{"id":1595,"date":"2024-08-22T11:24:00","date_gmt":"2024-08-22T11:24:00","guid":{"rendered":"https:\/\/www.tumag.be\/?page_id=1595"},"modified":"2026-07-03T05:53:48","modified_gmt":"2026-07-03T05:53:48","slug":"polishing","status":"publish","type":"page","link":"https:\/\/www.tumag.be\/en\/hoge-precisie-productie\/fijnmechanisch-bankwerken\/polijsten\/","title":{"rendered":"Polishing"},"content":{"rendered":"<section class=\"l-section wpb_row us_custom_6de3dc1c has_text_color height_medium\"><div class=\"l-section-overlay\" style=\"background:rgba(3,46,85,0.40)\"><\/div><div class=\"l-section-h i-cf\"><div class=\"g-cols vc_row via_flex valign_middle type_default stacking_default\"><div class=\"vc_col-sm-12 wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><div class=\"w-separator hide_on_tablets hide_on_mobiles size_custom\" style=\"height:150px\" id=\"la9c\"><style>@media(max-width:1599px){ #la9c{height:100px!important}}@media(max-width:767px){ #la9c{height:50px!important}}<\/style><\/div><nav class=\"g-breadcrumbs separator_icon align_none hide_current\" itemscope itemtype=\"http:\/\/schema.org\/BreadcrumbList\"><div class=\"g-breadcrumbs-item\">Pages<\/div><\/nav><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><h1>Polishing of moulds, cutting tools and precision parts<\/h1>\n<\/div><\/div><div class=\"w-separator hide_on_tablets hide_on_mobiles size_small\"><\/div><div class=\"w-btn-wrapper align_none\"><a class=\"w-btn us-btn-style_1\" href=\"\/en\/contact-us\/\"><span class=\"w-btn-label\">Discuss your polishing work with us<\/span><\/a><\/div><\/div><\/div><\/div><\/div><\/div><\/section><section class=\"l-section wpb_row us_custom_cc61401b height_medium\"><div class=\"l-section-h i-cf\"><div class=\"g-cols vc_row via_flex valign_top type_default stacking_default\"><div class=\"vc_col-sm-4\/5 wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><h2>Maximum service life and process control through a high-quality surface finish<\/h2>\n<\/div><\/div><div class=\"g-cols wpb_row via_flex valign_top type_default stacking_default\"><div class=\"vc_col-sm-6 wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><p class=\"translation-block\">For critical technical components, surface quality is decisive for performance. Tumag refines the roughness of your <a href=\"\/en\/injection-molds\/\" target=\"_self\">moulds<\/a> and <a href=\"\/en\/precision-mechanics\/\" target=\"_self\">precision mechanical<\/a> components to the exact specification your process requires.<\/p>\n<ul>\n<li class=\"translation-block\"><strong>Functional precision:<\/strong> eliminating microscopic traces of <a href=\"\/en\/high-precision-production\/machining\/cnc-milling\/\" target=\"_self\">milling<\/a>, <a href=\"\/en\/high-precision-production\/grinding\/\" target=\"_self\">grinding<\/a> and <a href=\"\/en\/high-precision-production\/electrical-discharge-machining\/\" target=\"_self\">spark erosion<\/a> (EDM).<\/li>\n<li class=\"translation-block\"><strong>Preservation of geometry:<\/strong> manual and mechanical polishing with strict preservation of form and flatness tolerances.<\/li>\n<li class=\"translation-block\"><strong>Optimal range:<\/strong> from technically smooth (Ra 0.8 \u00b5m) to ultra-precise mirror finish (&lt; Ra 0.05 \u00b5m).<\/li>\n<\/ul>\n<\/div><\/div><\/div><\/div><\/div><div class=\"vc_col-sm-6 wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><div class=\"w-image align_none\"><div class=\"w-image-h\"><img decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/www.tumag.be\/wp-content\/uploads\/2026\/04\/polijsten-in-progress.webp\" class=\"attachment-large size-large\" alt=\"Polishing: fine finishing of a metal component.\" loading=\"lazy\" srcset=\"https:\/\/www.tumag.be\/wp-content\/uploads\/2026\/04\/polijsten-in-progress.webp 600w, https:\/\/www.tumag.be\/wp-content\/uploads\/2026\/04\/polijsten-in-progress-300x300.webp 300w, https:\/\/www.tumag.be\/wp-content\/uploads\/2026\/04\/polijsten-in-progress-150x150.webp 150w, https:\/\/www.tumag.be\/wp-content\/uploads\/2026\/04\/polijsten-in-progress-12x12.webp 12w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/div><\/div><\/div><\/div><\/div><\/div><div class=\"w-separator hide_on_tablets hide_on_mobiles size_small\"><\/div><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><h2>Why technical polishing is essential<\/h2>\n<\/div><\/div><div class=\"wpb_text_column us_custom_432d3f53\"><div class=\"wpb_wrapper\"><p class=\"translation-block\">Every <a href=\"\/en\/high-precision-production\/machining\/\" target=\"_self\">machining<\/a> operation leaves irregularities that lead to friction and premature wear. Through controlled polishing, we improve the functional properties of the base material without compromising its technical integrity.<\/p>\n<\/div><\/div><div class=\"wpb_text_column us_custom_432d3f53\"><div class=\"wpb_wrapper\"><p><strong>The main benefits at a glance:<\/strong><\/p>\n<ul>\n<li class=\"translation-block\"><strong>Optimal release:<\/strong> crucial for <a href=\"\/en\/injection-molds\/\" target=\"_self\">injection moulds<\/a> to shorten cycle times and prevent product damage (marks\/streaks).<\/li>\n<li class=\"translation-block\"><strong>Extended service life:<\/strong> less material adhesion on <a href=\"\/en\/cutting-dies\/\" target=\"_self\">stamping tools<\/a> reduces burr formation and postpones maintenance.<\/li>\n<li class=\"translation-block\"><strong>Minimal friction:<\/strong> essential for moving <a href=\"\/en\/precision-mechanics\/\" target=\"_self\">precision mechanical components<\/a> to limit heat build-up and mechanical wear.<\/li>\n<li class=\"translation-block\"><strong>Corrosion resistance:<\/strong> a closed, smooth surface offers significantly less grip for oxidation and process contamination.<\/li>\n<\/ul>\n<\/div><\/div><div class=\"w-separator hide_on_tablets hide_on_mobiles size_small\"><\/div><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><h2>Surface quality and Ra value: engineering in numbers<\/h2>\n<\/div><\/div><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><p class=\"translation-block\">At Tumag, we work on the basis of measurable results. The required finish is determined by the application and expressed in the <strong>Ra value<\/strong> (average roughness).<\/p>\n<\/div><\/div><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><table>\n<thead>\n<tr>\n<td><strong>Finish<\/strong><\/td>\n<td><strong>Application<\/strong><\/td>\n<td><strong>Indicative Ra value<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Functionally smooth<\/strong><\/td>\n<td>Contact surfaces, general mechanical engineering<\/td>\n<td>\u00b1 Ra 0,4 \u2013 0,8 \u00b5m<\/td>\n<\/tr>\n<tr>\n<td><strong>Finely polished<\/strong><\/td>\n<td>Mould components, precision components<\/td>\n<td>\u00b1 Ra 0,1 \u2013 0,4 \u00b5m<\/td>\n<\/tr>\n<tr>\n<td><strong>High gloss<\/strong><\/td>\n<td>Visible parts, consumer products<\/td>\n<td>\u00b1 Ra 0,05 \u2013 0,1 \u00b5m<\/td>\n<\/tr>\n<tr>\n<td><strong>Mirror polish<\/strong><\/td>\n<td>Optical components, transparent parts<\/td>\n<td>&lt; Ra 0,05 \u00b5m<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div><\/div><div class=\"w-btn-wrapper align_center\"><a class=\"w-btn us-btn-style_1\" href=\"\/en\/contact-us\/\"><span class=\"w-btn-label\">Discuss your polishing work with us<\/span><\/a><\/div><\/div><\/div><\/div><div class=\"vc_col-sm-1\/5 wpb_column vc_column_container\"><div class=\"vc_column-inner type_sticky\"><div class=\"wpb_wrapper\"><section class=\"l-section wpb_row height_auto width_full\"><div class=\"l-section-h i-cf\"><div class=\"g-cols vc_row via_flex valign_middle type_default stacking_default\"><div class=\"vc_col-sm-12 wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><div class=\"g-cols wpb_row us_custom_f74dd8af via_flex valign_top type_default stacking_default\"><div class=\"vc_col-sm-12 wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><div class=\"wpb_text_column us_custom_b24a7315\"><div class=\"wpb_wrapper\"><p style=\"text-align: center;\"><strong>High Precision Production<\/strong><\/p>\n<\/div><\/div><div class=\"w-btn-wrapper align_justify\"><a class=\"w-btn us-btn-style_2 us_custom_0490361b\" href=\"\/en\/high-precision-production\/machining\/\"><span class=\"w-btn-label\">Machining<\/span><\/a><\/div><div class=\"w-image us_custom_4edece6e hide_on_mobiles align_center\"><div class=\"w-image-h\"><img decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/www.tumag.be\/wp-content\/uploads\/2026\/02\/icon-verspanen.webp\" class=\"attachment-large size-large\" alt=\"machining icon\" loading=\"lazy\" srcset=\"https:\/\/www.tumag.be\/wp-content\/uploads\/2026\/02\/icon-verspanen.webp 150w, https:\/\/www.tumag.be\/wp-content\/uploads\/2026\/02\/icon-verspanen-12x12.webp 12w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><\/div><\/div><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><ul>\n<li><a href=\"\/en\/high-precision-production\/machining\/cnc-turning\/\">CNC Turning<\/a><\/li>\n<li><a href=\"\/en\/high-precision-production\/machining\/cnc-milling\/\">CNC Milling<\/a><\/li>\n<li><a href=\"\/en\/high-precision-production\/machining\/hsm-milling\/\">High Speed Milling<\/a><\/li>\n<li><a href=\"\/en\/high-precision-production\/machining\/deep-hole-drilling\/\">Deep Hole Drilling<\/a><\/li>\n<\/ul>\n<\/div><\/div><div class=\"w-btn-wrapper align_justify\"><a class=\"w-btn us-btn-style_2\" href=\"\/en\/high-precision-production\/electrical-discharge-machining\/\"><span class=\"w-btn-label\">EDM<\/span><\/a><\/div><div class=\"w-image hide_on_mobiles align_center\"><div class=\"w-image-h\"><img decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/www.tumag.be\/wp-content\/uploads\/2026\/02\/icon-vonkerosie.webp\" class=\"attachment-large size-large\" alt=\"spark erosion icon\" loading=\"lazy\" srcset=\"https:\/\/www.tumag.be\/wp-content\/uploads\/2026\/02\/icon-vonkerosie.webp 150w, https:\/\/www.tumag.be\/wp-content\/uploads\/2026\/02\/icon-vonkerosie-12x12.webp 12w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><\/div><\/div><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><ul>\n<li><a href=\"\/en\/high-precision-production\/electrical-discharge-machining\/wire-edm\/\">Wire EDM<\/a><\/li>\n<li><a href=\"\/en\/high-precision-production\/electrical-discharge-machining\/sinker-edm\/\">Sinker EDM<\/a><\/li>\n<li><a href=\"\/en\/high-precision-production\/electrical-discharge-machining\/ed-drilling\/\">EDM Drilling<\/a><\/li>\n<li><a href=\"\/en\/high-precision-production\/electrical-discharge-machining\/edm-electrodes\/\">Electrodes<\/a><\/li>\n<\/ul>\n<\/div><\/div><div class=\"w-btn-wrapper align_justify\"><a class=\"w-btn us-btn-style_2\" href=\"\/en\/high-precision-production\/grinding\/\"><span class=\"w-btn-label\">Grinding<\/span><\/a><\/div><div class=\"w-image hide_on_mobiles align_center\"><div class=\"w-image-h\"><img decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/www.tumag.be\/wp-content\/uploads\/2026\/02\/icon-slijpen.webp\" class=\"attachment-large size-large\" alt=\"grinding icon\" loading=\"lazy\" srcset=\"https:\/\/www.tumag.be\/wp-content\/uploads\/2026\/02\/icon-slijpen.webp 150w, https:\/\/www.tumag.be\/wp-content\/uploads\/2026\/02\/icon-slijpen-12x12.webp 12w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><\/div><\/div><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><ul>\n<li><a href=\"\/en\/high-precision-production\/grinding\/surface-grinding\/\">Surface grinding<\/a><\/li>\n<li><a href=\"\/en\/high-precision-production\/grinding\/profile-grinding\/\">Profile grinding<\/a><\/li>\n<li><a href=\"\/en\/high-precision-production\/grinding\/cylindrical-grinding\/\">Cylindrical grinding<\/a><\/li>\n<li><a href=\"\/en\/high-precision-production\/grinding\/coordinate-grinding\/\">Jig grinding<\/a><\/li>\n<\/ul>\n<\/div><\/div><div class=\"w-btn-wrapper align_justify\"><a class=\"w-btn us-btn-style_2\" href=\"\/en\/high-precision-production\/precision-mechanical-bench-work\/\"><span class=\"w-btn-label\">Bench Work<\/span><\/a><\/div><div class=\"w-image hide_on_mobiles align_center\"><div class=\"w-image-h\"><img decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/www.tumag.be\/wp-content\/uploads\/2026\/02\/icon-onderhoud.webp\" class=\"attachment-large size-large\" alt=\"maintenance icon\" loading=\"lazy\" srcset=\"https:\/\/www.tumag.be\/wp-content\/uploads\/2026\/02\/icon-onderhoud.webp 150w, https:\/\/www.tumag.be\/wp-content\/uploads\/2026\/02\/icon-onderhoud-12x12.webp 12w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><\/div><\/div><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><ul>\n<li><a href=\"\/en\/high-precision-production\/precision-mechanical-bench-work\/assembly\/\">Assembly<\/a><\/li>\n<li><a href=\"\/en\/high-precision-production\/precision-mechanical-bench-work\/polishing\/\">Polishing<\/a><\/li>\n<li><a href=\"\/en\/high-precision-production\/precision-mechanical-bench-work\/laser-welding\/\">Laser Welding<\/a><\/li>\n<li><a href=\"\/en\/high-precision-production\/precision-mechanical-bench-work\/laser-engraving\/\">Laser Engraving<\/a><\/li>\n<\/ul>\n<\/div><\/div><div class=\"w-separator size_small\"><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/section>\n<\/div><\/div><\/div><\/div><\/div><\/section><section class=\"l-section wpb_row us_custom_cc61401b height_medium\"><div class=\"l-section-h i-cf\"><div class=\"g-cols vc_row via_flex valign_top type_default stacking_default\"><div class=\"vc_col-sm-12 wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><div class=\"g-cols wpb_row via_flex valign_top type_default stacking_default\"><div class=\"vc_col-sm-4 wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><div class=\"w-image align_none\"><div class=\"w-image-h\"><img decoding=\"async\" width=\"600\" height=\"900\" src=\"https:\/\/www.tumag.be\/wp-content\/uploads\/2026\/04\/polijsten-matrijsdeel2.webp\" class=\"attachment-large size-large\" alt=\"Polishing: very smoothly polished mould component.\" loading=\"lazy\" srcset=\"https:\/\/www.tumag.be\/wp-content\/uploads\/2026\/04\/polijsten-matrijsdeel2.webp 600w, https:\/\/www.tumag.be\/wp-content\/uploads\/2026\/04\/polijsten-matrijsdeel2-200x300.webp 200w, https:\/\/www.tumag.be\/wp-content\/uploads\/2026\/04\/polijsten-matrijsdeel2-8x12.webp 8w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/div><\/div><\/div><\/div><\/div><div class=\"vc_col-sm-4 wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><div class=\"w-image align_none\"><div class=\"w-image-h\"><img decoding=\"async\" width=\"600\" height=\"900\" src=\"https:\/\/www.tumag.be\/wp-content\/uploads\/2026\/04\/polijsten-matrijsdeel3.webp\" class=\"attachment-large size-large\" alt=\"Polishing: mould core with a polished surface. The smooth surface of the mould ensures that the moulded products also have a very smooth texture.\" loading=\"lazy\" srcset=\"https:\/\/www.tumag.be\/wp-content\/uploads\/2026\/04\/polijsten-matrijsdeel3.webp 600w, https:\/\/www.tumag.be\/wp-content\/uploads\/2026\/04\/polijsten-matrijsdeel3-200x300.webp 200w, https:\/\/www.tumag.be\/wp-content\/uploads\/2026\/04\/polijsten-matrijsdeel3-8x12.webp 8w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/div><\/div><\/div><\/div><\/div><div class=\"vc_col-sm-4 wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><div class=\"w-image align_none\"><div class=\"w-image-h\"><img decoding=\"async\" width=\"600\" height=\"900\" src=\"https:\/\/www.tumag.be\/wp-content\/uploads\/2026\/04\/polijsten-matrijsdeel1.webp\" class=\"attachment-large size-large\" alt=\"Polishing: a mould insert has been mechanically polished to a smooth finish.\" loading=\"lazy\" srcset=\"https:\/\/www.tumag.be\/wp-content\/uploads\/2026\/04\/polijsten-matrijsdeel1.webp 600w, https:\/\/www.tumag.be\/wp-content\/uploads\/2026\/04\/polijsten-matrijsdeel1-200x300.webp 200w, https:\/\/www.tumag.be\/wp-content\/uploads\/2026\/04\/polijsten-matrijsdeel1-8x12.webp 8w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/div><\/div><\/div><\/div><\/div><\/div><div class=\"w-separator hide_on_tablets hide_on_mobiles size_small\"><\/div><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><h2>Polishing specialties<\/h2>\n<\/div><\/div><div class=\"g-cols wpb_row via_flex valign_top type_default stacking_default\"><div class=\"vc_col-sm-4 wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><h3>Injection moulds and inserts<\/h3>\n<\/div><\/div><div class=\"wpb_text_column us_custom_432d3f53\"><div class=\"wpb_wrapper\"><p class=\"translation-block\">In <a href=\"\/en\/injection-moulding\/\" target=\"_self\">injection moulding<\/a>, the mould is the direct carrier of product quality. Every scratch in the mould cavity is visible on the final product. We polish <a href=\"\/en\/injection-molds\/\" target=\"_self\">moulds<\/a> for both aesthetic high gloss and functional release, making your production process more stable and reducing scrap.<\/p>\n<\/div><\/div><\/div><\/div><\/div><div class=\"vc_col-sm-4 wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><h3>Precision mechanical components<\/h3>\n<\/div><\/div><div class=\"wpb_text_column us_custom_432d3f53\"><div class=\"wpb_wrapper\"><p class=\"translation-block\">In <a href=\"\/en\/precision-mechanics\/\" target=\"_self\">precision engineering<\/a>, every micron counts. We polish components that must fit or guide with precision. The focus is on removing micro-burrs and refining surface roughness while strictly preserving form and flatness tolerances.<\/p>\n<\/div><\/div><\/div><\/div><\/div><div class=\"vc_col-sm-4 wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><h3>Stamping dies and cutting tools<\/h3>\n<\/div><\/div><div class=\"wpb_text_column us_custom_432d3f53\"><div class=\"wpb_wrapper\"><p class=\"translation-block\">A smooth surface on a <a href=\"\/en\/cutting-dies\/\" target=\"_self\">stamping die<\/a> ensures better material flow and less friction during the stroke. This results in a cleaner cut and a significantly longer tool life before regrinding becomes necessary.<\/p>\n<\/div><\/div><\/div><\/div><\/div><\/div><div class=\"w-separator hide_on_tablets hide_on_mobiles size_small\"><\/div><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><h2>Your partner for precision finishing<\/h2>\n<\/div><\/div><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><p>Are you looking for in-depth technical expertise and craftsmanship in surface treatment? Tumag offers the expertise to ensure your critical components perform at their best.<\/p>\n<\/div><\/div><div class=\"w-btn-wrapper align_center\"><a class=\"w-btn us-btn-style_1\" href=\"\/en\/contact-us\/\"><span class=\"w-btn-label\">Discuss your polishing work with us<\/span><\/a><\/div><\/div><\/div><\/div><\/div><\/div><\/section><section class=\"l-section wpb_row height_medium\"><div class=\"l-section-h i-cf\"><div class=\"g-cols vc_row via_flex valign_top type_default stacking_default\"><div class=\"vc_col-sm-12 wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><div class=\"g-cols wpb_row via_flex valign_top type_default stacking_default\"><div class=\"vc_col-sm-12 wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><h2>Frequently asked questions about technical polishing (FAQ)<\/h2>\n<\/div><\/div><div  class=\"vc_do_toggle vc_toggle vc_toggle_square vc_toggle_color_default vc_toggle_color_inverted vc_toggle_size_md\"><div class=\"vc_toggle_title\"><h3 style=\"text-align: left\" class=\"vc_custom_heading vc_do_custom_heading us_custom_cda6f729\" >Does polishing affect the dimensions of my component?<\/h3><i class=\"vc_toggle_icon\"><\/i><\/div><div class=\"vc_toggle_content\"><p>At Tumag, we work with the utmost precision. Although polishing removes material, we are talking about fractions of micrometres. Thanks to our experience in mould making, we know exactly how to improve surface quality without exceeding fit tolerances.<\/p>\n<\/div><\/div><div  class=\"vc_do_toggle vc_toggle vc_toggle_square vc_toggle_color_default vc_toggle_color_inverted vc_toggle_size_md\"><div class=\"vc_toggle_title\"><h3 style=\"text-align: left\" class=\"vc_custom_heading vc_do_custom_heading us_custom_cda6f729\" >Which materials can you polish?<\/h3><i class=\"vc_toggle_icon\"><\/i><\/div><div class=\"vc_toggle_content\"><p>We have extensive experience with various steel grades (hardened and unhardened), stainless steel and tool steel. Each material requires its own technique and polishing compound to achieve an optimal result without an \u201corange peel\u201d effect.<\/p>\n<\/div><\/div><div  class=\"vc_do_toggle vc_toggle vc_toggle_square vc_toggle_color_default vc_toggle_color_inverted vc_toggle_size_md\"><div class=\"vc_toggle_title\"><h3 style=\"text-align: left\" class=\"vc_custom_heading vc_do_custom_heading us_custom_cda6f729\" >How does the technical polishing process work?<\/h3><i class=\"vc_toggle_icon\"><\/i><\/div><div class=\"vc_toggle_content\"><p>Polishing is a step-by-step process in which the surface roughness (Ra value) is systematically reduced. We start by levelling the base structure (for example milling or EDM marks) with fine abrasive stones or sandpaper. We then move on to polishing with diamond pastes in decreasing grit sizes, supported by felt, copper or wooden lapping sticks. For complex geometries, we use ultrasonic polishing equipment to ensure consistent quality even in deep recesses.<\/p>\n<p>At Tumag, polishing is a controlled process in multiple stages:<\/p>\n<ol>\n<li class=\"translation-block\"><strong>Inspection:<\/strong> assessment of the base material, hardness and initial roughness.<\/li>\n<li class=\"translation-block\"><strong>Fine sanding:<\/strong> gradual removal of machining marks using controlled grit sizes.<\/li>\n<li class=\"translation-block\"><strong>Polishing:<\/strong> use of specific polishing compounds (often diamond-based) for the final finish.<\/li>\n<li class=\"translation-block\"><strong>Metrology:<\/strong> verification of the achieved Ra value and preservation of critical contours.<\/li>\n<\/ol>\n<\/div><\/div><div  class=\"vc_do_toggle vc_toggle vc_toggle_square vc_toggle_color_default vc_toggle_color_inverted vc_toggle_size_md\"><div class=\"vc_toggle_title\"><h3 style=\"text-align: left\" class=\"vc_custom_heading vc_do_custom_heading us_custom_cda6f729\" >When should I choose polishing instead of grinding?<\/h3><i class=\"vc_toggle_icon\"><\/i><\/div><div class=\"vc_toggle_content\"><p class=\"translation-block\"><a href=\"\/en\/high-precision-production\/grinding\/\" target=\"_self\">Grinding<\/a> is primarily used to bring a component to the correct size and geometry within tight tolerances. Polishing is the subsequent operation specifically aimed at the finish. When an extremely low coefficient of friction, improved release from a mould or an optical mirror finish is required, polishing is essential. Polishing refines the surface structure that is still present after grinding (often Ra 0.4\u20130.8 \u00b5m).<\/p>\n<\/div><\/div><div  class=\"vc_do_toggle vc_toggle vc_toggle_square vc_toggle_color_default vc_toggle_color_inverted vc_toggle_size_md\"><div class=\"vc_toggle_title\"><h3 style=\"text-align: left\" class=\"vc_custom_heading vc_do_custom_heading us_custom_cda6f729\" >Is polishing the same as sanding?<\/h3><i class=\"vc_toggle_icon\"><\/i><\/div><div class=\"vc_toggle_content\"><p>No, although they are closely related. Sanding is a material-removing preparatory operation in which bonded abrasive grains remove the surface \u201cpeaks\u201d to create an even base. Polishing is the finishing stage in which the remaining microscopic scratches are rubbed out or smoothed away. Whereas sanding produces a matte surface, polishing creates a closed, reflective surface with much lower roughness.<\/p>\n<\/div><\/div><div  class=\"vc_do_toggle vc_toggle vc_toggle_square vc_toggle_color_default vc_toggle_color_inverted vc_toggle_size_md\"><div class=\"vc_toggle_title\"><h3 style=\"text-align: left\" class=\"vc_custom_heading vc_do_custom_heading us_custom_cda6f729\" >Do I need to pre-treat the material before polishing?<\/h3><i class=\"vc_toggle_icon\"><\/i><\/div><div class=\"vc_toggle_content\"><p class=\"translation-block\">For an optimal result, the initial condition of the material is crucial. The finer the pre-treatment (such as <a href=\"\/en\/high-precision-production\/electrical-discharge-machining\/wire-edm\/\" target=\"_self\">wire EDM<\/a> or <a href=\"\/en\/high-precision-production\/grinding\/surface-grinding\/\" target=\"_self\">surface grinding<\/a>), the more efficient the polishing process will be. Deep grooves or \u201cburn marks\u201d caused by aggressive milling or spark erosion must first be removed mechanically. We are happy to advise you on the ideal delivery specifications to minimise the lead time and cost of the polishing work.<\/p>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/section>","protected":false},"excerpt":{"rendered":"PagesPolijsten van matrijzen, snijstempels en precisie-onderdelen Bespreek uw polijstwerk met onsMaximale standtijd en procesbeheersing door hoogwaardige oppervlaktefinish Bij kritische technische componenten is de oppervlaktekwaliteit bepalend voor de performance. Tumag verfijnt de ruwheid van uw matrijzen en fijnmechanische onderdelen tot de exacte specificatie die uw proces vereist. Functionele precisie: elimineren van microscopische sporen van frezen, slijpen...","protected":false},"author":4,"featured_media":3732,"parent":1580,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_seopress_titles_title":"Polijsten van Matrijzen & Precisie-onderdelen | Tumag","_seopress_titles_desc":"Optimaliseer de standtijd en lossing van uw matrijzen en snijstempels. Professioneel polijsten tot spiegelglans met behoud van toleranties.","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"","_seopress_social_fb_desc":"","_seopress_social_fb_img":"","_seopress_social_fb_img_attachment_id":0,"_seopress_social_fb_img_width":0,"_seopress_social_fb_img_height":0,"_seopress_social_twitter_title":"","_seopress_social_twitter_desc":"","_seopress_social_twitter_img":"","_seopress_social_twitter_img_attachment_id":0,"_seopress_social_twitter_img_width":0,"_seopress_social_twitter_img_height":0,"_seopress_redirections_value":"","_seopress_redirections_enabled":"","_seopress_redirections_enabled_regex":"","_seopress_redirections_logged_status":"both","_seopress_redirections_param":"","_seopress_redirections_type":301,"_seopress_analysis_target_kw":"","_seopress_news_disabled":"","_seopress_video_disabled":"","_seopress_video":[],"_seopress_pro_schemas_manual":[{"_seopress_pro_rich_snippets_type":"custom","_seopress_pro_rich_snippets_custom":"<script type=\"application\/ld+json\">\r\n{\r\n  \"@context\": \"https:\/\/schema.org\",\r\n  \"@type\": \"Service\",\r\n  \"name\": \"Professioneel polijsten van matrijzen en precisie-onderdelen\",\r\n  \"description\": \"Optimaliseer de standtijd en lossing van uw matrijzen en snijstempels. Professioneel polijsten tot spiegelglans met behoud van toleranties.\",\r\n  \"provider\": {\r\n    \"@type\": \"LocalBusiness\",\r\n    \"name\": \"Tumag\",\r\n    \"url\": \"https:\/\/www.tumag.be\/\",\r\n    \"logo\": \"https:\/\/www.tumag.be\/wp-content\/uploads\/2023\/02\/Tumag_favicon.png\",\r\n    \"image\": \"https:\/\/www.tumag.be\/wp-content\/uploads\/2026\/04\/polijsten-in-progress.webp\",\r\n    \"telephone\": \"+32 14 63 98 50\",\r\n    \"email\": \"info@tumag.be\",\r\n    \"address\": {\r\n      \"@type\": \"PostalAddress\",\r\n      \"streetAddress\": \"Bremheidelaan 2\",\r\n      \"addressLocality\": \"Turnhout\",\r\n      \"postalCode\": \"2300\",\r\n      \"addressCountry\": \"BE\"\r\n    }\r\n  },\r\n \"areaServed\": [\r\n    {\r\n      \"@type\": \"Country\",\r\n      \"name\": \"Belgium\"\r\n    },\r\n    {\r\n      \"@type\": \"Country\",\r\n      \"name\": \"Netherlands\"\r\n    }\r\n  ],\r\n  \"serviceType\": \"Fijnmechanisch bankwerken - Polijsten\",\r\n  \"url\": \"https:\/\/www.tumag.be\/hoge-precisie-productie\/fijnmechanisch-bankwerken\/polijsten\/\",\r\n  \"offers\": {\r\n    \"@type\": \"Offer\",\r\n    \"availability\": \"https:\/\/schema.org\/InStock\",\r\n    \"priceSpecification\": {\r\n      \"@type\": \"PriceSpecification\",\r\n      \"priceType\": \"https:\/\/schema.org\/MinimumPrice\"\r\n    },\r\n    \"description\": \"Prijs op aanvraag (maatwerk voor matrijzen en precisie-onderdelen). Neem contact op voor technisch advies en een offerte.\"\r\n  }\r\n}\r\n<\/script>"},{"_seopress_pro_rich_snippets_type":"faq","_seopress_pro_rich_snippets_faq":{"0":{"question":"Heeft polijsten invloed op de maatvoering van mijn onderdeel?","answer":"Bij Tumag werken we met uiterste precisie. Hoewel polijsten materiaal verwijdert, praten we over fracties van micrometers. Door onze ervaring in de matrijzenbouw weten we precies hoe we de oppervlaktekwaliteit kunnen verbeteren zonder de toleranties van passingen te overschrijden."},"2":{"question":"Welke materialen kunnen jullie polijsten?","answer":"Wij hebben uitgebreide ervaring met diverse staalsoorten (gehard en ongehard), roestvast staal en gereedschapsstaal. Elk materiaal vraagt om een eigen techniek en polijstmiddel voor een optimaal resultaat zonder 'sinaasappelhuid'-effect."},"3":{"question":"Hoe verloopt het technische polijstproces? ","answer":"Polijsten is een stapsgewijs proces waarbij de oppervlakteruwheid (Ra-waarde) systematisch wordt verlaagd. We starten met het egaliseren van de basisstructuur (bijv. frees- of vonksporen) met fijne slijpstenen of schuurpapier. Vervolgens gaan we over op polijsten met diamantpasta\u2019s in afnemende korrelgroottes, ondersteund door vilt, koper of houten lapping-sticks. Voor complexe geometrie\u00ebn gebruiken we ultrasone polijstapparatuur om ook in diepe uitsparingen een constante kwaliteit te waarborgen.\r\nPolijsten is bij Tumag een beheerst proces in meerdere fasen:\r\n1.\tInspectie: Beoordeling van basismateriaal, hardheid en uitgangsruwheid.\r\n2.\tFijnschuren: Stapsgewijs afbouwen van bewerkingssporen met gecontroleerde korrelgroottes.\r\n3.\tPolijsten: Gebruik van specifieke polijstpasta\u2019s (vaak diamantgebonden) voor de eindfinish.\r\n4.\tMetrologie: Controle van de behaalde Ra-waarde en behoud van kritische contouren.\r\n"},"4":{"question":"Wanneer kies ik voor polijsten in plaats van slijpen? ","answer":"Slijpen wordt primair ingezet om een onderdeel op de juiste maat en geometrie te brengen binnen nauwe toleranties. Polijsten is de daaropvolgende bewerking die specifiek gericht is op de finish. Wanneer een extreem lage wrijvingsco\u00ebffici\u00ebnt, een verbeterde lossing uit een matrijs of een optische spiegelglans vereist is, is polijsten noodzakelijk. Polijsten verfijnt de oppervlaktestructuur die na het slijpen (vaak Ra 0,4 - 0,8 \u00b5m) nog aanwezig is."},"5":{"question":"Is polijsten hetzelfde als schuren? ","answer":"Nee, hoewel ze in elkaars verlengde liggen. Schuren is een verspanende voorbewerking waarbij met gebonden schuurkorrels 'pieken' van het oppervlak worden weggehaald om een egale basis te cre\u00ebren. Polijsten is de afwerkfase waarbij de resterende microscopische krassen worden dichtgewreven of weggevloeid. Waar schuren een mat oppervlak geeft, zorgt polijsten voor een gesloten, reflecterend oppervlak met een veel lagere oppervlakteruwheid."},"6":{"question":"Moet ik het materiaal voorbehandelen voor het polijsten? ","answer":"Voor een optimaal resultaat is de uitgangstoestand van het materiaal cruciaal. Hoe fijner de voorbewerking (zoals fijnvonken of vlakslijpen), hoe effici\u00ebnter het polijstproces verloopt. Diepe groeven of 'brandplekken' door agressief frezen of vonkeroderen moeten eerst mechanisch worden verwijderd. Wij adviseren u graag over de ideale aanleverspecificaties om de doorlooptijd en kosten van het polijstwerk te minimaliseren."}}}],"_seopress_pro_rich_snippets_disable_all":"","_seopress_pro_rich_snippets_disable":[],"_seopress_pro_schemas":[],"footnotes":""},"class_list":["post-1595","page","type-page","status-publish","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/www.tumag.be\/en\/wp-json\/wp\/v2\/pages\/1595","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.tumag.be\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.tumag.be\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.tumag.be\/en\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.tumag.be\/en\/wp-json\/wp\/v2\/comments?post=1595"}],"version-history":[{"count":0,"href":"https:\/\/www.tumag.be\/en\/wp-json\/wp\/v2\/pages\/1595\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/www.tumag.be\/en\/wp-json\/wp\/v2\/pages\/1580"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.tumag.be\/en\/wp-json\/wp\/v2\/media\/3732"}],"wp:attachment":[{"href":"https:\/\/www.tumag.be\/en\/wp-json\/wp\/v2\/media?parent=1595"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}