volessimo alzare, abbassare o sbandare la deriva sulla nostra barca da crociera a basso pescaggio? Ipotizziamo di navigare in solitaria e di avere bisogno di abbassare il dinghy, cazzare la randa, alzare l&#8217;ancora, spostare la prua a dritta o a sinistra durante la manovra di approdo? Un sistema idraulico, sia esso configurato in un&#8217;unit\u00e0 per una singola funzione o in un sistema manuale o motorizzato multifunzione, \u00e8 capace di svolgere tutte queste funzioni di lavoro per noi e molto altro.<\/p>\n<p><strong>Applicazioni<\/strong><\/p>\n<p>Laddove \u00e8 necessaria una grande o grandissima forza, un sistema idraulico offre vantaggi significativi rispetto a soluzioni meccaniche o elettromeccaniche. Una notevole potenza pu\u00f2 essere generata da un cilindro idraulico relativamente piccolo; per corse di lunghezza da qualche centimetro fino ad oltre un metro, i sistemi idraulici sono una soluzione elegante per tutti i compiti che richiedono tensionamento, spinta o sollevamento. Per escursioni maggiori, \u00e8 possibile costruire cilindri di lunghezza extra.<br \/>\nL&#8217;idraulica \u00e8 generalmente molto affidabile in applicazioni nautiche.<br \/>\nIl sistema idraulico opera ad alta pressione, e se si verifica una perdita il flusso \u00e8 verso l&#8217;esterno, il che comporta una fuoriuscita di fluido piuttosto che un&#8217;entrata di acqua marina che invaderebbe le installazioni. La maggior parte delle parti critiche e mobili sono all&#8217;interno del cilindro, immerse nel fluido idraulico. Persino componenti idrauliche di tipo commerciale di acciaio pitturato, utilizzate su grandi imbarcazioni da lavoro funzionano per anni nonostante la ruggine sulle parti esterne. Con sistemi e componenti elettrici, al contrario, anche tracce minime di acqua marina possono immediatamente causare problemi. Anche i sistemi idraulici gestiti elettronicamente \u2013 configurazioni che usano motori elettrici, sistemi di controllo e valvole \u2013 sono generalmente pi\u00f9 affidabili rispetto ai sistemi con motori elettrici diretti. I componenti elettrici che asservono il sistema idraulico sono localizzate in un&#8217;area protetta ed asciutta, generalmente nel vano motore. Solo gli attuatori idraulici remoti (i cilindri) saranno esposti all&#8217;ambiente bagnato e salato della coperta.<\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/www.riggservice.com\/wp-content\/uploads\/2019\/01\/forcella-eh120-riggservice-1-300x300.jpg\" alt=\"\" width=\"300\" height=\"300\" class=\"alignright size-medium wp-image-66578\" srcset=\"https:\/\/www.riggservice.com\/wp-content\/uploads\/2019\/01\/forcella-eh120-riggservice-1-300x300.jpg 300w, https:\/\/www.riggservice.com\/wp-content\/uploads\/2019\/01\/forcella-eh120-riggservice-1-150x150.jpg 150w, https:\/\/www.riggservice.com\/wp-content\/uploads\/2019\/01\/forcella-eh120-riggservice-1-768x768.jpg 768w, https:\/\/www.riggservice.com\/wp-content\/uploads\/2019\/01\/forcella-eh120-riggservice-1-570x570.jpg 570w, https:\/\/www.riggservice.com\/wp-content\/uploads\/2019\/01\/forcella-eh120-riggservice-1-500x500.jpg 500w, https:\/\/www.riggservice.com\/wp-content\/uploads\/2019\/01\/forcella-eh120-riggservice-1-700x700.jpg 700w, https:\/\/www.riggservice.com\/wp-content\/uploads\/2019\/01\/forcella-eh120-riggservice-1-600x600.jpg 600w, https:\/\/www.riggservice.com\/wp-content\/uploads\/2019\/01\/forcella-eh120-riggservice-1-100x100.jpg 100w, https:\/\/www.riggservice.com\/wp-content\/uploads\/2019\/01\/forcella-eh120-riggservice-1.jpg 1000w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Di Steve Loutrel Ipotizziamo di navigare di bolina e di avere bisogno di tensionare il paterazzo a 9000 libbre (4 tonnellate) per minimizzare la catenaria dello strallo di prua e appiattire il genoa \u2013 e di nuovo una volta girato intorno alla boa di avere&#8230;<\/p>\n","protected":false},"author":3,"featured_media":66578,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v16.7 - 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