Free tutorial on how car chassisframe work plus tips on how to design and build tube, space frame and monocoque chassis. The purpose of this project is to design and build a space frame chassis for a race. And the design of the chassis would be taken in the catia v5 software, the design calculations are carried out with the is standards. Structural design and optimization of commercial vehicles chassis under multiple load cases and constraints download pdf paper. First 12 harmonic natural frequencies of 2008 and 2010 chassis frame 2008 frame 2010. Due to its advantages of easy to be manufactured and easy to be repaired, space frame chassis is the most favorite choice for race car development of newly introduced university level race formula competition. Space frame chassis design pdf the purpose of this project is to design and build a spaceframe chassis for a race car to compete in the fsaea competition as part of the uwa. The second and third concepts are based on the rulebook with alterations in basic chassis. The chassis should be easy to manufacture, repair and maintain. The entire design and analysis is made in accordance to sae supra 2015 rulebook and knowledge of fabricating and developing yesteryears car. A tubular spaceframe is a trusslike structure, which is strong because of the inherent rigidity of the triangular shape. Sarath chandra varma anits engineering college,visakhapatnam,india abstract the chassis design, in general, is a complex methodology and to arrive at a solution which yields a good performance is a tedious task. Due to its advantages of easy to be manufactured and easy to be repaired, space frame chassis is the most favorite choice for race car development of newly introduced university level. The chassis or frame is a structure which locates and mounts all other parts of the vehicle.
The ure06 will have a chassis consisting of a carbon. After designing this structural chassis, it is tested and analyzed for different fatigue, static and dynamic loadswhich is done on ansys software to obtain proper chassis design with. Formula sae, space frame, roll cage, chassis, crash analysis. A type of chassis that uses tubes, in a triangulated design similar to that found in bridges to create a structure to which suspension, powertrain and other components are attached. Figure 2 shows the 3dimensional modelling of the space frame chassis design. Pdf designing space frame race car chassis structure.
In both a space frame and a tube frame chassis, the suspension, engine, and body panels are attached to a skeletal frame of tubes, and the body panels have little. After designing this structural chassis, it is tested and analyzed for different fatigue, static and dynamic loadswhich is done on ansys software to obtain proper chassis design with minimum deflection for failure. Study of different parameters on the chassis space frame for the. Design and optimisation of a composite space frame chassis. Volume 2 design and analysis of space frame tubular chassis.
This is the fourth in the series of videos developed for ucis racecar engineering prog. Chassis design analysis for formula student car by. Jun 08, 2017 part is additionally dissected for the redirection because of bowing. After the design was prepared it was imported into ansys classic 11.
Pdf design and analysis of a tubular space frame chassis. The criterions of the formula car chassis design are to make maximum stress lowest and maximum deflection lowest. A space frame chassis is used to manufacture fsae car. This paper is an introduction to the design process of a steel tube space frame chassis for use in supra saeindia based on the experience of the team ufo racers. The design of the chassis is guided by different rules set up by the formula society. Pdf designing space frame race car chassis structure using. Design of a tubular steel space framefor a formula student. The book discussesdifferenttypes of chassis and the history of chassis evolution.
Pdf formula student racing competitions are held at various formula sae circuits globally. A backbone chassis is a type of automotive construction with chassis, that is similar to the bodyon frame design. The space frame was the next logical step up from the ladder frame. Analysis of composite chassis chalmers publication library. Students from different colleges worldwide thrive to build. Minnesota team has developed a different kind of space frame design which incorporates some of the positive aspects of the carbon fiber monocoque chassis, including a greater stiffness per mass. The bookpublishedby penguinbooksisentitledthe race carchassis andiswrittenby forbes aird. Design of a formula student race car chassis what is materials. A quote to manufacture and weld the frame was requested from vr3 and all documentation needed was created so that the manufacturing process could be completed during the upcoming summer. There are multiple types of chassis but all of them can be classified into one of two approaches. Design and analysis of space frame chasis for formula student. Design, analysis and optimization of space frame chassis. A space frame structures are strong due to the essential rigidity of the triangle and in such frames, the bending moment is transmitted as a stress and a compression load along the length of each strut.
Design methodology a space frame chassis was chosen over a monocoque in spite of being heavy, as its manufacturing is costeffective, requires simple tools and damages to the chassis can be easily rectified. A space frame chassis lies somewhere between the ladder chassis and monocoque. Designing and fabricating space frame chassis structure requires a certain set of knowledge especially in design, material selection and metal joining and fabrication which will result in rigid. Design and analysis of heavy commercial vehicle chassis through material optimization. Students from different colleges worldwide thrive to build a. Introduction depending upon structure the chassis should have resistance to deformation that is stiffness. These patterns are always in pure tension and compression.
If you are a person who plans to use your car for more than an occasional opentrack day, then this chassis kit was designed for you. Pdf designing and fabricating space frame chassis structure requires a certain set of knowledge especially in design, material selection and. The chassis of a vehicle is arguably the most important part as it serves as the framework onto which all other components are attached. Design and analysis of space frame chasis for formula. A comparison of frames tested in isolation versus whole vehicle testing is made, and a simple wholecar chassis torsion test method is discussed. The purpose is to design and manufacture tubular space frame chassis that should be strong enough to. Smitty describes the design principles for the chassis of a race car.
A perfectly designed space frame would have the tubular sections arrange so that the only forces on them are either tension or compression. By adding up small members in triangular pattern a truss bridge can be formed. This dissertation concerns the design and construction of a chassis for the formula. Design and analysis of eco car chassis sciencedirect. The space frame chassis that we made is of tubes and having roll cage structure. Pdf design and analysis of a tubular space frame chassis for.
Tubular space frame chassis in this study, it is decided that tubular space frame chassis is used for the urban car. Dimension of battery pack arrangement length breadth height 1 578mm 244mm 140mm 3 following is the rough estimate of how the given arrangement will require the space box in the frame. In a typical all steel spaceframe, chassis loads are normally directed along the longitudinal axis of a tube, i. Jan 01, 2012 to comply with the rules and regulation of the pec, the chassis will be of space frame type using mild steel. Being the main load bearing structure of the truck, wellconditioned design of the chassis frame is paramount to the success of the truck as a whole. The chassis design started with fixing of suspension mounting coordinates and engine hard points. Pdf this research paper aims at designing and analyzing chassis of formula sae car for automantra racing, sae team of galgotias. The cross sectional view of the tube for space frames chassis is given in figure 3.
It also provides a protected space for the occupants. The steel tubes are of aisi 4 chromoly having light weight and high strength 1. Aisi4 steel for a space frame chassis to withstand all forces. Design of a tubular steel space frame for a formula student race car. The fsae competition is a competition for university students to design, build and race their own open wheeled race cars, there are also a number of static design events in the. Saeaust race vehicle to be entered by the motorsport team of the university.
A brief summary of chassis design aspects is included in order make. Fea is done on the modelled chassis using the nastran patran. Apr 07, 2020 car chassis basics how to design tips free what is the difference between chassis and frame quora chapter 14 automotive chassis and body types of chassis and diffe cars according to body style mechanical booster. Static analysis and modal analysis was done to find out the stresses of the. Pdf design and analysis of a tubular space frame chassis of. Methodology frame type space frame chassis has been used widely in university level formula race car 1. Introduction this paper examines several aspects of vehicular frame design, with an emphasis on application to an openwheeled, space frame racecar chassis, as is used in. Design and analysis of chassis for an electric motorcycle.
Design and optimisation of a composite space frame chassis including experimental and computational analysis by mikhail narsai submitted in fulfilment of the academic requirements of master of science in mechanical engineering school of engineering college of agriculture, engineering and science university of kwazulunatal durban south africa. Sound engineering design and analysis allowed this mqp to produce a chassis that will give an exceptional performance in future competitions. Sep 25, 2020 design and construction of a space frame chassis pdf research paper design and analysis of truck chassis frame. The chassis design implements structural battery boxes. The chassis undergoes various kinds of forces during locomotion, it is intact without yielding, and it should. It is easier to manufacture owing to its simple design and also the most space saving other than a monocoque chassis. Foes formula saea space frame chassis design a dissertation submitted by christopher scott baker in ful. Volume 2 design and analysis of space frame tubular. The space frame is usually designed using a stiffness matrix, the special feature of the stiffness matrix in an architectural space frame is. For the design of their vehicle and the smooth integration of the various components.
Analysis in analysis stages, the model used the materials properties as tabulated in table 2, 3 and 4 to conduct analyse the performance. Space frames are sometimes used in the chassis designs of automobiles and motorcycles. It focuses primarily on space frames and stressed skin type chassis whichis. The proposed chassis is of the space frame style design and using computer. Fords design team, working closely with extruderhydro aluminum north america, has developed an allnew extruded aluminum space frame as the foundation of its legendary redesigned and reengineered 2005 ford gt. A space frame is a structure system assembled of linear elements so. Built from the foundation of the proven mk4 chassis, the modified challenge car chassis meets scca gt1 design criteria and is approved for nasas wheeltowheel factory five racing challenge series and other race classes. Design, analysis and fabrication of space frame chassis for. As the ladder chassis is not strong enough for high.
The proposed chassis is of the space frame style design and using computer aided design cad. Amongst different categories of chassis a space frame type is chosen. The chassis is designed for a formula student vehicle and thus needs to be strong, stiff and lightweight. The list of natural frequencies is given in table 2. The main objective of this paper is to design and analysis ofa space frame tubular chassis to be used in fsae. Elaborate monocoque design is so sophisticated that windshield and rear window glass make an important contribution to the designed structural strength of the automobile too. The nsx multimaterial space frame is a cleansheet design, utilizing a multitude of advanced materials and joining technologies, each chosen for its capability to deliver ultimate global and local body rigidity in combination with low mass, outstanding visibility and worldclass occupant crash performance. October 2015, volume 2, issue 10 jetir issn23495162 design and analysis of a tubular space frame chassis for fsae application 1 ifeanyichukwu u. Since ladder chassis is not strong enough, motor racing engineers have developed a 3dimensional design which known as tubular space frame. Formula student racing competitions are held at various formula sae circuits globally. The chassis frame is made of by the combination of bark wood, two. By framing the goals and constraints, we quickly identify the least flexible areas of design e.
A vehicle frame, also known as its chassis, is the main supporting structure of a motor vehicle to which all other components are attached, comparable to the skeleton of an organism until the 1930s, virtually every car had a structural frame separate from its body. An integral part of the truck is the chassis frame. In both a space frame and a tube frame chassis, the suspension, engine, and body panels are attached to a skeletal frame of tubes, and the body panels have little or no structural function. Computer aided modelling is done on a popular cad software catia v5.
Adesignimpressionoftheure05e thesis objective the objective of this thesis is to design the rear frame of the ure06 in such a way that it can mount the electric components. The cac ca6 wackett and yeoman ya1 cropmaster 250r aircraft were built using roughly the same welded steel tube fuselage frame cars. Flow chart in figure 1 represents the steps that has been followed to design and analyze the chassis. The chassis frame consists of side members attached with a series of cross members. The purpose of this project is to design and build a space frame chassis for a race car to compete in the fsaea competition as part of the uwa rev team. The chassis is manufactured by welding circular and square hollow steel using gmaw. Chassis s can be of many different types including ladder frames, monocoque, space frame and backbone style. The main criterion in chassis design was to achieve perfect balance between a spacious and ergonomic driver area with easy ingress and egress, and compact dimensions to achieve the required weight and torsiona l rigidity criteria. A complete analysis of a space frame chassis by using carbon fiber is carried out so as to compare it with steel and to optimize it by reducing its cross section so. By the 1960s, unibody construction in passenger cars had become common, and. Final design of frame 4 after deciding the space box for batteries, we had to make sure other components. A space frame has a number of features that distinguish it from a ladder frame and add massive advantages.
Bending moments are transmitted as tension and compression loads along the length of each strut. The design of a chassis for a formula saea race car must contain all necessary com ponents to support. A space frame chassis lies somewhere between the ladder chassis and the monocoque, it. Design, analysis and testing of a formula sae car chassis.
A space frame chassis was chosen over a monocoque in spite of being heavy, as its manufacturing is costeffective, requires simple tools and damages to the chassis can be easily rectified. Instead of a relatively flat, ladderlike structure with two longitudinal, parallel frame rails, it consists of a singular central, strong tubular backbone usually rectangular in crosssection, that carries the powertrain, and. For niche applications, there are two additional body design concepts. Good designs allow a light and stiff chassis to be fabricated at a minimal expense without compromising the safety of the driver. There are multiple types of chassis but all of them can be classified into one of two approaches use lengths of round or square tubing, or other structural metal shapes to form the. For this present work the optimal range of torsional rigidity is obtained by making the frame as light as possible by adjusting the size and location of the structural members. This concept is used behind the design of the space frame. Design and construction of a spaceframe chassis robotics uwa. Pdf design and analysis of a tubular space frame chassis of a. The objective of this thesis is to design the rear frame of the ure06 in such a way that it can mount the electric components. Space frame chassis was chosen for the simplicity of the design, ease of construction and facilitate the integration of the others car components. Tech automotive engineering, school of mechanical and building sciences, vit university, vellore assistant professor, school of mechanical and building sciences, vit university, vellore, tamil nadu, india. By contrast, in a unibody or monocoque design, the body serves as part of the structure. University of southern queensland faculty of engineering.
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