{"id":179505,"date":"2021-04-21T02:29:32","date_gmt":"2021-04-21T02:29:32","guid":{"rendered":"http:\/\/facfox.com\/news\/?p=179505"},"modified":"2021-04-12T03:06:08","modified_gmt":"2021-04-12T03:06:08","slug":"bugatti-refines-perfection-with-ultra-optimized-bolide-3d-printed-parts","status":"publish","type":"post","link":"https:\/\/facfox.com\/news\/bugatti-refines-perfection-with-ultra-optimized-bolide-3d-printed-parts\/","title":{"rendered":"Bugatti Refines Perfection with Ultra-Optimized Bolide 3D Printed Parts"},"content":{"rendered":"

Imagine ultra-lightweight components that are as strong as a reinforced concrete column. Now, as Volkswagen reports in its new blog, this is possible, thanks to technology-led by Bugatti engineers. The newly developed 3D print<\/a>ed pushrod \u2013 a pressure-loaded coupling rod in the chassis area \u2013 weighs just 100 grams and can transmit forces of up to 3.5 tonnes. The hollow titanium structure with an internal supporting arch gives incredible strength and is yet another AM breakthrough among several Bolide 3D print<\/a>ed part<\/a>s recently introduced by Bugatti.<\/p>\n

This new project is led by Henrik Hoppe, a doctoral student in the New Technologies Depart<\/a>ment at Bugatti, who has been developing innovative metal materials and manufacturing processes since 2017. He wrote his master\u2019s thesis on a calculation methodology for a 3D print<\/a>ed titanium brake caliper, which is 43 percent lighter than the already highly weight-optimized Chiron2 production component, and just as rigid.<\/p>\n

\u201cThrough [the process known as selective laser melting, commonly known as] 3D print<\/a>ing<\/a>, new, hollow, ultracomplex components that are stiffened from the inside can be produced which are very lightweight and yet extremely rigid and strong. We are utilizing these benefits for an increasing number of components in our hyper sports cars,\u201d Hoppe explained.<\/p>\n

In his doctoral thesis, the industrial engineer goes one step further. Hoppe is pioneering a new system, owing to the cost- and time-intensiveness involved with the complete cycle of the manufacturing process chain, from concept to delivery. Hoppe uses this system to identify the commercial and technological potential of functional 3D print<\/a>ed metal components for automotive<\/a> manufacturing and can enhance this potential with applied targeting at specific part<\/a>s. Previously, these types of components were used predominantly in the aerospace<\/a> sector.<\/p>\n

A bone-like structure<\/h2>\n

Bugatti routinely uses 3D print<\/a>ing<\/a> technology to enhance components with complex structures. The French luxury manufacturer applies principles from the field of bionics to give the printed components a bone-like structure: featuring thin walls, a hollow interior, and fine branching. And this is precisely how the components obtain their remarkable rigidity despite their low weight \u2013 with wall thicknesses of up to just 0.4 millimeters. \u201cWe will continue to reduce the weight of our cars while increasing their innovative features in every conceivable area,\u201d explained Henrik Hoppe. From conception through production to installation in the vehicle<\/a>, the engineer designs and plans the individual steps and carries out all of the calculations. This also includes an evaluation of the commercial feasibility for production of the components. \u201cAlthough Bugatti demands the highest quality standards in terms of materials, manufacturing processes and components, they must be commercially viable,\u201d he added.<\/p>\n

Bugatti is a technological leader in the field of metal 3D print<\/a>ing<\/a> for automotive<\/a>. Since production began of the Chiron, the hyper sports car has been fitted with the industry\u2019s first series-produced metal 3D print<\/a>ed functional component: a small, water-carrying high-pressure pump console next to the transmission fluid reservoir. In 2018, the world\u2019s largest 3D print<\/a>ed titanium component, a titanium brake caliper, was presented by Bugatti. This was followed by the world\u2019s largest hybrid functional assembly made of 3D print<\/a>ed titanium and coiled carbon. \u201cThese components are extremely lightweight, robust and durable, and therefore absolutely suitable for use in production vehicle<\/a>s,\u201d said Frank G\u00f6tzke, Head of New Technologies at Bugatti.<\/p>\n

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3D printed brake caliper, Bugatti<\/figcaption><\/figure>\n

The new materials and manufacturing processes are now being used in the Bugatti Bolide technology carrier, which celebrated its world premiere in late October 2020. \u201cAs an experimental vehicle<\/a> in the form of a racing car, the Bolide is no show car; it is an uncompromisingly road-ready extract of Bugatti\u2019s complete technological expertise. Bugatti enthusiasts will also find these cutting-edge technologies in other vehicle<\/a>s in the future,\u201d said G\u00f6tzke.<\/p>\n

Just like the turbofans typically used in motorsport, Bugatti has found a way of including radial compressors on ultra-lightweight magnesium forged wheels. Their appearance is similar to that of a wheel rim, but they perform multiple functions: they pump the air out of the wheel housings through the brakes and draw the warm air to the outside. In this way, the turbofans cool the brakes and minimize lift. In contrast to the well-known mono-material solutions, the Bolide components have a hybrid structure. This consists of a central bowl made of 3D-printed titanium with a thickness of 0.48 millimeters, and a 0.7-millimeter thick carbon plate with small inner blades, also made of carbon. Cross-pieces with a width of 0.48 millimeters further increase the rigidity of the central titanium bowl, which weighs just 100 grams. All of this adds up to a total weight of under 400 grams for an individual 18 \u00bc-inch turbofan on the rear wheels (17 \u00bc-inch at the front). This would not be possible with a mono-material solution due to the fact that it is not possible to achieve the specific buckling resistance and flexural rigidity.<\/p>\n

325 grams for 1.8 tonnes<\/h2>\n

Highly complex 3D print<\/a>ed components are also used in hidden places. A mounting bracket for the front wing, on which the front wing can be mounted at three different heights, is printed in titanium by Bugatti. With a hollow interior and a wall thickness of 0.7 millimeters, the mounting bracket can withstand an aerodynamic downforce of up to 800 kilograms \u2013 with a weight of just 600 grams. The downforce of the rear wing, which can reach up to 1.8 tonnes at 320 km\/h, is introduced via the Bolide\u2019s central carbon fin into the upper structural matrix, which forms the upper termination of the high-strength stainless steel rear frame. Inside this central fin, there is a laminated and printed titanium component for connecting the fin to the wing, for which the angle can be adjusted by means of a coupling rod. Despite its rigidity, it weighs just 325 grams. The engineers also use titanium to print the bracket for mounting the steering column, which features integrated dashboard support, the support collar for the steering column through feed, and the two air vents in the vehicle<\/a> interior. All components are designed as lightweight hollow structures, with a uniform wall thickness of 0.5 millimeters.<\/p>\n

The Bolide features wheel control based on double-wishbone kinematics on both the front and rear axles. On the rear axle, the spring-damper elements have a vertical configuration, while on the front axle they are arranged horizontally at right angles to the direction of travel. The springs are made of titanium, and the dampers feature an adjustment mechanism and a reservoir, which is integrated internally on the front axle dampers. In the case of the horizontal spring-damper elements on the front axle, the vertical contact forces are transmitted by means of a linkage located directly beside the swivel bearings on the lower wishbones via pushrods and rockers. The brackets that control the rockers have a wall thickness of just 0.4 millimeters and weigh only 95 grams each. The rockers weigh just under 195 grams each. Since air flows completely through the Bolide\u2019s front axle, its kinematic components \u2013 both the 3D-printed titanium components and the high-strength stainless steel wishbones \u2013 are extremely lightweight, rigid, and aerodynamically optimized. The tensile strength of this and all other 3D-printed elements is 1,250 N\/mm2. \u201cUsing a special heat treatment process developed in-house, we achieve this high tensile strength with a simultaneously high fracture strain of at least 19 percent,\u201d explains G\u00f6tzke.<\/p>\n

A 100 grams pushrod<\/h2>\n

The developers are part<\/a>icularly proud of the pushrods in the Bolide. \u201cThey transfer a force into the rockers which, depending on the driving maneuver, is equivalent to a weight of up to 3.5 tonnes. Nevertheless, thanks to the implementation of multiple ideas, they only weigh as much as a bar of chocolate, in other words, 100 grams each,\u201d explained Hoppe. For the first time, the Bugatti developers varied the wall thickness of the thin-walled, hollow rods. They become thicker towards the center and then thinner again, meaning that they are optimally adapted to localized stress. Similar to a human bone, the component has an internal structure. This special structure was also recently registered as a patent.<\/p>\n

In the tailpipe trim cover, a hybrid component made of 3D-printed titanium and ceramic, Bugatti reduced the weight by around half compared to the already weight-optimized titanium tailpipe trim covers well known from series production. The component, which measures more than 280 millimeters in length and has a consistent wall thickness of just 0.5 millimeters, therefore weighs less than 750 grams. Since ceramic material is a significantly less effective heat conductor than titanium, Bugatti introduced special ceramic elements that are built into the titanium housing and center the cover with respect to the carbon outer skin, so that the outer skin is not damaged even at high exhaust gas temperatures. This thermal shield is also supported by a built-in Venturi nozzle: when hot exhaust gas enters the tailpipe trim cover, fresh air is drawn in, thereby creating a jacket of cool air around the hot exhaust gas flow. In its entirety, this is an invention for which Bugatti has submitted a patent application<\/a>.<\/p>\n

With the launch of the Bolide \u2013 the track-oriented hyper sports car \u2013 a few months ago, Bugatti presented an extraordinary technological concept. The iconic 8.0-liter W16 engine, with up to 1,850 PS\u02da, powers a car weighing just 1,240 kilograms. This equates to an incredible weight-to-power ratio of 0.67 kg\/PS, a top speed of over 500 km\/h, perfect handling, and maximum agility. \u201cIt is the Bolide\u2019s many technological highlights that make it so special. But these can also be transferred to production vehicle<\/a>s. This is what we are continuing to develop and work on, because Bugatti has set itself apart<\/a> with its impressive innovations for over 110 years \u2013 and will continue to do so in the future,\u201d concluded Frank G\u00f6tzke.<\/p>\n

<\/div>\n

 <\/p>\n

* This article is reprinted from 3D Printing Media Network<\/a>. If you are involved in infringement, please contact us to delete it.<\/p>\n

<\/i> Author: Davide Sher<\/p>\n","protected":false},"excerpt":{"rendered":"

Imagine ultra-lightweight components that are as strong as a reinforced concrete column. Now, as Volkswagen reports in its new blog, this is possible, thanks to technology-led by Bugatti engineers. The newly developed 3D printed pushrod \u2013 a pressure-loaded coupling rod in the chassis area \u2013 weighs just 100 grams and can transmit forces of up to 3.5 tonnes. The hollow titanium structure with an internal supporting arch gives incredible strength and is yet another AM breakthrough among several Bolide 3D printed parts recently introduced by Bugatti.<\/p>\n","protected":false},"author":3,"featured_media":184675,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"fifu_image_url":"https:\/\/facfox.com\/news\/wp-content\/uploads\/2021\/1\/ZRJ7J3.jpg","fifu_image_alt":"Bugatti Refines Perfection with Ultra-Optimized Bolide 3D Printed Parts","footnotes":""},"categories":[383],"tags":[24,145,111,31],"class_list":["post-179505","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-automotive","tag-3d-printing","tag-automotive","tag-brake","tag-titanium"],"yoast_head":"\nBugatti Refines Perfection with Ultra-Optimized Bolide 3D Printed Parts - FacFox News<\/title>\n<meta name=\"description\" content=\"Imagine ultra-lightweight components that are as strong as a reinforced concrete column. 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Now, as Volkswagen reports in its new blog, this is possible, thanks to technology-led by Bugatti engineers. The newly developed 3D printed pushrod \u2013 a pressure-loaded coupling rod in the chassis area \u2013 weighs just 100 grams and can transmit forces of up to 3.5 tonnes. The hollow titanium structure with an internal supporting arch gives incredible strength and is yet another AM breakthrough among several Bolide 3D printed parts recently introduced by Bugatti. The newly developed 3D printed pushrod \u2013 a pressure-loaded coupling rod in the chassis area \u2013 weighs just 100 grams and can transmit forces of up to 3.5 tonnes.","breadcrumb":{"@id":"https:\/\/facfox.com\/news\/bugatti-refines-perfection-with-ultra-optimized-bolide-3d-printed-parts\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/facfox.com\/news\/bugatti-refines-perfection-with-ultra-optimized-bolide-3d-printed-parts\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/facfox.com\/news\/bugatti-refines-perfection-with-ultra-optimized-bolide-3d-printed-parts\/#primaryimage","url":"https:\/\/facfox.com\/news\/wp-content\/uploads\/2021\/1\/ZRJ7J3.jpg","contentUrl":"https:\/\/facfox.com\/news\/wp-content\/uploads\/2021\/1\/ZRJ7J3.jpg","caption":"Bugatti Refines Perfection with Ultra-Optimized Bolide 3D Printed Parts"},{"@type":"BreadcrumbList","@id":"https:\/\/facfox.com\/news\/bugatti-refines-perfection-with-ultra-optimized-bolide-3d-printed-parts\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/facfox.com\/news\/"},{"@type":"ListItem","position":2,"name":"Bugatti Refines Perfection with Ultra-Optimized Bolide 3D Printed Parts"}]},{"@type":"WebSite","@id":"https:\/\/facfox.com\/news\/#website","url":"https:\/\/facfox.com\/news\/","name":"FacFox News","description":"News and Insights of 3D Printing and Manufacturing","publisher":{"@id":"https:\/\/facfox.com\/news\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/facfox.com\/news\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/facfox.com\/news\/#organization","name":"FacFox News","url":"https:\/\/facfox.com\/news\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/facfox.com\/news\/#\/schema\/logo\/image\/","url":"https:\/\/facfox.com\/news\/wp-content\/uploads\/2020\/11\/facfox-news-homepg-logo-200px.png","contentUrl":"https:\/\/facfox.com\/news\/wp-content\/uploads\/2020\/11\/facfox-news-homepg-logo-200px.png","width":200,"height":55,"caption":"FacFox News"},"image":{"@id":"https:\/\/facfox.com\/news\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/facfox.com\/news\/#\/schema\/person\/7b701aad2d8f434034fcecd2c50a570c","name":"Vera","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/secure.gravatar.com\/avatar\/bf3b1e47e1f0ed2367da10e343584d5a4adb2e9675fce2aefb04f0ecf3954386?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/bf3b1e47e1f0ed2367da10e343584d5a4adb2e9675fce2aefb04f0ecf3954386?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/bf3b1e47e1f0ed2367da10e343584d5a4adb2e9675fce2aefb04f0ecf3954386?s=96&d=mm&r=g","caption":"Vera"},"url":"https:\/\/facfox.com\/news\/author\/vera\/"}]}},"fifu_image_url":"https:\/\/facfox.com\/news\/wp-content\/uploads\/2021\/1\/ZRJ7J3.jpg","fifu_image_alt":"Bugatti Refines Perfection with Ultra-Optimized Bolide 3D Printed Parts","_links":{"self":[{"href":"https:\/\/facfox.com\/news\/wp-json\/wp\/v2\/posts\/179505","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/facfox.com\/news\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/facfox.com\/news\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/facfox.com\/news\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/facfox.com\/news\/wp-json\/wp\/v2\/comments?post=179505"}],"version-history":[{"count":1,"href":"https:\/\/facfox.com\/news\/wp-json\/wp\/v2\/posts\/179505\/revisions"}],"predecessor-version":[{"id":179523,"href":"https:\/\/facfox.com\/news\/wp-json\/wp\/v2\/posts\/179505\/revisions\/179523"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/facfox.com\/news\/wp-json\/wp\/v2\/media\/184675"}],"wp:attachment":[{"href":"https:\/\/facfox.com\/news\/wp-json\/wp\/v2\/media?parent=179505"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/facfox.com\/news\/wp-json\/wp\/v2\/categories?post=179505"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/facfox.com\/news\/wp-json\/wp\/v2\/tags?post=179505"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}