The pressure is produced in a master cylinder and delivered to. Disc brakes dissipate heat quicker than drums so they are usually fitted to the front where most of the braking happens. Design and analysis of titanium caliper disc brake 1pravin mohan patel 2 sudheendra s. International journal of engineering trends and technology. Weight distribution to the rear and front part of the vehicle. Data sheets, disc brakes, big brakes, bbk, brake conversion kit, bolt on brake kits, calipers, pads, pedal assembly, rotors, dynalite. Displacement and elemental stress analysis of brake pedal was done in hypermesh. Figure1 shows the design of disc, designed in catia with different modules. Disk brake seminar report, ppt, pdf for mechanical.
Objective the objective is to design a disc brake using solidworks 12. Ausco is the market leader because of our worldclass manufacturing. There have been different designs of disc brake systems for different applications. The shoes are pulled away from the drum by the springs when the brakes are released. This is because the disc brake rotor contacts the calipers during braking. Disc brakes offer higher performance braking, simpler design, lighter weight, and better resistance to water interference than drum brakes.
Ball ramp since ausco patented the original energizing disc brake in 1946, the ball ramp brake has evolved into a more efficient and costeffective design. Brake design and safety 2nd edition by ruldolf limpert. Smaller vehicles sometimes have drum brakes on the rear wheels. Some aftermarket rotor manufacturers use the same rib design and configuration as the oem rotors, while others do not. Aerodynamic cooling of automotive disc brakes a thesis submitted in accordance with the regulations for the degree of master of engineering by arthur stephens b. Increased temperature does not affect the disc pads much compared to the brake linings of the drum brakes.
G, design and analysis of disc brake rotor for a two wheeler, international journal of mechanical and industrial technology, vol. Design data sheet for caliper disc brakes ausco products. If the disc brake rotor cracks or changes shape, please cease to use immediately and consult a dealer or an agency. The type of design will determine what chemicals a technician should and should not use on the back of the disc brake pad plates to provide optimal function and service life with wagner disc pad products. Disc brakes use the same principle as bicycle handbrakes, but on a bike the brake pads press against the wheel itself. Determine torque per brake, assuming there are 10 sets of brakes. Design and analysis of brakes of gokart brake mechanical. Compared to drum brakes, disc brakes offer better stopping performance, because the disc is more readily cooled. Disc brakes provide better stability since these have uniform pressure distribution over the pads than that of the brake linings in the case of drum brakes. Keywords braking system, thermal analysis, disc brake, finite. Thermal analysis of disc and heat flux distribution of disc was performed in ansys r16. A disc brake consists of a cast iron disc bolted to the wheel hub and a stationary housing called calliper. Discs have now become the more common form in most passenger vehicles, although many use drum brakes on the rear wheels to keep costs and weight. The following work studies a conceptual design of a disc brake system.
The ribs are the important element in the design of disc it helps to sustain the maximum load also helps in optimization. The calliper is connected to some stationary part of the vehicle like the axle casing or the. Computer aided design and analysis of disc brake rotors. These advancements, as well as a specially designed 17inch rotor coupled with proprietary friction material, provides the adb22x model with many advantages over other air disc and drum brakes. Seminar on ceramics disc brakes report download disc brakes were most popular on sports cars when they were first introduced, since these vehicles are more demanding about brake performance. Brake disc area examine brake discs for grooves and tears. Modal analysis result an investigation was carried out to study the effect of natural frequency and weight due to modification of disc wall thickness, addition of rib and modification of design stage of the disc. On drum brakes, the handbrake system presses the brake linings against the drums. The high mechanical advantage of hydraulic and mechanical disc brakes allows a small lever input force at the handlebar to be converted into a large clamp force at the wheel. Assuming each brake is a disc brake with mean radius of 10 inches, determine normal brake.
In order to approximate the temperature rise of the disc an assumption as to where the energy is going has to be made. The brake design calls for it to be able to stop in 400 feet. Explore disk brake with free download of seminar report and ppt in pdf and doc format. Design and analysis of disc brake complete project report pdf free download abstract. Need of braking system sprung weight is the weight of all the parts of a car that are. Today, ausco remains the leader in spring appliedhydraulically released brakes. Braking power of a disc brake is determined by the rate at which kinetic energy is converted into heat due to frictional forces between the pad and the disc. The main purpose of the present work is to develop a suitable material selection method and apply that for the selection of best candidate material for brake disc application using ashbys chart and. Therefore, careful consideration of material for brake disc and its design plays key role in design of braking system of vehicle.
Engineering inspiration brake system design calculations. Disc brake systems generate braking force by clamping brake pads onto a rotor that is mounted to the hub. Gritt 14 1062002 14 typical power discdrum system here is an overview of a typical passenger car brake system. In this research work design of a disc brake is proposed with copper liner on its brake disc, the heat transfer of existing and hybrid disc will be calculated. In this paper mathematical inputs, and thermal loads of brake rotor, calculations of different parameters required for thermal analysis is done by taking suitable assumptions. Distance from the cg to the centre of rear and front wheel 3. The disc with dimensions 120 mm radius and 5 mm thickness has designed. Download design and analysis of disc brake complete project report.
It causes stresses and deformation which is indicated by its appearance, cracks on the disc 2. If the disc brake rotor becomes worn down to a thickness of 1. At present performing this function, the brakes take in either kineticenergy of the moving part or the potential. Bendix adb22x and adb22xv air disc brakes adb use a. Pdf design, analysis and manufacturing of disc brake. The main purpose of this study is to analysis the thermomechanical behaviour of the brake disc during the braking phase. The design of the brake adjusters becomes simple because when hot, the discs. Elements of disc brake there are major four elements of brake disc 1. Drum brakes are less expensive than disc brakes and they are somehow a. In this paper carbon ceramic matrix disc brake material use for calculating normal force, shear. A layout of the proposed braking system is shown in figure 4. Disc brake seminar ppt with pdf report study mafia.
The pan singlepiston air disc brake family has a long and successful history in the commercial vehicle sector. Wear gloves to protect your hands from getting cut. Every brake, every caliper, every product that leaves our shipping docks comes with a promise. The adb22x disc brakes mount to the axles anchor plate torque plate using. If a fluid leak occurs in one circuit, only two of the wheels will loose their. Design, analysis and manufacturing of disc brake rotor. Md16 clutches and brakes university of northern iowa. Be sure to also carefully read the service instructions for the disc brakes.
Disc brakes are a brake system that slows a wheels rotation by squeezing an attached metal disc in a viselike hydraulic caliper. A schematic view of the brake system is shown in fig. The brake pedal the power brake booster the master cylinder the hydraulic control valve the hydraulic lines the front disc brakes. Sumit thakur mechanical disc brake seminar and ppt with pdf report. Disc brake seminar ppt with pdf report brake basics leverage hydraulics friction why. Wabcos air disc brakes have provided excellent customer satisfaction for many years.
It is not enough to design and develop the right product for the customer. Since ausco patented the original energizing disc brake in 1946, the ball ramp brake has evolved into a more efficient and costeffective design. Design and optimization of disc brake rotor ijirset. Initially most of the heating takes place in the disc, however this can then be rapidly cooled by surrounding components and the air stream. In principle, drum brakes operate pretty much like disc brakes except that the movement of the brake shoes is outwards from the midline to allow them to get in contact with the brake drum.
Brake design calculations by engineeringclicks on 2nd november 2011 brakes are machine elements that absorb kinetic or potential energy in the processes of slowing down or stopping a moving part. The main motive of undertaking this project of design and analysis of disc brake of gokart is to study and evaluate the performance under severe braking conditions and there by assist in disc rotor design and analysis. In this research work design of a disc brake is proposed with copper liner on its brake disc, the heat transfer of existing and hybrid disc will be. The design of brake rotor is done on solid works 15 and analysis is done with the help of ansys. Pdf optimum design of disc brake using nsga ii algorithm. Pan trailer brakes accommodate common rim sizes and. Therefore, it is must for all vehicles to have proper brake system. Drum brake also has an adjuster mechanism, an emergency brake mechanism and lots of springs. Disc brakes sometimes have a comparable handbrake arrangement, but because it is difficult to place the linkage on a compact caliper, there may be a completely separate set of handbrake pads for each disc. Material selection method in design of automotive brake disc. Mar 04, 2015 sumit thakur mechanical disc brake seminar and ppt with pdf report.
Motorcycle uses the hydraulically operated foot brakes on the rear wheel. Pdf design, analysis and manufacturing of disc brake rotor. Also explore the seminar topics paper on disk brake with abstract or synopsis, documentation on advantages and disadvantages, base paper presentation slides for ieee final year mechanical engineering me or production automobile students for the year 2019 2020. Drum brakes are less expensive than disc brakes and they are somehow a lot easier to repair or even replace. Brake caliper is the end part of effort transmission in brakes which retards the motion of two wheeler 3. Sep 25, 2019 in principle, drum brakes operate pretty much like disc brakes except that the movement of the brake shoes is outwards from the midline to allow them to get in contact with the brake drum. Structural analysis is done on the disc brake to validate the strength of the disc brake and thermal analysis is. To increase safety, most modern car brake systems are broken into two circuits, with two wheels on each circuit. Bendix air disc brakes provide safety and performance as well as ease of service. Results based on finite element analysis are used to further improve the designing of the disc brakes. Design and analysis of ventilated disc brake iosr journal. Optimum design of disc brake using nsga ii algorithm. Apr 24, 2016 main design criteria for disk brakes are 1. Working of drum brakes drum brakes work on the same principle as the disc brakes.
The aim of this conceptual design was to increase the strength of the caliper, without increasing the weight of the caliper by a. Determine stopping torque required if wheels are 36 inches in diameter. A brake is a mechanical device which simulated frictional safety is connected to moving machine part, to stop the movement of a machine. The main objective of this project is to apply nsgaii algorithm for optimizing the design of disc brake for minimization of brake mass. Bendix air disc brakes have a twopin floating caliper design that provides more stringent overall dimensional accuracy and consistent force distribution. Disk brake design equations and calculator engineers edge. So even though the brakes may appear to be identical on two different models, one may require increased cooling because the vehicle is heavier, has a more powerful engine, has less airflow around the brakes, etc. A brake is a mechanical device which is used to slowing or stopping a moving object or preventing its motion. Design and analysis of disc brake international journal of. Drive engineering practical implementation sew disc brakes 9 2 principles of the sew brake introduction 2.
This page contains disc brake seminar and ppt with pdf report. On the brake lever, the location of the lever pivot in relation to the input force and the pushrod the mechanism that drives the master piston is a key factor in determining leverage. Disc brakes are a brake system that slowly a wheels rotation by force an attached element disk in a viselike hydraulic caliper. Empty and loaded vehicle weight static weight distribution lightly and fully laden wheel base center of gravity height lightly and fully laden. Each single system has been studied and developed in order to meet safety requirement. What is disc brake, what are its types and how it works. Designed to clamp onto both sides of discs or flat rails, these specialized brakes create friction that exerts a braking force on the disc. Pdf design and analysis of disc brake rotor researchgate.
When using the shimano original tool tlfc36 to remove and install the disc brake rotor fixing ring, be careful not to touch the outside of the disc brake rotor with your hands. Bendix air disc brakes offer commercial vehicle drivers top performance, durability, and long life. Hose is for transmission of oil from master cylinder to brake caliper 4. Most modern cars have disc brakes on front wheels and drum brakes on rear wheels and some wheels have disc brakes on all four wheels. The objective of this work is to compare temperature distribution.
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