{"id":37248,"date":"2026-11-03T14:22:22","date_gmt":"2026-11-03T13:22:22","guid":{"rendered":"https:\/\/www.zeltwanger.de\/?page_id=37248"},"modified":"2026-11-05T15:13:42","modified_gmt":"2026-11-05T14:13:42","slug":"core-builder-for-heat-exchanger-production","status":"publish","type":"page","link":"https:\/\/www.zeltwanger.de\/en\/technologies\/thermal-management\/core-builder-for-heat-exchanger-production\/","title":{"rendered":"Core builder"},"content":{"rendered":"<div>\n<p>    <img decoding=\"async\" src=\"\/app\/uploads\/2026\/09\/Core-Builder.png\" alt=\"ZELTWANGER Core builder \"><\/p>\n<p>Core builder<\/p>\n<div>\n<p>Flexible core assembly for high productivity and repeatable quality.<\/p>\n<\/div>\n<p><a href=\"#kontakt\">Discuss your project<\/a><\/p>\n<\/div>\n<p><img decoding=\"async\" src=\"\/app\/uploads\/2026\/09\/Core-Builder-2-1.png\" alt=\"\"><\/p>\n<h2>High-performance heat exchanger core assembly<\/h2>\n<div>\n<p class=\"MsoNormal\" align=\"center\" style=\"text-align: left;\">ZELTWANGER Core Builder solutions enable semi-automatic and fully automated assembly of heat exchanger cores for a wide range of applications, including evaporators, heater cores, condensers and radiators. Different system concepts can be adapted to specific core dimensions, product variants and production requirements, combining high productivity with repeatable assembly quality.<\/p>\n<\/div>\n<h2>\n<p>Your Benefits<\/p>\n<\/h2>\n<div>Designed for productive, flexible and reliable core assembly.<\/div>\n<ul>\n<li>\n<p>        <img decoding=\"async\" src=\"\/app\/uploads\/2026\/09\/Icon_Haeckchen.svg\" alt=\"Icon_Seminare\"><\/p>\n<h3>High Productivity<\/h3>\n<div>Cycle times down to 18 sec\/core<\/div>\n<\/li>\n<li>\n<p>        <img decoding=\"async\" src=\"\/app\/uploads\/2026\/09\/Icon_Haeckchen.svg\" alt=\"Icon Expertise\"><\/p>\n<h3>Flexible Core Designs<\/h3>\n<div>Different core dimensions and row systems<\/div>\n<\/li>\n<li>\n<p>        <img decoding=\"async\" src=\"\/app\/uploads\/2026\/09\/Icon_Haeckchen.svg\" alt=\"Icon Messen_Events\"><\/p>\n<h3>Short Changeover Times<\/h3>\n<div>Fast adaptation to product variants<\/div>\n<\/li>\n<li>\n<p>        <img decoding=\"async\" src=\"\/app\/uploads\/2026\/09\/Icon_Haeckchen.svg\" alt=\"Icon Pruefung Machbarkeit\"><\/p>\n<h3>Scalable Automation <\/h3>\n<div>From semi-automatic to fully automatic<\/div>\n<\/li>\n<\/ul>\n<h2>Technical Highlights<\/h2>\n<div>Key specifications for high-performance core assembly.<\/div>\n<div>\n<div class=\"uk-overflow-auto\">\n<table class=\"uk-table uk-table-striped \">\n<tbody>\n<tr>\n<th>Parameter<\/th>\n<th>EVAP \/ Heater<\/th>\n<th>CON \/ RAD<\/th>\n<\/tr>\n<tr>\n<td><strong>Core Dimensions<\/strong><\/td>\n<td>120 \u00d7 140 \u00d7 26 to 400 \u00d7 400 \u00d7 50 mm<\/td>\n<td>350 \u00d7 300 \u00d7 12 to 1,200 \u00d7 1,200 \u00d7 75 mm<\/td>\n<\/tr>\n<tr>\n<td><strong>Core Tensioning<\/strong><\/td>\n<td>20\u2013150 kN<\/td>\n<td>20\u2013150 kN<\/td>\n<\/tr>\n<tr>\n<td><strong>Header Assembly<\/strong><\/td>\n<td>50\u2013300 kN<\/td>\n<td>50\u2013300 kN<\/td>\n<\/tr>\n<tr>\n<td><strong>Row System<\/strong><\/td>\n<td>Single \/ Double \/ Triple<\/td>\n<td>Single<\/td>\n<\/tr>\n<tr>\n<td><strong>Changeover<\/strong><\/td>\n<td>Max. 10 min<\/td>\n<td>Max. 30 min<\/td>\n<\/tr>\n<tr>\n<td><strong>Cycle Time<\/strong><\/td>\n<td>Down to 18 sec\/core<\/td>\n<td>40 sec\/core semi-auto<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<h2>Options &#038; Extensions<\/h2>\n<div>Features to adapt the system to your production requirements.<\/div>\n<ul>\n<li>\n<div>Automatic tube loading<\/div>\n<\/li>\n<li>\n<div>Automatic core handling<\/div>\n<\/li>\n<li>\n<div>Automatic brazing parts feeding<\/div>\n<\/li>\n<li>\n<div>RFID tool coding<\/div>\n<\/li>\n<li>\n<div>Predictive maintenance<\/div>\n<\/li>\n<li>\n<div>Remote maintenance<\/div>\n<\/li>\n<\/ul>\n<h2>Let\u2019s discuss your requirements.<\/h2>\n<div>Tell us about your requirements. Our experts will get back to you.<\/div>\n<div>\n <script charset=\"utf-8\" type=\"text\/javascript\" src=\"\/\/js-eu1.hsforms.net\/forms\/embed\/v2.js\"><\/script><br \/>\n<script>\n  hbspt.forms.create({\n    portalId: \"145014097\",\n    formId: \"159c7808-3b8a-4bb9-a3be-c61aa9f03945\",\n    region: \"eu1\"\n  });\n<\/script>\n<\/div>\n<p><!--more--><br \/>\n<!-- {\"type\":\"layout\",\"children\":[{\"type\":\"section\",\"props\":{\"class\":\"like-mobile-panel-slider sub-page\",\"id\":\"DPslider\",\"image_position\":\"center-center\",\"padding_bottom\":\"none\",\"padding_top\":\"none\",\"style\":\"default\",\"title_breakpoint\":\"xl\",\"title_position\":\"top-left\",\"title_rotation\":\"left\",\"vertical_align\":\"\",\"width\":\"\"},\"children\":[{\"type\":\"row\",\"children\":[{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"position_sticky_breakpoint\":\"m\",\"width_medium\":\"1-1\"},\"children\":[{\"type\":\"slideshow\",\"props\":{\"image_height\":\"929px\",\"image_loading\":true,\"image_width\":\"2548px\",\"link_style\":\"primary\",\"link_text\":\"Read more\",\"margin_bottom\":\"default\",\"margin_top\":\"default\",\"meta_align\":\"above-title\",\"meta_element\":\"h1\",\"meta_style\":\"h2\",\"nav\":\"\",\"nav_align\":\"center\",\"nav_below\":false,\"nav_breakpoint\":\"s\",\"nav_position\":\"bottom-center\",\"nav_position_margin\":\"medium\",\"nav_vertical\":false,\"overlay_animation\":\"parallax\",\"overlay_container\":\"large\",\"overlay_parallax_x\":\"90\",\"overlay_parallax_y\":\"0\",\"overlay_position\":\"bottom-left\",\"overlay_style\":\"overlay-primary\",\"overlay_width\":\"xlarge\",\"show_content\":true,\"show_link\":true,\"show_meta\":true,\"show_thumbnail\":false,\"show_title\":true,\"slidenav\":\"default\",\"slidenav_breakpoint\":\"s\",\"slidenav_hover\":true,\"slidenav_large\":false,\"slidenav_margin\":\"small\",\"slidenav_outside_breakpoint\":\"xl\",\"slideshow_autoplay\":true,\"slideshow_autoplay_interval\":\"10\",\"slideshow_autoplay_pause\":false,\"slideshow_max_height\":\"700\",\"slideshow_min_height\":\"500\",\"slideshow_velocity\":\"0.5\",\"text_align\":\"left\",\"text_align_breakpoint\":\"s\",\"text_align_fallback\":\"center\",\"text_color\":\"light\",\"thumbnav_height\":\"75\",\"thumbnav_svg_color\":\"emphasis\",\"thumbnav_width\":\"100\",\"title_element\":\"h1\",\"title_hover_style\":\"reset\",\"title_style\":\"h1\"},\"children\":[{\"type\":\"slideshow_item\",\"props\":{\"content\":\"\n\n<p>Flexible core assembly for high productivity and repeatable quality.<\/p>\n\n\",\"image\":\"app\/uploads\/2026\/09\/Core-Builder.png\",\"image_alt\":\"ZELTWANGER Core builder \",\"link\":\"#kontakt\",\"link_text\":\"Discuss your project\",\"meta\":\"Core builder\",\"title\":\"\"}}]}]}],\"props\":{\"margin_bottom\":\"remove\"}}],\"name\":\"Header - neu - single\"},{\"type\":\"section\",\"props\":{\"animation_delay\":\"300\",\"css\":\"\\n @media screen and (max-width: 940px) {\\n.el-element {\\n        margin-top: 200px !important;\\n    }\\n}\",\"image_position\":\"center-center\",\"style\":\"default\",\"title_breakpoint\":\"xl\",\"title_position\":\"top-left\",\"title_rotation\":\"left\",\"vertical_align\":\"\",\"width\":\"default\"},\"children\":[{\"type\":\"row\",\"children\":[{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"position_sticky_breakpoint\":\"m\",\"width_medium\":\"1-2\"},\"children\":[{\"type\":\"image\",\"props\":{\"image\":\"app\/uploads\/2026\/09\/Core-Builder-2-1.png\",\"image_svg_color\":\"emphasis\",\"margin_bottom\":\"default\",\"margin_top\":\"default\"}}]},{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"position_sticky_breakpoint\":\"m\",\"width_medium\":\"1-2\"},\"children\":[{\"type\":\"headline\",\"props\":{\"animation\":\"none\",\"block_align\":\"center\",\"content\":\"High-performance heat exchanger core assembly\",\"image_align\":\"left\",\"image_margin\":\"xsmall\",\"text_align\":\"left\",\"title_color\":\"primary\",\"title_element\":\"h2\",\"title_style\":\"heading-medium\"}},{\"type\":\"text\",\"props\":{\"animation\":\"none\",\"column_breakpoint\":\"m\",\"content\":\"\n\n<p class=\\\"MsoNormal\\\" align=\\\"center\\\" style=\\\"text-align: left;\\\">ZELTWANGER Core Builder solutions enable semi-automatic and fully automated assembly of heat exchanger cores for a wide range of applications, including evaporators, heater cores, condensers and radiators. 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Benefits<\/p>\n\n\",\"image_align\":\"left\",\"image_margin\":\"xsmall\",\"margin_bottom\":\"medium\",\"margin_top\":\"medium\",\"text_align\":\"left\",\"title_color\":\"primary\",\"title_element\":\"h2\",\"title_style\":\"heading-medium\"}},{\"type\":\"text\",\"props\":{\"column_breakpoint\":\"m\",\"content\":\"Designed for productive, flexible and reliable core assembly.\",\"margin_bottom\":\"default\",\"margin_top\":\"default\",\"text_align\":\"left\"}},{\"type\":\"grid\",\"props\":{\"content_column_breakpoint\":\"m\",\"css\":\".el-element .uk-margin-remove-first-child {\\n    display: flex;\\n    flex-direction: column;\\n    justify-content: center;\\n}\\n\\n.el-element .uk-panel>:last-child {\\n    margin-bottom: 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Discuss your project High-performance heat exchanger core assembly ZELTWANGER Core Builder solutions enable semi-automatic and fully automated assembly of heat exchanger cores for a wide range of applications, including evaporators, heater cores, condensers and radiators. Different system concepts can be adapted to specific core [&hellip;]<\/p>\n","protected":false},"author":21,"featured_media":0,"parent":23504,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-37248","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Core Builders for Heat Exchanger Production | ZELTWANGER<\/title>\n<meta name=\"description\" content=\"Semi-automatic and fully automated core builders for flexible, high-performance heat exchanger assembly with repeatable quality.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.zeltwanger.de\/en\/technologies\/thermal-management\/core-builder-for-heat-exchanger-production\/\" \/>\n<meta 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