{"id":160,"date":"2022-02-24T21:06:05","date_gmt":"2022-02-24T20:06:05","guid":{"rendered":"https:\/\/people.unipi.it\/roberto_dirienzo\/?page_id=160"},"modified":"2022-02-24T21:06:06","modified_gmt":"2022-02-24T20:06:06","slug":"drawing-machine","status":"publish","type":"page","link":"https:\/\/people.unipi.it\/roberto_dirienzo\/meccatronica-dalla-teoria-alla-pratica\/drawing-machine\/","title":{"rendered":"Drawing machine"},"content":{"rendered":"\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-top is-layout-flow wp-block-column-is-layout-flow\">\n<h2 class=\"has-black-color has-text-color wp-block-heading\">Obiettivo<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"> Il progetto consiste nella realizzazione di un plotter 2d a partire da un incisore cnc 3018, i cui motori stepper sono pilotati dalla scheda NXP tramite uno shield arduino dedicato. Il sistema interpreta file Gcode generati automaticamente da dei plugin per InkScape dedicati alle incisioni laser.<br>Le istruzioni vengono mandate tramite UART,<br>e la comunicazione viene gestita tramite uno script python in quanto il software interpreta una riga alla volta, ricevendo singolarmente i caratteri.<br>Il sistema \u00e8 in grado di realizzare ogni tipo di movimento lineare (con una ottima risoluzione, venendo praticamente limitata dallo spessore del tratto impiegato), e di controllare finemente l&#8217;asse Z. <\/p>\n\n\n\n<div class=\"wp-block-file aligncenter\"><a href=\"https:\/\/people.unipi.it\/roberto_dirienzo\/wp-content\/uploads\/sites\/605\/2022\/02\/Relazione-Drawing-Machine-Martino-Vannoni.pdf\">  Relazione del progetto  <\/a><a href=\"https:\/\/people.unipi.it\/roberto_dirienzo\/wp-content\/uploads\/sites\/605\/2022\/02\/Relazione-Drawing-Machine-Martino-Vannoni.pdf\" class=\"wp-block-file__button\" download>Download<\/a><\/div>\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-large\"><a href=\"https:\/\/people.unipi.it\/roberto_dirienzo\/wp-content\/uploads\/sites\/605\/2022\/02\/1645211850464-2.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"991\" height=\"1024\" src=\"https:\/\/people.unipi.it\/roberto_dirienzo\/wp-content\/uploads\/sites\/605\/2022\/02\/1645211850464-2-991x1024.jpg\" alt=\"\" class=\"wp-image-164\" srcset=\"https:\/\/people.unipi.it\/roberto_dirienzo\/wp-content\/uploads\/sites\/605\/2022\/02\/1645211850464-2-991x1024.jpg 991w, https:\/\/people.unipi.it\/roberto_dirienzo\/wp-content\/uploads\/sites\/605\/2022\/02\/1645211850464-2-290x300.jpg 290w, https:\/\/people.unipi.it\/roberto_dirienzo\/wp-content\/uploads\/sites\/605\/2022\/02\/1645211850464-2-768x794.jpg 768w, https:\/\/people.unipi.it\/roberto_dirienzo\/wp-content\/uploads\/sites\/605\/2022\/02\/1645211850464-2.jpg 1302w\" sizes=\"auto, (max-width: 991px) 100vw, 991px\" \/><\/a><\/figure>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"has-black-color has-text-color wp-block-heading\">Architettura del progetto<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><br>Il sistema \u00e8 costituito da due parti principali: una parte \u00e8 dedicata al salvataggio del comando in arrivo dalla porta seriale e alla sua successiva interpretazione, e l&#8217;altra calcola i parametri necessari per comandare correttamente i tre motori della macchina. I due sottosistemi comunicano tra di loro tramite semafori e informazioni accessibili come variabili globali. <\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/people.unipi.it\/roberto_dirienzo\/wp-content\/uploads\/sites\/605\/2022\/02\/image-8.png\"><img loading=\"lazy\" decoding=\"async\" width=\"904\" height=\"746\" src=\"https:\/\/people.unipi.it\/roberto_dirienzo\/wp-content\/uploads\/sites\/605\/2022\/02\/image-8.png\" alt=\"\" class=\"wp-image-168\" srcset=\"https:\/\/people.unipi.it\/roberto_dirienzo\/wp-content\/uploads\/sites\/605\/2022\/02\/image-8.png 904w, https:\/\/people.unipi.it\/roberto_dirienzo\/wp-content\/uploads\/sites\/605\/2022\/02\/image-8-300x248.png 300w, https:\/\/people.unipi.it\/roberto_dirienzo\/wp-content\/uploads\/sites\/605\/2022\/02\/image-8-768x634.png 768w\" sizes=\"auto, (max-width: 904px) 100vw, 904px\" \/><\/a><\/figure>\n\n\n\n<h2 class=\"has-black-color has-text-color wp-block-heading\">Verifica e risultati ottenuti<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Il risultato finale ha permesso di realizzare ogni file Gcode purch\u00e9 formattato correttamente<br>(ovvero, come gi\u00e0 accennato, senza dover interpretare comandi per generare linee curve),<br>e a una velocit\u00e0 pi\u00f9 che soddisfacente.<\/p>\n\n\n\n<figure class=\"wp-block-video\"><video height=\"720\" style=\"aspect-ratio: 720 \/ 720;\" width=\"720\" controls src=\"https:\/\/people.unipi.it\/roberto_dirienzo\/wp-content\/uploads\/sites\/605\/2022\/02\/video3.mp4\"><\/video><\/figure>\n\n\n\n<h2 class=\"has-black-color has-text-color wp-block-heading\">Per i pi\u00f9 nerd&#8230;<\/h2>\n\n\n\n<figure class=\"wp-block-video\"><video height=\"720\" style=\"aspect-ratio: 1280 \/ 720;\" width=\"1280\" controls src=\"https:\/\/people.unipi.it\/roberto_dirienzo\/wp-content\/uploads\/sites\/605\/2022\/02\/video_2.mp4\"><\/video><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Obiettivo Il progetto consiste nella realizzazione di un plotter 2d a partire da un incisore cnc 3018, i cui motori&hellip;<\/p>\n<p><a class=\"btn btn-dark btn-sm unipi-read-more-link\" href=\"https:\/\/people.unipi.it\/roberto_dirienzo\/meccatronica-dalla-teoria-alla-pratica\/drawing-machine\/\">Leggi tutto&#8230;<\/a><\/p>\n","protected":false},"author":638,"featured_media":0,"parent":68,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-160","page","type-page","status-publish","hentry"],"acf":[],"featured_image_src":null,"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - 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