{"id":2174,"date":"2020-09-17T14:58:54","date_gmt":"2020-09-17T14:58:54","guid":{"rendered":"http:\/\/boyanmfg.com\/?post_type=product&#038;p=2174"},"modified":"2020-09-17T14:58:55","modified_gmt":"2020-09-17T14:58:55","slug":"thick-walled-injection-molding","status":"publish","type":"product","link":"https:\/\/boyanmfg.com\/pt\/shop\/thick-walled-injection-molding\/","title":{"rendered":"Guia de pl\u00e1stico para moldagem por inje\u00e7\u00e3o de paredes grossas"},"content":{"rendered":"<h2><span style=\"color: #993366;\">Carril de guia pl\u00e1stico de parede espessa<\/span><\/h2>\n<p>A sele\u00e7\u00e3o do material correto \u00e9 a chave para a moldagem por inje\u00e7\u00e3o de paredes espessas das pe\u00e7as pl\u00e1sticas. Para este trilho guia, a altera\u00e7\u00e3o do material resolveu todos os problemas que encontr\u00e1mos anteriormente: empenamento, afundamento e flex\u00e3o (todos devidos \u00e0 contra\u00e7\u00e3o do material).<\/p>\n<p>Este trilho guia pl\u00e1stico tem paredes s\u00f3lidas e espessas, n\u00e3o h\u00e1 al\u00edvios ou ranhuras devido \u00e0s suas limita\u00e7\u00f5es. Existem 4 furos ao longo do seu comprimento para parafusos de montagem.<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone wp-image-2178\" src=\"https:\/\/boyanmfg.com\/wp-content\/uploads\/2020\/09\/thick-wall-plastic-parts-guide-rails.jpg\" alt=\"calhas de guia para pe\u00e7as de pl\u00e1stico de parede espessa\" width=\"750\" height=\"563\" srcset=\"https:\/\/boyanmfg.com\/wp-content\/uploads\/2020\/09\/thick-wall-plastic-parts-guide-rails.jpg 1000w, https:\/\/boyanmfg.com\/wp-content\/uploads\/2020\/09\/thick-wall-plastic-parts-guide-rails-600x450.jpg 600w, https:\/\/boyanmfg.com\/wp-content\/uploads\/2020\/09\/elementor\/thumbs\/thick-wall-plastic-parts-guide-rails-ovlgrwtrgh0tjaf0sx6pjrsb9mbx2o123rh1fgm18q.jpg 300w, https:\/\/boyanmfg.com\/wp-content\/uploads\/2020\/09\/thick-wall-plastic-parts-guide-rails-768x576.jpg 768w, https:\/\/boyanmfg.com\/wp-content\/uploads\/2020\/09\/elementor\/thumbs\/thick-wall-plastic-parts-guide-rails-ovlgrwtsobt4158omtdrj2o67hxhwy8zc6or2mgiig.jpg 400w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/p>\n<h2><span style=\"color: #993366;\">Especifica\u00e7\u00e3o da pe\u00e7a:<\/span><\/h2>\n<table style=\"width: 50%;\">\n<tbody>\n<tr>\n<td width=\"320\">Material<\/td>\n<td width=\"320\">PP 50% LFT<\/td>\n<\/tr>\n<tr>\n<td width=\"320\">Dimens\u00f5es<\/td>\n<td width=\"320\">205*22.5*11 mm<\/td>\n<\/tr>\n<tr>\n<td width=\"320\">Espessura da parede<\/td>\n<td width=\"320\">11 mm<\/td>\n<\/tr>\n<tr>\n<td width=\"320\">Peso<\/td>\n<td width=\"320\">60 gramas<\/td>\n<\/tr>\n<tr>\n<td width=\"320\">Cor<\/td>\n<td width=\"320\">preto<\/td>\n<\/tr>\n<tr>\n<td width=\"320\">Embalagem<\/td>\n<td width=\"320\">a granel em caixas<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><span style=\"color: #993366;\">Pontos cr\u00edticos de qualidade<\/span><\/h2>\n<ul>\n<li>\n<h4><span style=\"color: #993366;\">Marca de afundamento e empenamento<\/span><\/h4>\n<\/li>\n<\/ul>\n<p>A espessura da parede \u00e9 de 11 mm, n\u00e3o \u00e9 particularmente espessa. No entanto, tem uma sec\u00e7\u00e3o transversal que \u00e9 quase quadrada, o que significa que a largura \u00e9 pr\u00f3xima da espessura. Como resultado, haver\u00e1 consequente empenamento ou afundamento na superf\u00edcie.<\/p>\n<p><img decoding=\"async\" class=\"alignnone wp-image-2182 size-full\" src=\"https:\/\/boyanmfg.com\/wp-content\/uploads\/2020\/09\/contraction-of-thick-walled-plastic-part.jpg\" alt=\"contra\u00e7\u00e3o de uma pe\u00e7a pl\u00e1stica de parede espessa\" width=\"600\" height=\"271\" srcset=\"https:\/\/boyanmfg.com\/wp-content\/uploads\/2020\/09\/contraction-of-thick-walled-plastic-part.jpg 600w, https:\/\/boyanmfg.com\/wp-content\/uploads\/2020\/09\/contraction-of-thick-walled-plastic-part-300x136.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<ul>\n<li>\n<h4><span style=\"color: #993366;\">A escolha do material<\/span><\/h4>\n<\/li>\n<\/ul>\n<p>Primeiro utiliz\u00e1mos HDPE para fazer as pe\u00e7as, como se pode ver claramente uma \u00e1rea afundada na imagem. Al\u00e9m disso, as pe\u00e7as est\u00e3o um pouco dobradas.<\/p>\n<p><img decoding=\"async\" class=\"alignnone wp-image-2176 size-full\" src=\"https:\/\/boyanmfg.com\/wp-content\/uploads\/2020\/09\/sink-mark-of-thick-wall-plastic-part.jpg\" alt=\"marca de afundamento em pe\u00e7a de pl\u00e1stico de parede espessa\" width=\"600\" height=\"450\" srcset=\"https:\/\/boyanmfg.com\/wp-content\/uploads\/2020\/09\/sink-mark-of-thick-wall-plastic-part.jpg 600w, https:\/\/boyanmfg.com\/wp-content\/uploads\/2020\/09\/sink-mark-of-thick-wall-plastic-part-300x225.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-2179\" src=\"https:\/\/boyanmfg.com\/wp-content\/uploads\/2020\/09\/bending-of-thick-wall-plastic-part-300x300.jpg\" alt=\"Dobragem de pe\u00e7a pl\u00e1stica de parede espessa\" width=\"450\" height=\"450\" srcset=\"https:\/\/boyanmfg.com\/wp-content\/uploads\/2020\/09\/bending-of-thick-wall-plastic-part-300x300.jpg 300w, https:\/\/boyanmfg.com\/wp-content\/uploads\/2020\/09\/bending-of-thick-wall-plastic-part-100x100.jpg 100w, https:\/\/boyanmfg.com\/wp-content\/uploads\/2020\/09\/bending-of-thick-wall-plastic-part-600x600.jpg 600w, https:\/\/boyanmfg.com\/wp-content\/uploads\/2020\/09\/bending-of-thick-wall-plastic-part-150x150.jpg 150w, https:\/\/boyanmfg.com\/wp-content\/uploads\/2020\/09\/bending-of-thick-wall-plastic-part.jpg 750w\" sizes=\"(max-width: 450px) 100vw, 450px\" \/><\/p>\n<p>Mais tarde, experiment\u00e1mos outro material, o PP refor\u00e7ado com fibras de vidro longas (PP 50% LFT), que tem melhor estabilidade dimensional, e estas pareceram muito melhores. N\u00e3o s\u00f3 o afundamento \u00e9 muito menor, como tamb\u00e9m a sua retid\u00e3o est\u00e1 dentro de um n\u00edvel aceit\u00e1vel.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-2181 size-full\" src=\"https:\/\/boyanmfg.com\/wp-content\/uploads\/2020\/09\/PP-50-LFT-thick-wall-plastic-part.jpg\" alt=\"PP 50% Pe\u00e7a de pl\u00e1stico de parede espessa LFT\" width=\"600\" height=\"450\" srcset=\"https:\/\/boyanmfg.com\/wp-content\/uploads\/2020\/09\/PP-50-LFT-thick-wall-plastic-part.jpg 600w, https:\/\/boyanmfg.com\/wp-content\/uploads\/2020\/09\/PP-50-LFT-thick-wall-plastic-part-300x225.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-2180\" src=\"https:\/\/boyanmfg.com\/wp-content\/uploads\/2020\/09\/PP-50-LFT-plastic-part-less-bending-300x300.jpg\" alt=\"Menos flex\u00e3o da pe\u00e7a pl\u00e1stica de PP 50% LFT de parede espessa\" width=\"450\" height=\"450\" srcset=\"https:\/\/boyanmfg.com\/wp-content\/uploads\/2020\/09\/PP-50-LFT-plastic-part-less-bending-300x300.jpg 300w, https:\/\/boyanmfg.com\/wp-content\/uploads\/2020\/09\/PP-50-LFT-plastic-part-less-bending-100x100.jpg 100w, https:\/\/boyanmfg.com\/wp-content\/uploads\/2020\/09\/PP-50-LFT-plastic-part-less-bending-600x600.jpg 600w, https:\/\/boyanmfg.com\/wp-content\/uploads\/2020\/09\/PP-50-LFT-plastic-part-less-bending-150x150.jpg 150w, https:\/\/boyanmfg.com\/wp-content\/uploads\/2020\/09\/PP-50-LFT-plastic-part-less-bending.jpg 750w\" sizes=\"(max-width: 450px) 100vw, 450px\" \/><\/p>\n<p>Como o segundo material (PP 50% LFT) tem uma taxa de contra\u00e7\u00e3o menor do que o primeiro (HDPE), tivemos de modificar o molde para tornar a cavidade do molde cerca de 1 mm mais longa no comprimento de 205 mm, e a localiza\u00e7\u00e3o dos furos tamb\u00e9m precisa de ser ajustada. Esper\u00e1vamos isto antes da produ\u00e7\u00e3o do molde e deix\u00e1mos algum espa\u00e7o para modifica\u00e7\u00e3o, por isso n\u00e3o custou tanto quanto poderia ter custado.<\/p>\n<ul>\n<li>\n<h4><span style=\"color: #993366;\">Toler\u00e2ncia apertada para a dist\u00e2ncia entre furos<\/span><\/h4>\n<\/li>\n<\/ul>\n<p>No que diz respeito aos componentes estruturais, a localiza\u00e7\u00e3o dos furos \u00e9 frequentemente cr\u00edtica para o registo dos componentes de acoplamento.<\/p>\n<p>Para esta pe\u00e7a, as dist\u00e2ncias entre furos precisam de ser mantidas dentro de +\/-0,15 a +\/-0,40 mm.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-2183 size-full\" src=\"https:\/\/boyanmfg.com\/wp-content\/uploads\/2020\/09\/drawing-for-the-plastic-guide-raid.jpg\" alt=\"Desenho para o carril de guia pl\u00e1stico\" width=\"600\" height=\"326\" srcset=\"https:\/\/boyanmfg.com\/wp-content\/uploads\/2020\/09\/drawing-for-the-plastic-guide-raid.jpg 600w, https:\/\/boyanmfg.com\/wp-content\/uploads\/2020\/09\/drawing-for-the-plastic-guide-raid-300x163.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>Primeiro, n\u00e3o fizemos os furos, mas apenas reentr\u00e2ncias menores para verificar quanto a contra\u00e7\u00e3o afeta as localiza\u00e7\u00f5es dos furos. Os furos s\u00e3o adicionados depois de termos feito amostras. Como resultado, as localiza\u00e7\u00f5es dos furos s\u00e3o todas feitas dentro das suas toler\u00e2ncias.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-2177 size-full\" src=\"https:\/\/boyanmfg.com\/wp-content\/uploads\/2020\/09\/thick-wall-injection-molding.jpg\" alt=\"moldagem por inje\u00e7\u00e3o de paredes espessas de trilhos pl\u00e1sticos\" width=\"750\" height=\"750\" srcset=\"https:\/\/boyanmfg.com\/wp-content\/uploads\/2020\/09\/thick-wall-injection-molding.jpg 750w, https:\/\/boyanmfg.com\/wp-content\/uploads\/2020\/09\/thick-wall-injection-molding-300x300.jpg 300w, https:\/\/boyanmfg.com\/wp-content\/uploads\/2020\/09\/thick-wall-injection-molding-100x100.jpg 100w, https:\/\/boyanmfg.com\/wp-content\/uploads\/2020\/09\/thick-wall-injection-molding-600x600.jpg 600w, https:\/\/boyanmfg.com\/wp-content\/uploads\/2020\/09\/thick-wall-injection-molding-150x150.jpg 150w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/p>","protected":false},"excerpt":{"rendered":"<p>Carril de guia de pl\u00e1stico de parede espessa A sele\u00e7\u00e3o do material correto \u00e9 a chave para a moldagem por inje\u00e7\u00e3o de parede espessa das pe\u00e7as de pl\u00e1stico. Para este carril de guia, a altera\u00e7\u00e3o do material resolveu todos os problemas que encontr\u00e1mos anteriormente: empenamento, afundamento e flex\u00e3o (todos devido \u00e0 contra\u00e7\u00e3o do material). Este carril de guia de pl\u00e1stico tem paredes s\u00f3lidas e espessas, h\u00e1\u2026&nbsp;<a href=\"https:\/\/boyanmfg.com\/pt\/shop\/thick-walled-injection-molding\/\" rel=\"bookmark\">Ler mais \u00bb<span class=\"screen-reader-text\">Guia de pl\u00e1stico para moldagem por inje\u00e7\u00e3o de paredes grossas<\/span><\/a><\/p>","protected":false},"featured_media":2175,"comment_status":"closed","ping_status":"closed","template":"","meta":{"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"off","neve_meta_content_width":0,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","neve_meta_reading_time":"","_themeisle_gutenberg_block_has_review":false},"product_brand":[],"product_cat":[54],"product_tag":[],"class_list":{"0":"post-2174","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-plastic-injection-molding","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"acf":[],"_links":{"self":[{"href":"https:\/\/boyanmfg.com\/pt\/wp-json\/wp\/v2\/product\/2174","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/boyanmfg.com\/pt\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/boyanmfg.com\/pt\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/boyanmfg.com\/pt\/wp-json\/wp\/v2\/comments?post=2174"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/boyanmfg.com\/pt\/wp-json\/wp\/v2\/media\/2175"}],"wp:attachment":[{"href":"https:\/\/boyanmfg.com\/pt\/wp-json\/wp\/v2\/media?parent=2174"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/boyanmfg.com\/pt\/wp-json\/wp\/v2\/product_brand?post=2174"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/boyanmfg.com\/pt\/wp-json\/wp\/v2\/product_cat?post=2174"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/boyanmfg.com\/pt\/wp-json\/wp\/v2\/product_tag?post=2174"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}