{"id":13115,"date":"2022-09-30T09:51:25","date_gmt":"2022-09-30T01:51:25","guid":{"rendered":"https:\/\/zetarmold.com\/?p=13115"},"modified":"2026-04-04T11:23:28","modified_gmt":"2026-04-04T03:23:28","slug":"sistemas-de-canais-quentes","status":"publish","type":"post","link":"https:\/\/zetarmold.com\/pt\/sistemas-de-canais-quentes\/","title":{"rendered":"An\u00e1lise dos problemas comuns dos sistemas de canais quentes e solu\u00e7\u00f5es"},"content":{"rendered":"<h2 class=\"wp-block-heading\"><span class=\"has-inline-color has-vivid-cyan-blue-color\">1. O coletor t\u00e9rmico n\u00e3o consegue atingir a temperatura definida<\/span>\u00a0\u00a0<\/h2>\n<p><strong>Causa: <\/strong>Mau contacto ou falha do termopar, fio de aquecimento partido, cablagem do fio de aquecimento demasiado solta ou demasiado curta.\u00a0<\/p>\n<p><strong>Solu\u00e7\u00e3o: <\/strong>Verificar se o contacto do termopar est\u00e1 normal A cablagem est\u00e1 correta Verificar o circuito do fio de aquecimento.<\/p>\n<h2 class=\"wp-block-heading\"><span class=\"has-inline-color has-vivid-cyan-blue-color\">2. Aquecimento demasiado lento do coletor t\u00e9rmico\u00a0\u00a0<\/span><\/h2>\n<p><strong>Causa:<\/strong> Uma quebra do fio de aquecimento ou a cablagem est\u00e1 demasiado solta, espa\u00e7o de ar insuficiente no coletor t\u00e9rmico, arrefecimento excessivo na junta de isolamento t\u00e9rmico e mau contacto do termopar.&nbsp;<\/p>\n<p><strong>Solu\u00e7\u00e3o:<\/strong> Verificar todos os fios de aquecimento, aumentar a folga de ar, pelo menos 10 mm, ou utilizar uma placa de isolamento t\u00e9rmico, adicionar uma placa de isolamento t\u00e9rmico na placa de fixa\u00e7\u00e3o da matriz fixa (placa inferior) ou baixar o arrefecimento na placa de fixa\u00e7\u00e3o da matriz fixa inferior, verificar se o termopar est\u00e1 bom.\u00a0<\/p>\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-1 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"564\" height=\"204\" src=\"https:\/\/zetarmold.com\/wp-content\/uploads\/2022\/09\/Hot-Runner-System-3.png\" alt=\"\" class=\"wp-image-13123\" srcset=\"https:\/\/zetarmold.com\/wp-content\/uploads\/2022\/09\/Hot-Runner-System-3.png 564w, https:\/\/zetarmold.com\/wp-content\/uploads\/2022\/09\/Hot-Runner-System-3-300x109.png 300w\" sizes=\"(max-width: 564px) 100vw, 564px\" \/><\/figure>\n<\/div>\n<\/div>\n<\/div>\n<h2 class=\"wp-block-heading\"><span class=\"has-inline-color has-vivid-cyan-blue-color\">3. Instabilidade da temperatura do coletor t\u00e9rmico\u00a0<\/span><\/h2>\n<p><strong>Causa: <\/strong>Mau contacto do termopar<\/p>\n<p><strong>Solu\u00e7\u00e3o<\/strong>: Verificar o termopar<\/p>\n<h2 class=\"wp-block-heading\"><span class=\"has-inline-color has-vivid-cyan-blue-color\">4. Fragmentos met\u00e1licos na massa fundida\u00a0\u00a0<\/span><\/h2>\n<p><strong>Causa:<\/strong> Detritos no <a rel=\"noreferrer noopener\" href=\"https:\/\/zetarmold.com\/pt\/\" data-type=\"URL\" data-id=\"https:\/\/zetarmold.com\/\" target=\"_blank\">moldagem por inje\u00e7\u00e3o<\/a> parafuso de m\u00e1quina, fragmentos de metal no material de inje\u00e7\u00e3o.<\/p>\n<p><strong>Solu\u00e7\u00e3o:<\/strong> Retirar os fragmentos de metal para reparar as impurezas do pl\u00e1stico filtrado por parafusos.<\/p>\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-2 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/zetarmold.com\/wp-content\/uploads\/2022\/09\/Hot-Runner-System-3.jpg\" alt=\"\" class=\"wp-image-13122\" height=\"300\" srcset=\"https:\/\/zetarmold.com\/wp-content\/uploads\/2022\/09\/Hot-Runner-System-3.jpg 564w, https:\/\/zetarmold.com\/wp-content\/uploads\/2022\/09\/Hot-Runner-System-3-300x202.jpg 300w\" sizes=\"(max-width: 564px) 100vw, 564px\" \/><\/figure>\n<\/div>\n<\/div>\n<\/div>\n<h2 class=\"wp-block-heading\"><span class=\"has-inline-color has-vivid-cyan-blue-color\">5. Fuga de material na superf\u00edcie de combina\u00e7\u00e3o do coletor t\u00e9rmico e do bocal t\u00e9rmico\u00a0\u00a0<\/span><\/h2>\n<p><strong>Motivo:<\/strong> Incorrect calculation of expansion amount, inconsistent processing height of W surface, fixed mold fixing plate (bottom plate) material is too soft, the temperature of the hot manifold is too high for a short period, and the installation of the &#8220;O&#8221; seal is problematic.&nbsp;<\/p>\n<p><strong>Solu\u00e7\u00e3o:<\/strong> Recalculate and check the expansion amount, check the height of the correct W surface, replace the fixed plate (base plate) with the appropriate hardness, and replace the damaged parts and the &#8220;O&#8221; seal ring.<\/p>\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-3 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"564\" height=\"445\" src=\"https:\/\/zetarmold.com\/wp-content\/uploads\/2022\/09\/Hot-Runner-Systems-5.jpg\" alt=\"\" class=\"wp-image-13119\" srcset=\"https:\/\/zetarmold.com\/wp-content\/uploads\/2022\/09\/Hot-Runner-Systems-5.jpg 564w, https:\/\/zetarmold.com\/wp-content\/uploads\/2022\/09\/Hot-Runner-Systems-5-300x237.jpg 300w\" sizes=\"(max-width: 564px) 100vw, 564px\" \/><\/figure>\n<\/div>\n<\/div>\n<\/div>\n<h2 class=\"wp-block-heading\"><span class=\"has-inline-color has-vivid-cyan-blue-color\">6. Tamp\u00e3o de compensa\u00e7\u00e3o do coletor quente com fugas de borracha\u00a0<\/span><\/h2>\n<p><strong>Causa:<\/strong> Sem junta<\/p>\n<p><strong>Solu\u00e7\u00e3o:<\/strong> Instalar a junta de veda\u00e7\u00e3o.<\/p>\n<h2 class=\"wp-block-heading\"><span class=\"has-inline-color has-vivid-cyan-blue-color\">7. A garrafa de \u00f3leo (g\u00e1s) n\u00e3o funciona\u00a0\u00a0<\/span><\/h2>\n<p><strong>Causa: <\/strong>N\u00e3o h\u00e1 ar \/ \u00f3leo hidr\u00e1ulico no cilindro, o sistema do cilindro pneum\u00e1tico\/hidr\u00e1ulico encravou, a press\u00e3o do sistema n\u00e3o \u00e9 suficiente.&nbsp;&nbsp;<\/p>\n<p><strong>Solu\u00e7\u00e3o:<\/strong> Verificar se a tubagem, a fuga da bomba, o bloqueio, verificar o cilindro e o pist\u00e3o, verificar se a tubagem de alimenta\u00e7\u00e3o est\u00e1 excessivamente dobrada, se o pist\u00e3o e a agulha da v\u00e1lvula s\u00e3o flex\u00edveis.\u00a0<\/p>\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-4 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/zetarmold.com\/wp-content\/uploads\/2022\/09\/Hot-Runner-SYstem-Manufacturer-4.jpg\" alt=\"\" class=\"wp-image-13124\" width=\"423\" height=\"400\"\/><\/figure>\n<\/div>\n<\/div>\n<\/div>\n<h2 class=\"wp-block-heading\"><span class=\"has-inline-color has-vivid-cyan-blue-color\">8. O sistema de cilindros est\u00e1 bloqueado\u00a0\u00a0<\/span><\/h2>\n<p><strong>Causa:<\/strong> O corpo do cilindro, o coletor quente, o bocal quente, etc. n\u00e3o est\u00e3o centrados, a placa fixa da matriz fixa (placa inferior) acumula demasiado calor.&nbsp;<\/p>\n<p><strong>Solu\u00e7\u00e3o: <\/strong>Ajustar a concentricidade do corpo do cilindro, do coletor e do bocal quente \u00e0 volta do corpo do cilindro para aumentar o arrefecimento.<\/p>\n<h2 class=\"wp-block-heading\"><span class=\"has-inline-color has-vivid-cyan-blue-color\">9. Sobreaquecimento e encravamento do bloco de cilindros\u00a0<\/span>\u00a0<\/h2>\n<p><strong>Causa:<\/strong> O corpo do cilindro, o coletor quente, o bocal quente, etc. n\u00e3o s\u00e3o conc\u00eantricos, a placa de fixa\u00e7\u00e3o do molde fixo (placa inferior) tem demasiada acumula\u00e7\u00e3o de calor, a junta e a porca de fixa\u00e7\u00e3o do pino da v\u00e1lvula friccionam.&nbsp;&nbsp;<\/p>\n<p><strong>Solu\u00e7\u00e3o: <\/strong>Ajustar a concentricidade do corpo do cilindro, do coletor quente e do bocal quente, aumentar o arrefecimento \u00e0 volta do corpo do cilindro, ajustar a junta e a porca de fixa\u00e7\u00e3o da cavilha da v\u00e1lvula.<\/p>\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-5 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/zetarmold.com\/wp-content\/uploads\/2022\/05\/hot-runner-systems-1.jpg\" alt=\"\" class=\"wp-image-10062\" width=\"423\" height=\"248\" srcset=\"https:\/\/zetarmold.com\/wp-content\/uploads\/2022\/05\/hot-runner-systems-1.jpg 564w, https:\/\/zetarmold.com\/wp-content\/uploads\/2022\/05\/hot-runner-systems-1-300x176.jpg 300w\" sizes=\"(max-width: 423px) 100vw, 423px\" \/><\/figure>\n<\/div>\n<\/div>\n<\/div>\n<h2 class=\"wp-block-heading\"><span class=\"has-inline-color has-vivid-cyan-blue-color\">10. Fuga \u00e0 volta do casquilho da agulha da v\u00e1lvula\u00a0\u00a0<\/span><\/h2>\n<p><strong>Causa:<\/strong> O casquilho da agulha da v\u00e1lvula no coletor quente est\u00e1 demasiado solto.&nbsp;&nbsp;<\/p>\n<p><strong>Solu\u00e7\u00e3o: <\/strong>Verificar o di\u00e2metro e a altura do orif\u00edcio do coletor quente e o casquilho da agulha da v\u00e1lvula.<\/p>\n<h2 class=\"wp-block-heading\"><span class=\"has-inline-color has-vivid-cyan-blue-color\">11. Material pegajoso da cabe\u00e7a da agulha da v\u00e1lvula<\/span>\u00a0\u00a0<\/h2>\n<p><strong>Causa:<\/strong> N\u00e3o \u00e9 emitido demasiado calor pela agulha da v\u00e1lvula.&nbsp;&nbsp;<\/p>\n<p><strong>Solu\u00e7\u00e3o: <\/strong>Reduzir a temperatura do bocal quente e do port\u00e3o e aumentar o tempo de arrefecimento.<\/p>\n<div style=\"background:#f0f4f8;padding:20px;border-radius:8px;margin-top:30px;\">\n<p style=\"margin:0 0 10px;font-size:18px;\"><strong>Need a Quote for Your Injection Molding Project?<\/strong><\/p>\n<p style=\"margin:0 0 10px;\">Get competitive pricing, DFM feedback, and production timeline from ZetarMold&#8217;s engineering team.<\/p>\n<p style=\"margin:0;\"><a href=\"https:\/\/zetarmold.com\/pt\/contactar-nos\/\" style=\"background:#2563eb;color:white;padding:12px 24px;border-radius:6px;text-decoration:none;font-weight:bold;\">Request a Free Quote \u2192<\/a> See our <a href=\"https:\/\/zetarmold.com\/pt\/injection-mold-complete-guide\/\">Injection Mold Complete Guide<\/a> for a comprehensive overview.<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>1. The thermal manifold cannot reach the set temperature\u00a0\u00a0 Cause: Poor contact or failure of thermocouple, broken heating wire, heating wire wiring is too loose or too short.\u00a0 Solution: Check whether the thermocouple contact is normal wiring is correct check the heating wire circuit. 2. Thermal manifold heating up too slow\u00a0\u00a0 Cause: A heating wire [&hellip;]<\/p>","protected":false},"author":1,"featured_media":53065,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"none","_seopress_titles_title":"Analysis of common problems of hot runner systems | ZetarMold","_seopress_titles_desc":"Discover expert insights on hot runner systems from ZetarMold. We provide professional injection molding services with DFM support, fast prototyping, and","_seopress_robots_index":"","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[73],"tags":[155,189],"meta_box":{"post-to-quiz_to":[]},"_links":{"self":[{"href":"https:\/\/zetarmold.com\/pt\/wp-json\/wp\/v2\/posts\/13115"}],"collection":[{"href":"https:\/\/zetarmold.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/zetarmold.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/zetarmold.com\/pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/zetarmold.com\/pt\/wp-json\/wp\/v2\/comments?post=13115"}],"version-history":[{"count":0,"href":"https:\/\/zetarmold.com\/pt\/wp-json\/wp\/v2\/posts\/13115\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/zetarmold.com\/pt\/wp-json\/wp\/v2\/media\/53065"}],"wp:attachment":[{"href":"https:\/\/zetarmold.com\/pt\/wp-json\/wp\/v2\/media?parent=13115"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/zetarmold.com\/pt\/wp-json\/wp\/v2\/categories?post=13115"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/zetarmold.com\/pt\/wp-json\/wp\/v2\/tags?post=13115"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}