{"id":2536,"date":"2026-09-10T03:13:58","date_gmt":"2026-09-10T03:13:58","guid":{"rendered":"https:\/\/hephaprecision.com\/?p=2536"},"modified":"2026-09-10T03:14:00","modified_gmt":"2026-09-10T03:14:00","slug":"sinker-edm-vs-profile-grinding","status":"publish","type":"post","link":"https:\/\/hephaprecision.com\/es\/sinker-edm-vs-profile-grinding\/","title":{"rendered":"Dise\u00f1o del perfil de un punz\u00f3n: \u00bfelectroerosi\u00f3n por hundimiento o rectificado de perfiles?"},"content":{"rendered":"<p>Un peque\u00f1o cambio en la geometr\u00eda del punz\u00f3n puede, en ocasiones, dar lugar a un proceso de fabricaci\u00f3n significativamente diferente.<\/p>\n\n\n\n<p>Recientemente, hemos recibido un plano de un troquel de estampaci\u00f3n con una transici\u00f3n escalonada en un tramo de aproximadamente 11 mm.<\/p>\n\n\n\n<p>Durante nuestra revisi\u00f3n t\u00e9cnica previa a la producci\u00f3n, nos dimos cuenta de que la geometr\u00eda escalonada original requerir\u00eda <strong>Electroerosi\u00f3n por hundimiento de precisi\u00f3n<\/strong> para realizar la transici\u00f3n.<\/p>\n\n\n\n<p>En lugar de fabricar la pieza tal y como se hab\u00eda dise\u00f1ado originalmente, acordamos con el cliente una peque\u00f1a modificaci\u00f3n geom\u00e9trica.<\/p>\n\n\n\n<p>La transici\u00f3n escalonada se cambi\u00f3 por una <strong>transici\u00f3n semicircular<\/strong>.<\/p>\n\n\n\n<p>Este peque\u00f1o cambio en el dise\u00f1o nos permiti\u00f3 rematar el perfil utilizando <strong>Rectificado de perfiles<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"the-original-punch-design\">El dise\u00f1o original del Punch<\/h2>\n\n\n\n<p>El dibujo original presentaba una transici\u00f3n escalonada en la secci\u00f3n de 11 mm.<\/p>\n\n\n\n<p>La geometr\u00eda era factible desde el punto de vista de la fabricaci\u00f3n, pero para conseguir esta transici\u00f3n concreta ser\u00eda necesaria una operaci\u00f3n de electroerosi\u00f3n de precisi\u00f3n.<\/p>\n\n\n\n<p>Para este tipo de caracter\u00edstica, el electroerosionado por penetraci\u00f3n puede ser un proceso de fabricaci\u00f3n adecuado. Sin embargo, supondr\u00eda un requisito de proceso adicional para este componente.<\/p>\n\n\n\n<p>En el caso de un punz\u00f3n de estampaci\u00f3n de precisi\u00f3n, la elecci\u00f3n del proceso puede influir en:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Control de perfiles<\/li>\n\n\n\n<li>Tiempo de mecanizado<\/li>\n\n\n\n<li>Complejidad del proceso<\/li>\n\n\n\n<li>Coste de fabricaci\u00f3n<\/li>\n\n\n\n<li>Geometr\u00eda final<\/li>\n<\/ul>\n\n\n\n<p>Por eso revisamos la geometr\u00eda antes de la producci\u00f3n, en lugar de fijarnos \u00fanicamente en las dimensiones nominales.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"431\" src=\"https:\/\/hephaprecision.com\/wp-content\/uploads\/2026\/09\/Sinker-EDM-or-Profile-Grinding-1024x431.png\" alt=\"\" class=\"wp-image-2537\" srcset=\"https:\/\/hephaprecision.com\/wp-content\/uploads\/2026\/09\/Sinker-EDM-or-Profile-Grinding-1024x431.png 1024w, https:\/\/hephaprecision.com\/wp-content\/uploads\/2026\/09\/Sinker-EDM-or-Profile-Grinding-300x126.png 300w, https:\/\/hephaprecision.com\/wp-content\/uploads\/2026\/09\/Sinker-EDM-or-Profile-Grinding-768x323.png 768w, https:\/\/hephaprecision.com\/wp-content\/uploads\/2026\/09\/Sinker-EDM-or-Profile-Grinding-18x8.png 18w, https:\/\/hephaprecision.com\/wp-content\/uploads\/2026\/09\/Sinker-EDM-or-Profile-Grinding.png 1284w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"a-small-geometry-change\">Un peque\u00f1o cambio geom\u00e9trico<\/h2>\n\n\n\n<p>Nuestro equipo t\u00e9cnico propuso sustituir la transici\u00f3n escalonada por una <strong>radio semicircular<\/strong>.<\/p>\n\n\n\n<p>El cliente revis\u00f3 el cambio propuesto y acept\u00f3 modificar el dise\u00f1o antes de la producci\u00f3n.<\/p>\n\n\n\n<p>Con la geometr\u00eda revisada, la transici\u00f3n podr\u00eda completarse mediante <strong>Rectificado de perfiles<\/strong>.<\/p>\n\n\n\n<p>En el caso de este punz\u00f3n en concreto, esto nos permiti\u00f3 obtener una forma m\u00e1s directa y controlable de conseguir el perfil y la transici\u00f3n deseados.<\/p>\n\n\n\n<p>Adem\u00e1s, nos permiti\u00f3 evitar una operaci\u00f3n adicional de electroerosi\u00f3n por penetraci\u00f3n, lo que contribuy\u00f3 a reducir el tiempo de mecanizado y los costes de fabricaci\u00f3n.<\/p>\n\n\n\n<p>Lo importante no es que el rectificado de perfiles sea siempre mejor que la electroerosi\u00f3n por penetraci\u00f3n.<\/p>\n\n\n\n<p><strong>Los distintos procesos de electroerosi\u00f3n y rectificado presentan diferentes ventajas y aplicaciones.<\/strong><\/p>\n\n\n\n<p>Lo importante es determinar si la geometr\u00eda de la pieza es adecuada para el proceso de fabricaci\u00f3n seleccionado.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"why-geometry-matters-in-precision-tooling\">Por qu\u00e9 la geometr\u00eda es importante en la fabricaci\u00f3n de herramientas de precisi\u00f3n<\/h2>\n\n\n\n<p>Un dibujo puede contener numerosas cotas, radios, escalones y transiciones.<\/p>\n\n\n\n<p>Algunas de estas caracter\u00edsticas pueden parecer relativamente secundarias, pero pueden influir de manera significativa en el proceso de fabricaci\u00f3n del componente.<\/p>\n\n\n\n<p>Por ejemplo, cambiar una transici\u00f3n escalonada por un radio adecuado podr\u00eda abrir una v\u00eda de fabricaci\u00f3n diferente.<\/p>\n\n\n\n<p>En este caso:<\/p>\n\n\n\n<p><strong>Geometr\u00eda original<\/strong><br>Transici\u00f3n escalonada<br>\u2193<br><strong>Electroerosi\u00f3n por hundimiento de precisi\u00f3n<\/strong><\/p>\n\n\n\n<p><strong>Geometr\u00eda revisada<\/strong><br>Transici\u00f3n semicircular<br>\u2193<br><strong>Rectificado de perfiles<\/strong><\/p>\n\n\n\n<p>El componente terminado a\u00fan debe cumplir los requisitos funcionales del utillaje.<\/p>\n\n\n\n<p>Sin embargo, el proceso de fabricaci\u00f3n puede variar simplemente por un cambio geom\u00e9trico relativamente peque\u00f1o.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"652\" height=\"462\" src=\"https:\/\/hephaprecision.com\/wp-content\/uploads\/2026\/09\/Sinker-EDM-or-Profile-Grinding-2.jpg\" alt=\"\" class=\"wp-image-2538\" srcset=\"https:\/\/hephaprecision.com\/wp-content\/uploads\/2026\/09\/Sinker-EDM-or-Profile-Grinding-2.jpg 652w, https:\/\/hephaprecision.com\/wp-content\/uploads\/2026\/09\/Sinker-EDM-or-Profile-Grinding-2-300x213.jpg 300w, https:\/\/hephaprecision.com\/wp-content\/uploads\/2026\/09\/Sinker-EDM-or-Profile-Grinding-2-18x12.jpg 18w\" sizes=\"auto, (max-width: 652px) 100vw, 652px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"profile-grinding-for-precision-punches\">Rectificado de perfiles para punzones de precisi\u00f3n<\/h2>\n\n\n\n<p><strong>Rectificado de perfiles<\/strong> Resulta especialmente \u00fatil para la fabricaci\u00f3n de componentes de herramientas de estampaci\u00f3n de precisi\u00f3n en los que se requieren perfiles, transiciones y radios controlados, as\u00ed como precisi\u00f3n dimensional.<\/p>\n\n\n\n<p>En funci\u00f3n del material, la geometr\u00eda y los requisitos de tolerancia, el rectificado de perfiles puede utilizarse para componentes como:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Troqueles de estampado<\/li>\n\n\n\n<li>Punzones de carburo<\/li>\n\n\n\n<li>Insertos de troquel<\/li>\n\n\n\n<li>Componentes de corte<\/li>\n\n\n\n<li>Componentes de conformado<\/li>\n\n\n\n<li>Componentes de matrices de estampaci\u00f3n de precisi\u00f3n<\/li>\n<\/ul>\n\n\n\n<p>En el caso de geometr\u00edas de punzones complejas, la capacidad de controlar el perfil es una parte importante del proceso de fabricaci\u00f3n.<\/p>\n\n\n\n<p>El objetivo no es simplemente alcanzar una dimensi\u00f3n.<\/p>\n\n\n\n<p>Se trata de reproducir la geometr\u00eda requerida con precisi\u00f3n y de forma coherente.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"design-for-manufacturability-in-stamping-tooling\">Dise\u00f1o orientado a la fabricabilidad en el \u00e1mbito de las herramientas de estampaci\u00f3n<\/h2>\n\n\n\n<p>Este caso tambi\u00e9n pone de relieve un principio sencillo de <strong>Dise\u00f1o orientado a la fabricabilidad (DFM)<\/strong>.<\/p>\n\n\n\n<p>El DFM no siempre implica realizar un cambio importante en un componente.<\/p>\n\n\n\n<p>A veces, una peque\u00f1a modificaci\u00f3n en una caracter\u00edstica puede facilitar la fabricaci\u00f3n de la pieza sin que por ello se vea afectada su funci\u00f3n prevista.<\/p>\n\n\n\n<p>Un radio, una transici\u00f3n o una esquina pueden parecer un peque\u00f1o detalle en un dibujo, pero pueden influir en:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u00bfQu\u00e9 proceso mec\u00e1nico se puede utilizar?<\/li>\n\n\n\n<li>\u00bfCu\u00e1ntas operaciones se necesitan?<\/li>\n\n\n\n<li>C\u00f3mo se puede controlar el perfil<\/li>\n\n\n\n<li>Tiempo de mecanizado<\/li>\n\n\n\n<li>Coste total de fabricaci\u00f3n<\/li>\n<\/ul>\n\n\n\n<p>Por eso, la comunicaci\u00f3n entre el dise\u00f1ador de utillaje y el equipo de fabricaci\u00f3n puede resultar muy \u00fatil antes de que comience la producci\u00f3n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"the-geometry-influences-the-process\">La geometr\u00eda influye en el proceso<\/h2>\n\n\n\n<p>Este proyecto nos ha servido para recordar algo que vemos con frecuencia en el \u00e1mbito de las herramientas de precisi\u00f3n:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>El plano define la geometr\u00eda, pero la geometr\u00eda influye en el proceso de fabricaci\u00f3n.<\/strong><\/p>\n<\/blockquote>\n\n\n\n<p>La mejor ruta de fabricaci\u00f3n no siempre se determina una vez iniciado el mecanizado.<\/p>\n\n\n\n<p>A veces, todo empieza con una peque\u00f1a discusi\u00f3n durante la revisi\u00f3n de los bocetos.<\/p>\n\n\n\n<p>En este caso, un peque\u00f1o cambio en el perfil del punz\u00f3n nos permiti\u00f3 utilizar <strong>Rectificado de perfiles<\/strong> para la transici\u00f3n, en lugar de a\u00f1adir una operaci\u00f3n de electroerosi\u00f3n por hundimiento.<\/p>\n\n\n\n<p>El cliente acept\u00f3 el cambio propuesto y el dise\u00f1o revisado se utiliz\u00f3 para la producci\u00f3n.<\/p>\n\n\n\n<p><strong>Peque\u00f1o cambio en la geometr\u00eda. Proceso de fabricaci\u00f3n diferente.<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"need-precision-profile-grinding-for-stamping-tooling\">\u00bfNecesitas un rectificado de perfiles de precisi\u00f3n para herramientas de estampaci\u00f3n?<\/h2>\n\n\n\n<p>Fabricamos componentes de precisi\u00f3n para matrices de estampaci\u00f3n mediante <strong>Rectificado de perfiles, electroerosi\u00f3n por hilo y otros procesos complementarios<\/strong>, en funci\u00f3n de la geometr\u00eda y los requisitos t\u00e9cnicos.<\/p>\n\n\n\n<p>Entre nuestros \u00e1mbitos de inter\u00e9s se incluyen: <a href=\"https:\/\/hephaprecision.com\/es\/products\/tool-and-die-component-supplier\/\">punzones de precisi\u00f3n<\/a>, <a href=\"https:\/\/hephaprecision.com\/es\/products\/kd20-tungsten-carbide-insert\/\">insertos de troquel<\/a> y otros componentes fundamentales de las herramientas para aplicaciones de estampaci\u00f3n.<\/p>\n\n\n\n<p>Si dispone de un punz\u00f3n o una matriz con un perfil complejo, tolerancias ajustadas o transiciones dif\u00edciles, podemos analizar el plano y determinar el proceso de fabricaci\u00f3n m\u00e1s adecuado.<\/p>\n\n\n\n<p><strong>Hepha Precision Technology<\/strong><br>Rectificado de perfiles de precisi\u00f3n y electroerosi\u00f3n por hilo para utillaje de estampaci\u00f3n<\/p>","protected":false},"excerpt":{"rendered":"<p>A small change in punch geometry can sometimes lead to a significantly different manufacturing process. Recently, we received a stamping die punch drawing with a stepped transition in an approximately 11 mm section. During our technical review before production, we noticed that the original stepped geometry would require precision Sinker EDM to manufacture the transition. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2538,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_gspb_post_css":"","footnotes":""},"categories":[1],"tags":[260,71,252,264,265,259,262,263,261],"class_list":["post-2536","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-company-news","tag-dfm-stamping-die","tag-precision-punch-manufacturing","tag-precision-tooling","tag-profile-grinding-for-stamping-dies","tag-punch-profile-grinding","tag-punch-profile-machining","tag-sinker-edm-or-profile-grinding","tag-sinker-edm-vs-profile-grinding","tag-stamping-die-punch"],"blocksy_meta":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Profile Grinding vs. Sinker EDM for Punch Profiles<\/title>\n<meta name=\"description\" content=\"A small punch profile design 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