Manual mig welding was used as the main joining technology. Self study program 161 the audi a8 pdf free online. A single layer space frame that has the form of a curved surface is termed as braced vault, braced. The body of the coupe weighs just 200 kilograms 440.
The audi space frame is a highstrength aluminium frame structure into which all panels are integrated so that they also perform a loadbearing function. The audi space frame asf, which the brand debuted 20 years ago, is roughly 40 percent lighter than a corresponding steel body. Other notable examples of space frame cars include the audi a8, audi r8, ferrari 360, lamborghini gallardo, mercedesbenz sls amg. The tt rs is clearly the fl agship of the tt model series. All audi a8 models have since used this construction method codeveloped with alcoa, and marketed as the audi space frame. Please call or visit us anytime, we are happy to be of service. Audi introduces the multimaterial spaceframe of its new a8. Audi reveals details on the new a8 space frame car body. Space frame pdf in a most general way of speaking the term space frame indicates three. A combination of hotformed highstrength steel components make up the occupant cell, which comprises the lower section of the front bulkhead, the side sills, the bpillars, and the front section of the roof line. Audi r8 hd wallpapers background images photos pictures. Aug 15, 2003 the third generation audi space frame improves on the already impressive designs of previous versions of the asf, and passes on to audi owners even more of the inherent benefits of aluminum in automobile production.
The original frames were made of wood commonly ash, but steel ladder frames became common in the 1930s. The ladder frame design left as exemplified by the chevrolet corvette c3 right the bodyon frame concept was used until the early 1960s by nearly all cars in the world. All of the other aluminium body parts are attached to this audi frame construction by mig welding, punch rivets, adhesive bonding and clinching. Corporate communications department audi australia pty ltd. Like the truss, a space frame is strong because of the inherent rigidity of the triangle. Lightweight construction succeeds with material mix. The next generation audi space frame will feature for the first time a combination of four different materials. Audi s vorsprung durch technik approach, unsurprisingly, the new baby audi totes more than a few technical tricks up its sleeve. Us8820025b1 universal node for space frame structures. The launch was preceded by a development process lasting 12 years. From the renowned 4ring emblem to the prestigious bodystyle, audi s german engineering is meant to compete with ease against the other highclass makers. Aluminium extruded sections and diecastings form a frame to. This is the right strategy for volume production of lightweight vehicles. In a doublelayer grid, the space frame has a more free area between the top and bottom.
Audi has always had a tradition of making automotive history. Asf aluminum space frame asf utilizes stateoftheart technology to create an aluminum body frame that offers increased stiffness, reduced weight, and enhanced handling. For example, in a beehive only as much material is used to make the honeycomb as is. Some authors define space frames only as double layer grids.
The companys innovation capability is one reason behind its success. Luxury sedan living up to its reputation as an innovation driver in lightweight design comfortable entry and improved view thanks to roller. Apr 07, 2017 the first audi space frame was launched in 1994 with the first generation a8, and since then the company has sold more than one million series cars based on this structural concept. Audi asf a8, ford taurus, honda acura nsx, jaguar sport xj220, scca transam. Design for disassembly with highstiffness heatreversible locatorsnap systems. Nature was the key source of inspiration for the engineers 20 years ago. Space frame with a unique mix of materials luxury sedan living up to its reputation as an innovation driver in lightweight design. The future of this new ultra technology has already begun with the bodies of the a7 sportback and the new a6. The body of the new a8 follows the audi space frame principle. The car is built by audi sport gmbh in a newly renovated factory at audi s aluminium site at neckarsulm in germany. Roadside service labor performed at disablement site, which includes. Audi introduces the multimaterial spaceframe of its new. These structures give a better aesthetic appearance to the structure.
In architecture and structural engineering, a space frame or space structure 3d truss is a rigid, lightweight, trusslike structure constructed from interlocking struts in a geometric pattern. It offers occupants a high level of acoustic comfort and safety. The audi space frame a8 is a compound of aluminium pro. Towing your audi vehicle to the nearest audi dealer or collision, towing directly to an audi authorized collision repair facility or audi space frame repair facility. The weightsaving audi space frame asf represented a major breakthrough in terms of enhanced vehicle dynamics, whilst at the same time solving the problem of increasing weight. In addition, the audi a8 offers a wealth of innovative hightech solutions from engine. It is also the first production car with fullled headlamps.
Optimal design of vehicle with internal space frame structure. This iteration of the audi space frame asf is very light and stiff. Introduction this body concept was further perfected in the audi a2 and the design of the audi a8. Audi needs to be more competitive in the handling department and this asf ii. The audi a2, audi tt and audi r8 also use audi space frame designs.
The notion of frame is informed by the book earth moves by the french architect and philosopher bernard cache cache 1995. All 2006 a8s get a new single frame grille, adaptive front lights, a rain sensor and audi s parking system with a graphic display. When it introduced the first a8 in 1994, audi had not only developed the radically new asf design and put it into series production, it had also developed all of the steps required for its production. With the new audi a8, audi has advanced from the aluminum space frame body to multimaterial construction with the four materials aluminum, steel, magnesium.
Review on study of space frame structure system irjet. Audi a8 l 60 tfsi e with the new a8 l 60 tfsi e quattro, audi is offering its customers electric driving in the luxury class for the first time. Audi will systematically drive this development forward in its upcoming new models. The mss provides the body with high stability combined with low weight and represents and entirely new multimaterial lightweight design concept. For most of its lineup excluding the a3, a1, and tt models, audi has not adopted the transverse engine layout which is typically found in economy cars such as peugeot and citroen, since that would limit the type and power of engines that can be installed. The new aluminum body audi space frame documented ahead through technology. R stands for roadster, and models like the r8 are midengine 2seater performance sports cars. A space frame is analogous to a truss style bridge which is made up of small generally straight members in a triangular pattern which are always in pure. May 12, 2017 just like with audi sedans, the q3 is the smallest is the q7 is the largest. The mix of material fractions in the multimaterial space frame offers the audi development engineers virtually unlimited freedom. In connection with these highstrength aluminium panels, the aluminium body is noted for its exceptional rigidity, resulting in high crash protection, yet also for its substantially lower weight. Other notable examples of space frame cars include the audi a8, audi r8, ferrari 360, lambo. Body type number of doors seats audi space frame asf 2 2 drag coefficient cd frontal area a in m 2 0. Space frames can be used to span large areas with few interior supports.
Us540,449 20110630 20120702 universal node for space frame structures active us8820025b1 en. A growing interest in space frame structures has been witnessed worldwide over. The arrival of the multipla and audi a2 challenges the generally accepted view of a technology. The chassis chosen was the space frame this was selected over the. Audi mediainfo the collective fuel consumption values of all models named and available on the german market can be found in the list provided at the end of this mediainfo. Although widely described as a space frame, lotus did not build a true space frame chassis until the mark viii, with the influence of other designers, with experience from the aircraft industry. Applications car body body structures european aluminium. In 1994, the audi a8 was the first massmarket car with an aluminium chassis, made feasible by integrating an aluminium space frame into the bodywork. Space frames can be used to span large surfaces with few inner supports. A tubular space frame chassis was chosen over a monocoque chassis despite being heavier because, its manufacturing is cost effective requires simple tools and damages to the chassis can be easily rectified. See more ideas about space frame, chassis fabrication, car frames.
The body of the new audi r8 is made from aluminium and cfrp using an. In architecture and structural engineering, a space frame or space structure 3d truss is a rigid. These cars are based on a body structure called audi space frame, a high strength aluminum frame with integrated panels that is lighter and stronger than. Since this time audi has built on its competitive edge step. The body is designed as an asf structure audi space frame and forms the basis for the strict lightweight design concept of the audi r8.
The space inside the frame is general, its use unspecified. Clearly, the r8 is a car with motorsport in its genes. A labscale space frame structure derived from the military vehicle space frame is designed. With the space frame itself weighing a mere 75kg, audi claims the a2s body is some 40 per cent lighter. The body consists 58 percent of aluminium parts, whose strength has significantly increased compared with the predecessor model. An intelligent mix of materials the body of the new audi a8 4 the new body shop at the neckarsulm location 7 from the audi a8 to the audi r8 the audi space frame milestones 10 fuel consumption and emissions values of all models named in this text 14. Body development at audi innovation, quality and precision. The car was exclusively designed, developed, and manufactured by audi ags high performance private subsidiary company, quattro gmbh, and is based on the lamborghini gallardo platform. Instead of establishing the supporting girder or truss on the free side. The cabin consists of hotformed steel components, complemented by. The fundamental construction of the r8 is based on the audi space frame, and uses an aluminium monocoque which is built using space frame principles.
Products the audi etron combined electric power consumption in kwh100 km 62. Audi is number one in terms of patents for electric drives. The two very commonly used materials for making the space frame chassis are chromium molybdenum steel chromoly and saeaisi 1018. Us8820025b1 us540,449 us2012540449a us8820025b1 us 8820025 b1 us8820025 b1 us 8820025b1 us 2012540449 a us2012540449 a us 2012540449a us 8820025 b1 us8820025 b1 us 8820025b1 authority us united states prior art keywords housing spherical frame fasteners core prior art date 20110630 legal status the legal status is an assumption and is not a legal conclusion. Lightweight construction is one of audi s main areas of expertise. For starters, its the first allaluminium, space frame built small car to enter volume production. At the iaa 1993, audi presented the asf audi space frame as a show car. Overview of asf a8 and a2 rolled sheet metal extruded pro. You are free to use this dissertation in any way that is permitted by.
Audi is taking the development of the steel body a step further to the multimaterial space frame, which combines components of aluminum, steel and fiberreinforced polymers frp with one another. Large parts made of carbon fiberreinforced polymer cfrp, such as the rear panel, the center tunnel, and the threepiece bpillars, form. Audi space frame asf height mm cooling system capacity incl. Maintenance free rackandpinion steering with speeddependent power. One of caches assertions is that architecture is the art of the frame. May 19, 2008 2010 audi a6 first to receive new aluminum steel space frame.
May 21, 2019 the fundamental construction of the r8 is based on the audi space frame, and uses an aluminium monocoque which is built using space frame principles. Like the bones in a skeleton, all of the parts combine optimal function with low weight. The decisive factor in this systematic light weight construction concept is the audi space frame asf, which weighs only 200kg thanks to an innovative multimaterial construction principle. Audi r8, ferrari 360, lamborghini gallardo, mercedesbenz sls. The new audi a8 comes with a new technical concept. In addition, the audi a8 offers a wealth of innovative hightech solutions from engine management to the braking system, in the area of improving comfort as. It combines nearly delayfree response and steering behaviour with superior driving. The third generation asf is an allaluminum frame structure that offers the dual benefits of being both lighter and stronger than steel. Audi a8 sitting on rotiform wheels with upgrades for sale. The frame and the generic space, a new way of looking to. Audi reveals details on the new a8 space frame car body design. No matter the generation, the a8 has been the big bad highend luxury sedan of audi that shows prestige in all its glory. A space frame chassis lies somewhere between the ladder chassis and the monocoque, it is constructed from an arrangement of small, simple members which make up a larger frame.
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