{"id":1424,"date":"2021-04-21T13:58:46","date_gmt":"2021-04-21T05:58:46","guid":{"rendered":"https:\/\/www.symachining.com\/?p=1424"},"modified":"2021-04-21T13:58:46","modified_gmt":"2021-04-21T05:58:46","slug":"why-should-pay-attention-to-the-selection-material-of-cnc-machined-parts","status":"publish","type":"post","link":"https:\/\/www.symachining.com\/it\/why-should-pay-attention-to-the-selection-material-of-cnc-machined-parts\/","title":{"rendered":"Perch\u00e9 prestare attenzione al materiale di selezione dei pezzi lavorati a CNC?"},"content":{"rendered":"

Selezione della materia prima dei pezzi lavorati a CNC.<\/p>\n\n\n\n

\u00c8 importante che gli ingegneri scelgano il materiale delle parti lavorate a controllo numerico, per poi progettare i prodotti. La scelta del materiale giusto pu\u00f2 far risparmiare tempo e denaro per il prossimo lavoro.<\/p>\n\n\n\n

L'anno scorso abbiamo ricevuto un ordine di alcuni prodotti in delrin, c'era una piastra con molti fori, di dimensioni: 525x325x15 mm. Abbiamo fatto del nostro meglio per lavorarla con la fresa a controllo numerico, ma abbiamo riscontrato una grande deformazione dopo la finitura. Anche se non vi \u00e8 alcuna nota di planarit\u00e0 sul disegno, ma \u00e8 fuori di 0,5 mm, non pensiamo che possa essere utilizzato, dopo la comunicazione con il cliente, possono utilizzare solo entro 0,1 mm di planarit\u00e0.<\/p>\n\n\n\n

\"\"<\/a>\n
Parti lavorate a CNC<\/figcaption>\n<\/figure>\n\n\n\n

Abbiamo ricostruito questa piastra di delrin ancora una volta.Sappiamo che la grande tensione interna di Delrin, al fine di prevenire lo stress e la deformazione.<\/p>\n\n\n\n

1. Abbiamo effettuato il trattamento termico, per eliminare lo stress interno prima della lavorazione.<\/p>\n\n\n\n

    \n
  1. Lavorare la lastra in pi\u00f9 fasi e mantenere un lungo intervallo di tempo tra una fase e l'altra, per avere il tempo sufficiente per raffreddare la temperatura del pezzo.<\/li>\n<\/ol>\n\n\n\n
    \"\"<\/a>\n
    Piastra in Delrin fuori piano<\/figcaption>\n<\/figure>\n\n\n\n

    Ma anche la seconda volta non \u00e8 stata adatta alla dimensione della lastra, 525x325x15 mm, per la quale non \u00e8 possibile praticare molti fori. La piastra si \u00e8 deformata durante il processo di fresatura dei fori. Infine, non vogliamo far perdere tempo al cliente, mostrandogli il fatto e chiedendogli di annullare l'ordine.<\/p>\n\n\n\n

    Quasi una settimana dopo, il cliente ci ha ordinato un'altra piastra simile in alluminio, e anche questa volta abbiamo portato a termine il lavoro.<\/p>\n\n\n\n

    Lettura correlata: Selezione della tolleranza corretta per i componenti lavorati<\/a><\/p>","protected":false},"excerpt":{"rendered":"

    Selezione della materia prima dei pezzi lavorati a CNC. Per gli ingegneri \u00e8 importante scegliere il materiale dei pezzi lavorati a controllo numerico, per poi progettare i prodotti. La scelta del materiale giusto pu\u00f2 far risparmiare tempo e denaro per il prossimo lavoro. L'anno scorso, abbiamo ricevuto un ordine di alcuni prodotti in delrin, c'era una piastra con molti fori, dimensioni: 525x325x15 mm. Abbiamo fatto [...]<\/p>","protected":false},"author":2,"featured_media":1425,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[16],"tags":[],"class_list":["post-1424","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-machined-parts-material"],"acf":[],"yoast_head":"\nWhy should pay attention to the selection material of CNC machined parts? - 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\/why-should-pay-attention-to-the-selection-material-of-cnc-machined-parts\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Why should pay attention to the selection material of CNC machined parts? - SYM Precision Machining Manufacturer China\" \/>\n<meta property=\"og:description\" content=\"Selecting raw material of CNC machined parts. 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