{"id":1687,"date":"2022-05-11T17:16:07","date_gmt":"2022-05-11T09:16:07","guid":{"rendered":"https:\/\/www.symachining.com\/?p=1687"},"modified":"2022-05-11T17:16:07","modified_gmt":"2022-05-11T09:16:07","slug":"selecting-the-right-material-for-mechanical-processing","status":"publish","type":"post","link":"https:\/\/www.symachining.com\/it\/selecting-the-right-material-for-mechanical-processing\/","title":{"rendered":"Selezione del materiale giusto per la lavorazione meccanica"},"content":{"rendered":"
\"custom<\/a>
pezzo di precisione lavorato su misura<\/figcaption><\/figure>\n

Lo spezzone influisce direttamente sul costo della lavorazione meccanica.<\/h3>\n

Nella scelta dello spezzone, \u00e8 necessario considerare non solo i fattori della lavorazione a caldo, ma anche i requisiti della lavorazione a freddo per ridurre i costi di produzione dei pezzi lavorati.<\/p>\n

Esistono quattro tipi di vuoto comunemente utilizzati in lavorazione meccanica<\/a>.<\/p>\n

1. La fusione
\nGeneralmente produciamo lo spezzone di pezzi complicati mediante colata. Esistono principalmente colate in sabbia e colate speciali.<\/p>\n

1.1 Stampo in legno utilizzato per la colata in sabbia, la precisione dello spazio vuoto \u00e8 bassa, l'indennit\u00e0 di lavorazione \u00e8 grande e la produttivit\u00e0 \u00e8 bassa.<\/p>\n

1.2 Lo stampo in metallo per colata speciale ha un'alta produttivit\u00e0 e un'elevata precisione di colata, ma il costo dello stampo \u00e8 elevato e anche il peso dello spezzone di colata \u00e8 limitato. \u00c8 adatto a parti di piccole e medie dimensioni per la produzione su larga scala.<\/p>\n

Inoltre, alcuni piccoli getti con requisiti di qualit\u00e0 elevati possono essere oggetto di colata speciale. Come la colata sotto sforzo, la colata centrifuga, la colata per investimento, ecc.<\/p>\n

\"casting<\/a>
parti di fusione lavorate<\/figcaption><\/figure>\n

2. Forgiatura
\nGeneralmente utilizziamo gli sbozzi di forgiatura per i pezzi in acciaio con requisiti di elevata resistenza meccanica. Esistono due tipi di forgiatura.<\/p>\n

2.1 Forgiatura libera<\/p>\n

Questo tipo di forgiatura ha una bassa precisione, una bassa produttivit\u00e0, un'ampia possibilit\u00e0 di lavorazione e la struttura del pezzo deve essere semplice; \u00e8 adatta alla produzione di pezzi singoli e di piccoli lotti, nonch\u00e9 alla produzione di forgiati su larga scala.<\/p>\n

2.2 Forgiatura a stampo<\/p>\n

La precisione e l'aspetto sono migliori di quelli dei fucinati liberi e la forma dei fucinati pu\u00f2 essere anche pi\u00f9 complessa, per cui la lavorazione pu\u00f2 essere ridotta. La produttivit\u00e0 della forgiatura a stampo \u00e8 molto pi\u00f9 elevata, ma richiede attrezzature e stampi speciali, quindi \u00e8 adatta a forgiati di piccole e medie dimensioni con grandi lotti.<\/p>\n

\"Forging<\/a>
Parti forgiate<\/figcaption><\/figure>\n

3. Profili
\nIn base alla forma della sezione, si distinguono acciaio rotondo, acciaio squadrato, acciaio esagonale, acciaio piatto, acciaio angolare, acciaio a canali e altri profili a sezione speciale.<\/p>\n

Esistono due tipi di profili: laminati a caldo e trafilati a freddo.<\/p>\n

- I profili laminati a caldo hanno una bassa precisione, ma sono economici; li usiamo per gli sbozzi di pezzi generici.<\/p>\n

- I profili trafilati a freddo hanno dimensioni ridotte e un'elevata precisione, sono facili da alimentare automaticamente e vengono utilizzati soprattutto nella produzione di grandi lotti, adatti alla lavorazione automatica.<\/p>\n

\"material<\/a><\/p>\n

4.Parti saldate<\/p>\n

I vantaggi delle parti saldate sono la semplicit\u00e0 di fabbricazione, il ciclo breve e il risparmio di materiale. Lo svantaggio \u00e8 la scarsa resistenza alle vibrazioni e la grande deformazione, per cui \u00e8 preferibile una lavorazione precisa dopo il trattamento termico.<\/p>\n

Inoltre, ci sono altri pezzi grezzi come parti di stampaggio, parti di estrusione a freddo, metallurgia delle polveri, ecc.<\/p>","protected":false},"excerpt":{"rendered":"

Nella scelta dello spezzone \u00e8 necessario considerare non solo i fattori della lavorazione a caldo, ma anche i requisiti della lavorazione a freddo per ridurre i costi di produzione dei pezzi lavorati. Esistono quattro tipi di grezzo comunemente utilizzati nella lavorazione meccanica. [...]<\/p>","protected":false},"author":2,"featured_media":1332,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[16],"tags":[],"class_list":["post-1687","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-machined-parts-material"],"acf":[],"yoast_head":"\nSelecting the right material for mechanical processing - SYM Precision Machining Manufacturer China<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.symachining.com\/it\/selecting-the-right-material-for-mechanical-processing\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Selecting the right material for mechanical processing - SYM Precision Machining Manufacturer China\" \/>\n<meta property=\"og:description\" content=\"The blank will directly affect the cost of mechanical processing. when selecting the blank, it is necessary to consider not only the factors in heat processing, but also take into account the requirements of cold processing to reduce the manufacturing cost of machined parts. 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