{"id":13168,"date":"2026-05-28T13:28:36","date_gmt":"2026-05-28T11:28:36","guid":{"rendered":"https:\/\/www.lyon-cintrage.fr\/coils-for-heat-exchangers\/"},"modified":"2026-09-17T17:26:20","modified_gmt":"2026-09-17T15:26:20","slug":"coils-for-heat-exchangers","status":"publish","type":"post","link":"https:\/\/www.lyon-cintrage.fr\/en\/coils-for-heat-exchangers\/","title":{"rendered":"Coils for heat exchangers"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><\/p>\n\n<div class=\"wp-block-group is-nowrap is-layout-flex wp-container-core-group-is-layout-7387b849 wp-block-group-is-layout-flex\">\n<h2 class=\"wp-block-heading\"><strong>Custom copper tube bending: a real technical challenge for shaping coils for heat exchangers<\/strong><\/h2>\n<\/div>\n\n<figure class=\"wp-block-image size-large is-resized\"><img decoding=\"async\" src=\"https:\/\/www.lyon-cintrage.fr\/wp-content\/uploads\/2026\/05\/Unknown-1.png\" alt=\"\" class=\"wp-image-13138\" style=\"width:263px;height:auto\"\/><\/figure>\n\n<div class=\"wp-block-group is-nowrap is-layout-flex wp-container-core-group-is-layout-7387b849 wp-block-group-is-layout-flex\">\n<div class=\"wp-block-group is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"wp-block-paragraph\">We made the first coil from \u00d820 x 2 mm Copper tube with a coil diameter of approximately \u00d8434 mm.<\/p>\n\n\n\n<div class=\"wp-block-group is-nowrap is-layout-flex wp-container-core-group-is-layout-7387b849 wp-block-group-is-layout-flex\">\n<p class=\"wp-block-paragraph\">The second was manufactured from 40 x 12 mm flat copper, with a height of approximately 390 mm.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-group is-nowrap is-layout-flex wp-container-core-group-is-layout-7387b849 wp-block-group-is-layout-flex\">\n<p class=\"wp-block-paragraph\">Project specific feature: we worked from a copper coil rather than a straight tube, which required additional adjustments during bending.<\/p>\n<\/div>\n<\/div>\n<\/div>\n\n<h2 class=\"wp-block-heading\"><strong><strong>Why is this type of bending complex?<\/strong><\/strong><\/h2>\n\n<div class=\"wp-block-group is-nowrap is-layout-flex wp-container-core-group-is-layout-7387b849 wp-block-group-is-layout-flex\">\n<p class=\"wp-block-paragraph\">The first difficulty in this project stemmed from the complete absence of specific tooling.<\/p>\n<\/div>\n\n<p class=\"wp-block-paragraph\">In the tube-bending trade, tooling plays an essential role: it guides the material, maintains shapes, and ensures part consistency. With atypical geometries like these, it is often necessary to adapt methods and adjust settings directly during production. <\/p>\n\n<p class=\"wp-block-paragraph\">The complexity increased further with the rectangular copper part.<\/p>\n\n<p class=\"wp-block-paragraph\">Unlike a round tube, a flat section is far more sensitive to deformation:<\/p>\n\n<p class=\"wp-block-paragraph\">\u2022 Geometric variation<br\/>\u2022 Localized flattening<br\/>\u2022 Difficulty maintaining perfect consistency<\/p>\n\n<p class=\"wp-block-paragraph\">The regular 50 mm pitch required on both parts also demanded excellent control of positioning and bending repeatability.<\/p>\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"1024\" data-id=\"13158\" src=\"https:\/\/www.lyon-cintrage.fr\/wp-content\/uploads\/2026\/05\/Serpentin-plat-4-7-edited-1024x1024.png\" alt=\"\" class=\"wp-image-13158\" style=\"width:317px;height:auto\" srcset=\"https:\/\/www.lyon-cintrage.fr\/wp-content\/uploads\/2026\/05\/Serpentin-plat-4-7-edited-1024x1024.png 1024w, https:\/\/www.lyon-cintrage.fr\/wp-content\/uploads\/2026\/05\/Serpentin-plat-4-7-edited-300x300.png 300w, https:\/\/www.lyon-cintrage.fr\/wp-content\/uploads\/2026\/05\/Serpentin-plat-4-7-edited-150x150.png 150w, https:\/\/www.lyon-cintrage.fr\/wp-content\/uploads\/2026\/05\/Serpentin-plat-4-7-edited-768x768.png 768w, https:\/\/www.lyon-cintrage.fr\/wp-content\/uploads\/2026\/05\/Serpentin-plat-4-7-edited.avif 1414w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img decoding=\"async\" width=\"1024\" height=\"1024\" data-id=\"13143\" src=\"https:\/\/www.lyon-cintrage.fr\/wp-content\/uploads\/2026\/05\/Serpentin-plat-2-1-edited-1024x1024.png\" alt=\"\" class=\"wp-image-13143\" style=\"width:358px;height:auto\" srcset=\"https:\/\/www.lyon-cintrage.fr\/wp-content\/uploads\/2026\/05\/Serpentin-plat-2-1-edited-1024x1024.png 1024w, https:\/\/www.lyon-cintrage.fr\/wp-content\/uploads\/2026\/05\/Serpentin-plat-2-1-edited-300x300.png 300w, https:\/\/www.lyon-cintrage.fr\/wp-content\/uploads\/2026\/05\/Serpentin-plat-2-1-edited-150x150.png 150w, https:\/\/www.lyon-cintrage.fr\/wp-content\/uploads\/2026\/05\/Serpentin-plat-2-1-edited-768x768.png 768w, https:\/\/www.lyon-cintrage.fr\/wp-content\/uploads\/2026\/05\/Serpentin-plat-2-1-edited.png 1414w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/figure>\n\n<h2 class=\"wp-block-heading\"><strong>A soft material\u2026 turned into an advantage<\/strong><\/h2>\n\n<p class=\"wp-block-paragraph\">Both parts were made from copper, a particularly soft material in this specific case.<\/p>\n\n<p class=\"wp-block-paragraph\">Usually, a material that is too soft makes the bender\u2019s work more difficult because not all parts react in exactly the same way. Here, however, this flexibility ultimately made it easier to achieve the desired shape despite the lack of dedicated tooling. <\/p>\n\n<p class=\"wp-block-paragraph\">The copper accepted the necessary deformations while maintaining a clean, harmonious geometry.<\/p>\n\n<h2 class=\"wp-block-heading\"><strong>The bender\u2019s expertise remains essential<\/strong><\/h2>\n\n<p class=\"wp-block-paragraph\">As is often the case with complex projects, success depends as much on the machine as on the bender\u2019s experience.<\/p>\n\n<p class=\"wp-block-paragraph\">Understanding the material\u2019s behavior, adjusting settings, making gradual corrections, and finding the right balance: it is this technical mastery that enabled us to produce these two custom copper parts with particularly atypical geometries.<\/p>\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-3 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large is-resized is-style-default wp-duotone-unset-2\"><img decoding=\"async\" width=\"1024\" height=\"1024\" data-id=\"13153\" src=\"https:\/\/www.lyon-cintrage.fr\/wp-content\/uploads\/2026\/05\/Serpentin-5-6-edited-1024x1024.png\" alt=\"\" class=\"wp-image-13153\" style=\"width:318px;height:auto\" srcset=\"https:\/\/www.lyon-cintrage.fr\/wp-content\/uploads\/2026\/05\/Serpentin-5-6-edited-1024x1024.png 1024w, https:\/\/www.lyon-cintrage.fr\/wp-content\/uploads\/2026\/05\/Serpentin-5-6-edited-300x300.png 300w, https:\/\/www.lyon-cintrage.fr\/wp-content\/uploads\/2026\/05\/Serpentin-5-6-edited-150x150.png 150w, https:\/\/www.lyon-cintrage.fr\/wp-content\/uploads\/2026\/05\/Serpentin-5-6-edited-768x768.png 768w, https:\/\/www.lyon-cintrage.fr\/wp-content\/uploads\/2026\/05\/Serpentin-5-6-edited.png 1414w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" data-id=\"13141\" src=\"https:\/\/www.lyon-cintrage.fr\/wp-content\/uploads\/2026\/05\/Serpentin-6-6-edited-1024x1024.png\" alt=\"\" class=\"wp-image-13141\" style=\"width:360px;height:auto\" srcset=\"https:\/\/www.lyon-cintrage.fr\/wp-content\/uploads\/2026\/05\/Serpentin-6-6-edited-1024x1024.png 1024w, https:\/\/www.lyon-cintrage.fr\/wp-content\/uploads\/2026\/05\/Serpentin-6-6-edited-300x300.png 300w, https:\/\/www.lyon-cintrage.fr\/wp-content\/uploads\/2026\/05\/Serpentin-6-6-edited-150x150.png 150w, https:\/\/www.lyon-cintrage.fr\/wp-content\/uploads\/2026\/05\/Serpentin-6-6-edited-768x768.png 768w, https:\/\/www.lyon-cintrage.fr\/wp-content\/uploads\/2026\/05\/Serpentin-6-6-edited.avif 1414w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/figure>\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7387b849 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%\"><\/div>\n<\/div>\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Custom copper tube bending: a real technical challenge for shaping coils for heat exchangers We made the first coil from \u00d820 x 2 mm Copper tube with a coil diameter of approximately \u00d8434 mm. The second was manufactured from 40 x 12 mm flat copper, with a height of approximately 390 mm. Project specific feature: [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":13197,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-13168","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-non-classe"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Shaping a coil for a heat exchanger - Coils in bending<\/title>\n<meta name=\"description\" content=\"Lyon Cintrage has applied its expertise to manufacture copper coils for a heat exchanger.\" \/>\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.lyon-cintrage.fr\/en\/coils-for-heat-exchangers\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Shaping a coil for a heat exchanger - 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