{"id":8463,"date":"2018-07-11T09:00:07","date_gmt":"2018-07-11T08:00:07","guid":{"rendered":"https:\/\/engineernewsnetwork.com\/blog\/?p=8463"},"modified":"2018-07-10T11:17:02","modified_gmt":"2018-07-10T10:17:02","slug":"3d-printed-triboplastics-replace-metallic-parts-in-electric-bike","status":"publish","type":"post","link":"https:\/\/www.engineernewsnetwork.com\/blog\/3d-printed-triboplastics-replace-metallic-parts-in-electric-bike\/","title":{"rendered":"3D printed triboplastics replace metallic parts in electric bike"},"content":{"rendered":"<p>The bicycle has, in recent years, developed from a mere commodity to a weight-optimised lifestyle apparatus.<\/p>\n<p>Most recently, electrification has contributed significantly to this trend.<\/p>\n<p>According to the German bicycle industry association Zweirad-Industrie-Verband (ZIV) sales of e-bike in the country increased by 19% last year to a total of 720,000 units. In 2016, 605,000 were sold, an increase of 13%.<br \/>\n<script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script><br \/>\n<ins class=\"adsbygoogle\" style=\"display: block; text-align: center;\" data-ad-layout=\"in-article\" data-ad-format=\"fluid\" data-ad-client=\"ca-pub-7565662001938327\" data-ad-slot=\"7585079586\"><\/ins><br \/>\n<script>\n     (adsbygoogle = window.adsbygoogle || []).push({});\n<\/script><br \/>\nContinual advancements in their design are essential make them more appealing.<\/p>\n<p>Motors on today\u2019s e-bikes, for example, are about 25% smaller than their predecessors, with a weight of about three kilos.<\/p>\n<p>They also operating much more quietly. e-bike tinkerers like Lars Hartmann from Reichshof are not satisfied with that, however.<\/p>\n<p>For Lars, the excessive noise of the bicycle chain became unacceptable &#8211; the metal sprocket being the root cause.<\/p>\n<p>Looking for an engineering plastic alternative, he turned to the <span class=\"highlight highlight-blue\"><a href=\"http:\/\/www.igus.co.uk\/3Dprintedtriboplastics\" target=\"_blank\" rel=\"noopener\">igus 3D printing service<\/a><\/span>.<\/p>\n<p>\u201cThe standard metal pinion generates a lot of noise when in use,\u201d explains the inventor. \u201cWith the igus online 3D printing service, the appropriate data could be uploaded as a STEP file, the material selected and the desired quantity ordered.\u201d<\/p>\n<p>The material he chose was iglidur I3 for selective laser sintering (SLS), which is also suitable for industrial and small batch use.<\/p>\n<p>The custom-made parts are not only self-lubricating and maintenance-free but also smooth running and therefore quieter than their metallic counterparts.<\/p>\n<p>In the igus test laboratory, plain bearings made from iglidur I3 have been compared with common materials for selective laser sintering.<\/p>\n<p>In pivoting, rotating and linear motion tests, the parts are at least three times more wear resistant than the standard materials.<\/p>\n<p>Lars received the sprockets within a couple of days. They have been in use for two months on two bikes and, he says, the noise level is distinctly lower.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The bicycle has, in recent years, developed from a mere commodity to a weight-optimised lifestyle apparatus. Most recently, electrification has contributed significantly to this trend. According to the German bicycle industry association Zweirad-Industrie-Verband (ZIV) sales of e-bike in the country increased by 19% last year to a total of 720,000 units. In 2016, 605,000 were &hellip;<\/p>\n","protected":false},"author":1,"featured_media":8464,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[105],"tags":[376,4747,4748,227,4749,4746],"class_list":["post-8463","post","type-post","status-publish","format-standard","has-post-thumbnail","","category-design","tag-3d-printing","tag-electric-bike","tag-iglidur-i3","tag-igus","tag-selective-laser-sintering","tag-triboplastics"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>3D printed triboplastics replace metallic parts in electric bike - Engineer News Network<\/title>\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.engineernewsnetwork.com\/blog\/3d-printed-triboplastics-replace-metallic-parts-in-electric-bike\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"3D printed triboplastics replace metallic parts in electric bike - Engineer News Network\" \/>\n<meta property=\"og:description\" content=\"The bicycle has, in recent years, developed from a mere commodity to a weight-optimised lifestyle apparatus. Most recently, electrification has contributed significantly to this trend. According to the German bicycle industry association Zweirad-Industrie-Verband (ZIV) sales of e-bike in the country increased by 19% last year to a total of 720,000 units. 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