{"id":20685,"date":"2024-05-08T05:00:05","date_gmt":"2024-05-08T10:00:05","guid":{"rendered":"https:\/\/www.insta-pro.com\/blog\/strategie-commerciale-et-financement\/signes-dusure-des-pieces\/"},"modified":"2024-05-08T05:00:05","modified_gmt":"2024-05-08T10:00:05","slug":"signes-dusure-des-pieces","status":"publish","type":"post","link":"https:\/\/instapro.spinuhost.com\/fr\/blog\/ingenierie-maintenance\/signes-dusure-des-pieces\/","title":{"rendered":"signes d&rsquo;usure des pi\u00e8ces"},"content":{"rendered":"<p>L\u2019une des questions les plus pos\u00e9es par les clients lorsqu\u2019ils rencontrent des probl\u00e8mes avec leurs extrudeuses concerne la dur\u00e9e de vie d\u2019une pi\u00e8ce. Une simple inspection de la chambre d&rsquo;entr\u00e9e et des vis d&rsquo;alimentation d&rsquo;entr\u00e9e de votre extrudeuse peut d\u00e9terminer la n\u00e9cessit\u00e9 de remplacer des pi\u00e8ces. Il est recommand\u00e9 de d\u00e9monter compl\u00e8tement l&rsquo;extrudeuse une fois par mois et de v\u00e9rifier son usure.<\/p>\n<p>La chambre d\u2019entr\u00e9e de l\u2019extrudeuse est souvent n\u00e9glig\u00e9e car elle g\u00e9n\u00e8re moins de chaleur et de pression. Le produit extrud\u00e9 est plus abrasif \u00e0 ce stade, c\u2019est souvent l\u00e0 que se trouve la plus grande usure. Un amp\u00e9rage instable et une surtension de l&rsquo;extrudeuse indiquent g\u00e9n\u00e9ralement des pi\u00e8ces us\u00e9es dans l&rsquo;entr\u00e9e. La rotation des vis dans l&rsquo;entr\u00e9e peut augmenter consid\u00e9rablement la dur\u00e9e de vie de ces pi\u00e8ces.<\/p>\n<p>Les conseils suivants expliquent ce qu&rsquo;il faut rechercher et comment r\u00e9soudre les probl\u00e8mes\u00a0:<\/p>\n<p>1) Chambres de compression d&rsquo;entr\u00e9e et interm\u00e9diaire\u00a0: Si les rayures dans les chambres sont us\u00e9es et lisses, la chambre peut \u00eatre reconstruite par soudage avec une tige en acier doux pour ramener la hauteur des rayures \u00e0 sa dimension d&rsquo;origine (ces dimensions peuvent \u00eatre trouv\u00e9es dans le manuel de l&rsquo;op\u00e9rateur). manuel). Il est seulement recommand\u00e9 de reconstruire les chambres une ou deux fois. Si des piq\u00fbres dans la pi\u00e8ce moul\u00e9e d&rsquo;origine sont \u00e9videntes, assurez-vous de la remplacer.<\/p>\n<p>2) Vis\u00a0:\u00a0les vis pr\u00e9sentant des ailettes tr\u00e8s arrondies ou pointues doivent \u00eatre remplac\u00e9es. Ne reconstruisez jamais une vis. Une fissure dans la vis est \u00e9galement un indicateur qu\u2019il est temps de la changer.<\/p>\n<p>3) Porter des manchons\u00a0: Les manchons d&rsquo;usure obtiendront une rainure visible avec le temps. Cela indiquera une usure sur la moiti\u00e9 de la surface du manchon, la surface us\u00e9e \u00e9tant visiblement plus fine que la surface non port\u00e9e. Les manchons d&rsquo;usure peuvent \u00eatre tourn\u00e9s une fois avant d&rsquo;\u00eatre remplac\u00e9s en desserrant la vis de r\u00e9glage dans la chambre de compression et en utilisant un long poin\u00e7on pour chasser le manchon d&rsquo;usure. Il est retourn\u00e9 bout \u00e0 bout et replac\u00e9 dans la chambre.<\/p>\n<p>4) Sas \u00e0 vapeur : L\u2019usure des sas \u00e0 vapeur est remarqu\u00e9e lorsque les bords ext\u00e9rieurs deviennent ronds au lieu d\u2019\u00eatre plats et que les rainures sur la face du sas \u00e0 vapeur deviennent lisses. En outre, la perte de 1\/8 de pouce du diam\u00e8tre ext\u00e9rieur peut signaler le moment d\u2019un changement. Les fissures indiquent la n\u00e9cessit\u00e9 d&rsquo;un remplacement.<\/p>\n<p>5) Balles\u00a0: Les balles qui ont une extr\u00e9mit\u00e9 effil\u00e9e pointue ou un bord ext\u00e9rieur arrondi doivent \u00eatre remplac\u00e9es.<\/p>\n<p>6) C\u00f4nes de nez\u00a0: Les c\u00f4nes de nez doivent \u00eatre remplac\u00e9s si la face int\u00e9rieure pr\u00e9sente une conicit\u00e9 arrondie ou des rainures importantes. Une inspection mensuelle peut \u00e9viter des temps d\u2019arr\u00eat co\u00fbteux et \u00e9galement \u00e9conomiser sur le co\u00fbt des pi\u00e8ces. Si des pi\u00e8ces d\u00e9passent leur dur\u00e9e de vie normale, elles peuvent entra\u00eener une usure pr\u00e9matur\u00e9e d\u2019autres pi\u00e8ces.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>L\u2019une des questions les plus pos\u00e9es par les clients lorsqu\u2019ils rencontrent des probl\u00e8mes avec leurs extrudeuses concerne la dur\u00e9e de vie d\u2019une pi\u00e8ce. Une simple inspection de la chambre d&rsquo;entr\u00e9e et des vis d&rsquo;alimentation d&rsquo;entr\u00e9e de votre extrudeuse peut d\u00e9terminer la n\u00e9cessit\u00e9 de remplacer des pi\u00e8ces. Il est recommand\u00e9 de d\u00e9monter compl\u00e8tement l&rsquo;extrudeuse une fois [&hellip;]<\/p>\n","protected":false},"author":17,"featured_media":18130,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[7177],"tags":[620,578,816,550],"class_list":["post-20685","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ingenierie-maintenance","tag-durabilite-des-pieces-dusure-pour-lextrusion-fr","tag-equipement-durable-et-fiable-fr","tag-parts-fr","tag-produits-extrudes-fr"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.2 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>signes d&#039;usure des pi\u00e8ces - Insta-Pro<\/title>\n<meta name=\"description\" content=\"L&#039;une des questions les plus fr\u00e9quemment pos\u00e9es par les clients lorsqu&#039;ils rencontrent des probl\u00e8mes avec leurs extrudeuses est la dur\u00e9e de vie d&#039;une pi\u00e8ce. 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