{"id":2144,"date":"2026-01-09T07:52:42","date_gmt":"2026-01-09T07:52:42","guid":{"rendered":"https:\/\/hephaprecision.com\/?post_type=wpkj_product&#038;p=2144"},"modified":"2026-01-15T07:23:50","modified_gmt":"2026-01-15T07:23:50","slug":"pg-grinding-punch-2","status":"publish","type":"wpkj_product","link":"https:\/\/hephaprecision.com\/pt\/products\/pg-grinding-punch-2\/","title":{"rendered":"Pun\u00e7\u00e3o de retifica\u00e7\u00e3o PG para matrizes de estampagem progressiva"},"content":{"rendered":"<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Pun\u00e7\u00e3o de retifica\u00e7\u00e3o PG para matrizes de estampagem de precis\u00e3o\" width=\"1290\" height=\"726\" src=\"https:\/\/www.youtube.com\/embed\/HFctcoO1u64?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h2 id=\"gspb_heading-id-gsbp-6a19acc\" class=\"gspb_heading gspb_heading-id-gsbp-6a19acc\">Alcance da precis\u00e3o de retifica\u00e7\u00e3o PG \u00b10,001mm<\/h2>\n\n\n\n<div class=\"wp-block-greenshift-blocks-row gspb_row gspb_row-id-gsbp-f1d33b6\" id=\"gspb_row-id-gsbp-f1d33b6\"><div class=\"gspb_row__content\"> \n<div class=\"wp-block-greenshift-blocks-row-column gspb_row__col--6 gspb_col-id-gsbp-3be6ad0\" id=\"gspb_col-id-gsbp-3be6ad0\">\n<p>O pun\u00e7\u00e3o de retifica\u00e7\u00e3o PG foi concebido para aplica\u00e7\u00f5es exigentes de estampagem e de ferramentas.  Nestas aplica\u00e7\u00f5es, a precis\u00e3o dimensional e a consist\u00eancia do perfil s\u00e3o fundamentais. PG \u00e9 uma tecnologia que utiliza <a href=\"https:\/\/hephaprecision.com\/pt\/precision-profile-grinding\/\">retifica\u00e7\u00e3o de perfis \u00f3pticos<\/a>. Permite um controlo superior de arestas vivas, contornos complexos e micro carater\u00edsticas, assegurando um desempenho est\u00e1vel em matrizes de precis\u00e3o.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-greenshift-blocks-row-column gspb_row__col--6 gspb_col-id-gsbp-b828e6f\" id=\"gspb_col-id-gsbp-b828e6f\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"755\" src=\"https:\/\/hephaprecision.com\/wp-content\/uploads\/2026\/01\/PG-Grinding-Punch-1024x755.png\" alt=\"\" class=\"wp-image-2223\" srcset=\"https:\/\/hephaprecision.com\/wp-content\/uploads\/2026\/01\/PG-Grinding-Punch-1024x755.png 1024w, https:\/\/hephaprecision.com\/wp-content\/uploads\/2026\/01\/PG-Grinding-Punch-300x221.png 300w, https:\/\/hephaprecision.com\/wp-content\/uploads\/2026\/01\/PG-Grinding-Punch-768x566.png 768w, https:\/\/hephaprecision.com\/wp-content\/uploads\/2026\/01\/PG-Grinding-Punch.png 1070w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n <\/div><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"gspb_heading-id-gsbp-72ee566\">Capacidades t\u00e9cnicas<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Par\u00e2metro<\/th><th>Valores t\u00edpicos \/ Notas<\/th><\/tr><\/thead><tbody><tr><td>Precis\u00e3o dimensional<\/td><td>\u00b10,001 mm<\/td><\/tr><tr><td>Rugosidade da superf\u00edcie (Ra)<\/td><td>0,1 - 0,2 \u03bcm t\u00edpico<\/td><\/tr><tr><td>Repetibilidade<\/td><td>\u00b10,002 mm<\/td><\/tr><tr><td>Tamanho m\u00ednimo do elemento<\/td><td>0,1 mm borda\/fenda<\/td><\/tr><tr><td>Tamanho m\u00e1ximo da pe\u00e7a<\/td><td>At\u00e9 400 mm \u00d7 200 mm \u00d7 150 mm (depende do modelo da m\u00e1quina)<\/td><\/tr><tr><td>Dureza m\u00e1xima do material<\/td><td>HRC 68 (carboneto de tungst\u00e9nio, a\u00e7o para ferramentas)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>Ponto-chave:<\/strong>&nbsp;PG destaca-se em&nbsp;<strong>pe\u00e7as pequenas, delicadas ou de paredes finas<\/strong>&nbsp;sem deforma\u00e7\u00e3o.<\/p>\n\n\n\n<h4 id=\"gspb_heading-id-gsbp-f32dc07\" class=\"gspb_heading gspb_heading-id-gsbp-f32dc07\">Geometria de perfil limpa e exacta, controlo preciso do raio (R) e acabamento de superf\u00edcie suave<\/h4>\n\n\n\n<p>Todos os golpes de moagem PG s\u00e3o <strong>geometria de perfil limpa e exacta, controlo preciso do raio (R) e acabamento de superf\u00edcie suave<\/strong>. S\u00e3o importantes para reduzir o desgaste, melhorar a vida \u00fatil do pun\u00e7\u00e3o e garantir uma qualidade de corte consistente durante opera\u00e7\u00f5es de estampagem de grande volume.  O processo PG \u00e9 especialmente adequado para os pun\u00e7\u00f5es seguintes: <\/p>\n\n\n\n<div class=\"wp-block-greenshift-blocks-visibility-block gspb-content-visibility gspb_id-gsbp-314509c\"><div class=\"gspbcssvisibilitycontent\">\n<div class=\"wp-block-greenshift-blocks-visibility-block gspb-content-visibility gspb_id-gsbp-fa6af48\"><div class=\"gspbcssvisibilitycontent\">\n<div class=\"wp-block-greenshift-blocks-iconlist gspb_iconsList gspb_iconsList-id-gsbp-c478646\" id=\"gspb_iconsList-id-gsbp-c478646\"><div class=\"gspb_iconsList__item\" data-id=\"0\"><svg class=\"\" style=\"display:inline-block;vertical-align:middle\" width=\"18\" height=\"18\" viewbox=\"0 0 1152 1024\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path style=\"fill:#565D66\" d=\"M927.4 0h-702.8c-8.4 0-16.2 4.4-20.6 11.6l-200.6 325.6c-5.4 8.8-4.4 20.2 2.4 28l552 650.4c9.6 11.2 26.8 11.2 36.4 0l552-650.4c6.8-7.8 7.6-19.2 2.4-28l-200.6-325.6c-4.4-7.2-12.2-11.6-20.6-11.6zM900.2 72l148.6 248h-166l-113.6-248h131zM690 72l113.6 248h-455.4l113.8-248h228zM251.8 72h131l-113.6 248h-166l148.6-248zM122.4 384h146l163.6 384-309.6-384zM346.4 384h459l-229.4 527.6-229.6-527.6zM720 768l163.6-384h146l-309.6 384z\"><\/path><\/svg><span class=\"gspb_iconsList__item__text\">formas complexas<\/span><\/div><\/div>\n\n\n\n<div class=\"wp-block-greenshift-blocks-iconlist gspb_iconsList gspb_iconsList-id-gsbp-b839db5\" id=\"gspb_iconsList-id-gsbp-b839db5\"><div class=\"gspb_iconsList__item\" data-id=\"0\"><svg class=\"\" style=\"display:inline-block;vertical-align:middle\" width=\"18\" height=\"18\" viewbox=\"0 0 1152 1024\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path style=\"fill:#565D66\" d=\"M927.4 0h-702.8c-8.4 0-16.2 4.4-20.6 11.6l-200.6 325.6c-5.4 8.8-4.4 20.2 2.4 28l552 650.4c9.6 11.2 26.8 11.2 36.4 0l552-650.4c6.8-7.8 7.6-19.2 2.4-28l-200.6-325.6c-4.4-7.2-12.2-11.6-20.6-11.6zM900.2 72l148.6 248h-166l-113.6-248h131zM690 72l113.6 248h-455.4l113.8-248h228zM251.8 72h131l-113.6 248h-166l148.6-248zM122.4 384h146l163.6 384-309.6-384zM346.4 384h459l-229.4 527.6-229.6-527.6zM720 768l163.6-384h146l-309.6 384z\"><\/path><\/svg><span class=\"gspb_iconsList__item__text\">perfis escalonados<\/span><\/div><\/div>\n\n\n\n<div class=\"wp-block-greenshift-blocks-iconlist gspb_iconsList gspb_iconsList-id-gsbp-fcde315\" id=\"gspb_iconsList-id-gsbp-fcde315\"><div class=\"gspb_iconsList__item\" data-id=\"0\"><svg class=\"\" style=\"display:inline-block;vertical-align:middle\" width=\"18\" height=\"18\" viewbox=\"0 0 1152 1024\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path style=\"fill:#565D66\" d=\"M927.4 0h-702.8c-8.4 0-16.2 4.4-20.6 11.6l-200.6 325.6c-5.4 8.8-4.4 20.2 2.4 28l552 650.4c9.6 11.2 26.8 11.2 36.4 0l552-650.4c6.8-7.8 7.6-19.2 2.4-28l-200.6-325.6c-4.4-7.2-12.2-11.6-20.6-11.6zM900.2 72l148.6 248h-166l-113.6-248h131zM690 72l113.6 248h-455.4l113.8-248h228zM251.8 72h131l-113.6 248h-166l148.6-248zM122.4 384h146l163.6 384-309.6-384zM346.4 384h459l-229.4 527.6-229.6-527.6zM720 768l163.6-384h146l-309.6 384z\"><\/path><\/svg><span class=\"gspb_iconsList__item__text\">pormenores de forma\u00e7\u00e3o<\/span><\/div><\/div>\n\n\n\n<div class=\"wp-block-greenshift-blocks-iconlist gspb_iconsList gspb_iconsList-id-gsbp-b1e17af\" id=\"gspb_iconsList-id-gsbp-b1e17af\"><div class=\"gspb_iconsList__item\" data-id=\"0\"><svg class=\"\" style=\"display:inline-block;vertical-align:middle\" width=\"18\" height=\"18\" viewbox=\"0 0 1152 1024\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path style=\"fill:#565D66\" d=\"M927.4 0h-702.8c-8.4 0-16.2 4.4-20.6 11.6l-200.6 325.6c-5.4 8.8-4.4 20.2 2.4 28l552 650.4c9.6 11.2 26.8 11.2 36.4 0l552-650.4c6.8-7.8 7.6-19.2 2.4-28l-200.6-325.6c-4.4-7.2-12.2-11.6-20.6-11.6zM900.2 72l148.6 248h-166l-113.6-248h131zM690 72l113.6 248h-455.4l113.8-248h228zM251.8 72h131l-113.6 248h-166l148.6-248zM122.4 384h146l163.6 384-309.6-384zM346.4 384h459l-229.4 527.6-229.6-527.6zM720 768l163.6-384h146l-309.6 384z\"><\/path><\/svg><span class=\"gspb_iconsList__item__text\">micro-pun\u00e7\u00f5es de pequenas dimens\u00f5es na gama de 2-3 mm<\/span><\/div><\/div>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<p>O processo de moagem PG suporta uma vasta gama de materiais. Para refer\u00eancia, os materiais mais utilizados s\u00e3o os seguintes.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 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-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h6 id=\"gspb_heading-id-gsbp-391c7b9\" class=\"gspb_heading gspb_heading-id-gsbp-391c7b9\"> Carboneto de tungst\u00e9nio <br> (WC-Co)<\/h6>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h6 id=\"gspb_heading-id-gsbp-8af63ea\" class=\"gspb_heading gspb_heading-id-gsbp-8af63ea\"> Pun\u00e7\u00e3o HSS para metalurgia do p\u00f3 <br> (PM-HSS)<\/h6>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h6 id=\"gspb_heading-id-gsbp-11403aa\" class=\"gspb_heading gspb_heading-id-gsbp-11403aa\"> Pun\u00e7\u00e3o de a\u00e7o r\u00e1pido <br> (HSS M2)<\/h6>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h6 id=\"gspb_heading-id-gsbp-ec9e8ba\" class=\"gspb_heading gspb_heading-id-gsbp-ec9e8ba\"> Pun\u00e7\u00e3o de a\u00e7o para ferramentas para trabalho a frio<br> (DC53)<\/h6>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<p>Numa palavra, est\u00e3o dispon\u00edveis tanto as condi\u00e7\u00f5es macias como as endurecidas. E isso depende apenas dos requisitos do projeto e da aplica\u00e7\u00e3o. Para satisfazer as necessidades funcionais de cada projeto espec\u00edfico de pun\u00e7\u00e3o, a PG Grinding controla o estado da superf\u00edcie e a qualidade das arestas, a geometria do perfil.<\/p>\n\n\n\n<div class=\"wp-block-greenshift-blocks-row gspb_row gspb_row-id-gsbp-ceb206d\" id=\"gspb_row-id-gsbp-ceb206d\"><div class=\"gspb_row__content\"> \n<div class=\"wp-block-greenshift-blocks-row-column gspb_row__col--6 gspb_col-id-gsbp-5df3ac6\" id=\"gspb_col-id-gsbp-5df3ac6\">\n<p>Durante o processo de fabrico, aplicamos a inspe\u00e7\u00e3o dimensional e o controlo do processo.  Este passo assegura a consist\u00eancia e a repetibilidade, garantindo que o nosso pun\u00e7\u00e3o de retifica\u00e7\u00e3o PG \u00e9 adequado tanto para o desenvolvimento de prot\u00f3tipos como para a produ\u00e7\u00e3o repetida. A Hepha Precision apoia projectos personalizados, encomendas de pequenos lotes e prazos de entrega est\u00e1veis. Por conseguinte, os desenhos t\u00e9cnicos s\u00e3o bem-vindos para avalia\u00e7\u00e3o. Al\u00e9m disso, cada projeto \u00e9 tratado com uma abordagem orientada para as ferramentas, de modo a garantir um desempenho fi\u00e1vel em aplica\u00e7\u00f5es de estampagem reais.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"1000\" src=\"https:\/\/hephaprecision.com\/wp-content\/uploads\/2026\/01\/PG-Granding-Punch.jpg\" alt=\"\" class=\"wp-image-2145\" srcset=\"https:\/\/hephaprecision.com\/wp-content\/uploads\/2026\/01\/PG-Granding-Punch.jpg 1000w, https:\/\/hephaprecision.com\/wp-content\/uploads\/2026\/01\/PG-Granding-Punch-300x300.jpg 300w, https:\/\/hephaprecision.com\/wp-content\/uploads\/2026\/01\/PG-Granding-Punch-150x150.jpg 150w, https:\/\/hephaprecision.com\/wp-content\/uploads\/2026\/01\/PG-Granding-Punch-768x768.jpg 768w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-greenshift-blocks-row-column gspb_row__col--6 gspb_col-id-gsbp-696dc36\" id=\"gspb_col-id-gsbp-696dc36\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"683\" height=\"1024\" src=\"https:\/\/hephaprecision.com\/wp-content\/uploads\/2026\/01\/dimensional-inspection1-683x1024.jpg\" alt=\"\" class=\"wp-image-2228\" style=\"aspect-ratio:2\/3;object-fit:cover\" srcset=\"https:\/\/hephaprecision.com\/wp-content\/uploads\/2026\/01\/dimensional-inspection1-683x1024.jpg 683w, https:\/\/hephaprecision.com\/wp-content\/uploads\/2026\/01\/dimensional-inspection1-200x300.jpg 200w, https:\/\/hephaprecision.com\/wp-content\/uploads\/2026\/01\/dimensional-inspection1-768x1152.jpg 768w, https:\/\/hephaprecision.com\/wp-content\/uploads\/2026\/01\/dimensional-inspection1.jpg 800w\" sizes=\"auto, (max-width: 683px) 100vw, 683px\" \/><\/figure>\n<\/div>\n <\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Technical Capabilities Parameter Typical Values \/ Notes Dimensional accuracy \u00b10.001 mm Surface roughness (Ra) 0.1 \u2013 0.2 \u03bcm typical Repeatability \u00b10.002 mm Minimum feature size 0.1 mm edge\/slot Maximum part size Up to 400 mm \u00d7 200 mm \u00d7 150 mm (depends on machine model) Max material hardness HRC 68 (tungsten carbide, tool steel) Key [&hellip;]<\/p>","protected":false},"author":1,"featured_media":2146,"template":"","meta":{"_acf_changed":false,"_gspb_post_css":"#gspb_row-id-gsbp-f1d33b6{justify-content:space-between;margin-top:0;margin-bottom:0;display:flex;flex-wrap:wrap}#gspb_row-id-gsbp-f1d33b6>.gspb_row__content{display:flex;justify-content:space-between;margin:0 auto;width:100%;flex-wrap:wrap}.gspb_row{position:relative}div[id^=gspb_col-id]{box-sizing:border-box;position:relative;padding:var(--gs-row-column-padding, 15px min(3vw, 20px))}#gspb_col-id-gsbp-3be6ad0.gspb_row__col--6{width:50%}@media (max-width:575.98px){#gspb_col-id-gsbp-3be6ad0.gspb_row__col--6{width:100%}}#gspb_col-id-gsbp-b828e6f.gspb_row__col--6{width:50%}@media 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