{"id":1978,"date":"2026-03-09T08:10:19","date_gmt":"2026-03-09T08:10:19","guid":{"rendered":"https:\/\/keypenk.bootests.com\/?p=1978"},"modified":"2026-03-16T08:58:02","modified_gmt":"2026-03-16T08:58:02","slug":"drives-chain-drives-for-extreme-dimensions","status":"publish","type":"post","link":"https:\/\/keypenk.bootests.com\/en\/drives-chain-drives-for-extreme-dimensions\/","title":{"rendered":"Drives: Chain Drives for Extreme Dimensions"},"content":{"rendered":"\n<p>Chain drives for extreme dimensions are <strong>three-phase direct drives designed for very large and heavy roller shutters<\/strong>.<\/p>\n\n\n\n<p>The diameter of the shaft tube is determined through calculations based on the shutter width and weight to ensure correct deflection. According to <strong>Directive EN 10220<\/strong>, the maximum allowed flexion is <strong>1\/500<\/strong>.<\/p>\n\n\n\n<p>This means that for a <strong>5,000 mm wide shutter<\/strong>, the maximum deflection of the tube must be <strong>10 mm (1\/500) or 12.5 mm (1\/400)<\/strong>.<\/p>\n\n\n\n<p>The shaft is manufactured using CNC machines. Hexagonal design axle ends with flanges perfectly match the pipe.<\/p>\n\n\n\n<p>Since the safety brake is <strong>not integrated into the drive<\/strong>, an <strong>external safety brake must be used<\/strong> to prevent the door from falling back.<\/p>\n\n\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\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"819\" data-id=\"2728\" src=\"https:\/\/keypenk.bootests.com\/wp-content\/uploads\/drives-chain-drive-extreme-image-1-1024x819.webp\" alt=\"\" class=\"wp-image-2728\" srcset=\"https:\/\/keypenk.bootests.com\/wp-content\/uploads\/drives-chain-drive-extreme-image-1-1024x819.webp 1024w, https:\/\/keypenk.bootests.com\/wp-content\/uploads\/drives-chain-drive-extreme-image-1-300x240.webp 300w, https:\/\/keypenk.bootests.com\/wp-content\/uploads\/drives-chain-drive-extreme-image-1-768x614.webp 768w, https:\/\/keypenk.bootests.com\/wp-content\/uploads\/drives-chain-drive-extreme-image-1-1536x1229.webp 1536w, https:\/\/keypenk.bootests.com\/wp-content\/uploads\/drives-chain-drive-extreme-image-1.webp 2000w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Drives: Chain Drives for Extreme Dimensions<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"819\" data-id=\"2734\" src=\"https:\/\/keypenk.bootests.com\/wp-content\/uploads\/drives-chain-drive-extreme-image-2-1024x819.webp\" alt=\"\" class=\"wp-image-2734\" srcset=\"https:\/\/keypenk.bootests.com\/wp-content\/uploads\/drives-chain-drive-extreme-image-2-1024x819.webp 1024w, https:\/\/keypenk.bootests.com\/wp-content\/uploads\/drives-chain-drive-extreme-image-2-300x240.webp 300w, https:\/\/keypenk.bootests.com\/wp-content\/uploads\/drives-chain-drive-extreme-image-2-768x614.webp 768w, https:\/\/keypenk.bootests.com\/wp-content\/uploads\/drives-chain-drive-extreme-image-2-1536x1229.webp 1536w, https:\/\/keypenk.bootests.com\/wp-content\/uploads\/drives-chain-drive-extreme-image-2.webp 2000w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Drives: Chain Drives for Extreme Dimensions<\/figcaption><\/figure>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Chain Drive Features<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Low maintenance<\/li>\n\n\n\n<li>Suitable for frequent cycles depending on door size<\/li>\n\n\n\n<li>Wide range of drive torque<\/li>\n\n\n\n<li>Safety against failure integrated into the drive<\/li>\n\n\n\n<li>Thermal protection<\/li>\n\n\n\n<li>Manual operation: hand crank for power failures<\/li>\n\n\n\n<li>Manual operation: optional hand chain available<\/li>\n\n\n\n<li>Custom versions available (different voltages, frequencies, protection classes)<\/li>\n\n\n\n<li>Made in Germany<\/li>\n\n\n\n<li>Protection class from IP54 to IP65<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Video References<\/h2>\n\n\n\n<p><strong>Chain Drive (Extreme) Overview<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-rich is-provider-embed-handler wp-block-embed-embed-handler wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Rolling Shutters with Chain Drives for Extreme Dimensions (Internal Roll)\" width=\"640\" height=\"360\" src=\"https:\/\/www.youtube.com\/embed\/gcqYp2PDdWI?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<p><strong>Chain Drive (Extreme) Installation<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-rich is-provider-embed-handler wp-block-embed-embed-handler wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Rolling Shutters with Chain Drives for Extreme Dimensions (External Roll)\" width=\"640\" height=\"360\" src=\"https:\/\/www.youtube.com\/embed\/5SVhgxB0q1Y?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","protected":false},"excerpt":{"rendered":"<p>Chain drive systems are designed for very large and heavy roller shutter doors requiring high torque and strong performance.<\/p>\n","protected":false},"author":3,"featured_media":2731,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[11],"tags":[],"class_list":["post-1978","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Drives: Chain Drives for Extreme Dimensions - Keypenk<\/title>\n<meta name=\"description\" content=\"Chain drive systems are designed for very large and heavy roller shutter doors requiring high torque and strong performance.\" \/>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" 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