In this project a shock absorber will be designed and a 3d model which will be created is by using proengineer. Design and analysis of a shock absorber 3d cad model. Aircraft landing gear is a unique subsystem which is actuated to land the airframe without a depredation to the airframe. We have modeled the shock absorber by using 3d parametric software proengineer. Shock absorbers market oem sales,aftermarket sales. The mechanical device which is designed to absorb, smooth out the shock impulse during running of a vehicle is called as shock absorber. As there is growing demand for quality shock absorbers in india, design and. Main components of shock absorber consist of following part see fig. One design consideration, when designing or choosing a shock absorber, is where that energy will go. The landing gear shock absorber is an integral component of an aircrafts landing gear110. Design and analysis of electromagnetic shock absorbers grabcad. Spring rates are chosen by the manufacturer based on the weight of the vehicle, loaded and unloaded. The main function of vehicle suspension system is to separate the vehicle body and passengers from the oscillation created by the irregularities and.
The design, modeling, and analysis of the hersa are demonstrated. We have done analysis by varying spring material spring steel and beryllium copper. An accurate mathematical model is proposed based on the hydromechanics theory. Shock absorbers use valving of oil and gasses to absorb excess energy from the springs. The model is also changed by changing the thickness of the spring.
Modeling and analysis of a hydraulic energyharvesting shock. Kim 7 also performed an analysis of a twin tube damper with focus on. Shock absorber, catia v5, ansys, fea, structural analysis. Methods for shock analysis response spectrum method commonly used solve faster than a full transient analysis includes non stationary excitations linear analysis only transient time history analysis. Solidworks tutorial sketch shock absorber in solidworks.
Global motorcycle shock absorber market industry analysis. Furthermore, it can be added with an adjustable fluid damper connected between sprung and unsprung mass to design a shock absorber with variable stiffness as well as variable damping. After getting these dimensions, a complete, unique and unambious 3d model of shock absorber will be created by using proengineer. Design and analysis of a shock absorber slideshare. First of all, the original dimensions of shock absorber are achieved from the industries regarding shock absorber. This paper proposes a hydraulic energyharvesting shock absorber prototype, which realizes energy harvesting of the vibration energy dissipated by the automobile suspension system. Most of the papers work on the design and analysis of the helical coil spring, materials used in its manufacturing and determining its strength and different modes of failure as shown in below fig 1. Design and analysis of a shock absorber with both tunable inertance. The proposed shock absorber design works on rack and pinion mechanism to generate power, where the linear movement of the shock absorber is converted to rotary movement. Analysis of suspension with variable stiffness and variable. Structural analysis and modal analysis are done on the shock absorber by varying material for spring, spring steel and phosphor bronze. This is typically performed by design engineers, experienced expert evaluators, and assistance from vehicle dynamics engineers and their computer simulation tools.
Oct 16, 2017 shock absorber for 2 whellers in a 3 d modelling and assembly full video. Also the shock absorber design is modified by reducing the diameter of spring by 2mm and structural, modal analysis is done on the shock absorber. Design and analysis of suspension system for an all terrain vehicle shijil p, albin vargheese, aswin devasia, christin joseph, josin jacob. Jul 29, 2016 we have modeled the shock absorber by using 3d parametric software proengineer. This is a linear deceleration force stroke curve and is the curve provided by industrial shock absorbers. In this project, after make an experiment and analysis, the. Report by sae international journal of passenger cars mechanical systems.
Shock absorber design and assembly fusion 360 tutorials. In a vehicle, it reduces the effect of traveling over rough ground. The load is decelerated with the lowest possible force, in the shortest possible time, eliminating damaging force peaks and shock damage to machines and equipment. Structural and modal analysis of shock absorber of vehicle a. To design the shock absorber assembles in between chassis and front part of car bumper shock load withstand. Research paper analysis of shock absorber using different. Comparison is done for four materials to verify best material for spring in shock absorber. The design consists of mainly a coil windings array and a permanent magnet array. In this project a shock absorber is designed and a 3d model is created using catia. By comparing the results for different materials, the stress value is less for titanium alloy. Optimization of a shock absorber using finite element analysis. There are two basic shock absorber designs in use today. Design and analysis of a shock absorber rohit verma cadd centre,agra abstract a shock absorber or suspension system is a mechanical device designed to smooth out or damp shock impulse, and dissipate kinetic.
Design and static analysis of shock absorber ijirst. Technical analysis of a proposed shock absorber design standard 2016011543 one important part of the vehicle design process is suspension design and tuning. The function of all the components like piston valve, compression and rebound chamber and the flow analysis of the fluid through these valves are studied in detail by designing the double spring damper shock absorber using 3d software. Design and analysis of shock absorber deformation engineering. In a vehicle, it reduces the effect of traveling over. The analysis is done by considering loads, bike weight, single person and 2 persons. The analysis results indicate that the ttmvmi absorber outperforms the ttmcmi design in terms of body displacement. While shock absorbers serve the purpose of limiting excessive suspension movement, their intended sole purpose is to damp spring oscillations. Structural analysis and modal analysis are done on the shock. In our project we have designed a shock absorber used in a 150cc bike.
Structural analysis and modal analysis are done on the shock absorber by varying. Structural analysis is done by considering tyre weight, bike weight and weight of two persons. Design, modeling, and analysis of a novel hydraulic energy. This paper includes the design, modelling and analysis of conceptual hybrid double spring damper shock absorber. The team decided on the shock absorber as the final design concept based on the consumer survey, as well as the ease with which it could be implemented into hybrid cars, and the very small impact it would have on the weight of the car. Structural analysis is done to validate the strength and static analysis is done to determine the displacements for number of materials of spring. Design and analysis of a shock absorber with a variable. A number of different shock absorber designs are available, but the fundamental operation of each is the same. Ttmvmi absorber has been analyzed via dynamics modeling and simulation and further examined by experiments.
An automobile shock absorber contains springloaded check valves and orifices to control the flow of oil through an internal piston see below. This paper presented a novel hydraulic energyregenerative shock absorber based on the traditional telescopic shock absorber. The design is based on standard input values, such as sink speed, aircraft weight, load factor etc, using an. Finite element analysis and matlab simulation are utilized to derive the generator configurations for the satisfactory. The conventional shock absorber is illustrated in fig. Structural analysis and modal analysis are done on the shock absorber by varying material for spring the analysis persons. Abstract shock absorber is a mechanical device designed to smooth out or damp shock impulse. Shock absorbers area unit an important a part of a mechanical system, connecting the vehicle to its wheels. Pdf design and analysis of a shock absorber editor. Experimental setup done proved to obtain 15 w of power while driving at a speed of 15mph on a b class road. Tech associate professor, mechanical department, giet, andhra pradesh, india. Pdf design and analysis of a shock absorber kibrom.
Large shock absorbers have also been used in structural engineering to. Principles and practices leading students and engineers from the initial concepts of landing gear design through the final detail design, this text provides a link in landing gear technology from historical practices to. Design and analysis of modified oleo strut shock absorber. Design and analysis of wave spring for automobile shock absorber. The role of the shock absorber is to absorb and dissipate energy upon impact, so that the forces imposed on the aircrafts frame are tolerable.
The design and numerical simulation of a linear generator for use in an automobile shock absorber are presented in this paper. Design and analysis of a shock absorber johnson, davis jose, anthony tony. Many papers were published regarding analysis and design of shock absorbers. Overview the shock absorber is the one item that is common to all current landing gears. Pinjarla poornamohan, lakshmana kishore 4, in their project a shock absorber is designed and a 3d model is created using proengineer. Shock absorbers are a critical part of a suspension system, connecting the vehicle to its wheels. Alex engineering design, gojan school of business and technology, redhills, chennai600 052 abstract. A shock absorber or suspension system is a mechanical assembly designed to smooth out or damp shock impulse, and dissipate kinetic energy. Design and analysis of energyharvesting shock absorber.
Design of shock absorber test rig for measurement and analysis of transmissibility. Design and analysis of a shock absorber by esat journals issuu. Design and analysis of electromagnetic shock absorbers. Damping characteristics of shock absorber for heavy vehicle research journal of applied sciences, engineering and technology 53. Design and analysis of a shock absorber, international journal of engineering research and technology, vol. Nov 25, 2017 shock absorbers use valving of oil and gasses to absorb excess energy from the springs.
The cylinder is filled with a fluid such as hydraulic fluid or air. Technical analysis of a proposed shock absorber design. By reducing the diameter, the weight of the spring reduces. Pdf design and analysis of shock absorber sudarshan. Design and analysis of shock absorber using fea tool ijerd. Working of shock absorber shock absorber work on the principle of compressionexpansion of. Shock absorbers market report offers accurate regionwise market projections and forecasts, market share, size, segmentwise analysis, regulatory framework assessment, opportunities and challenges for stakeholders, and impact of key industry trends. Alijanpour m, and kiasat ms, design and analysis of automotive bumper beam in low speed frontal crashes, thin walled strut. The conceived linear generator employs highperformance rare earth permanent magnets with compact size to ensure efficient energy recovery. Design and analysis of wave spring for automobile shock. The need for dampers arises because of the roll and pitches associated with vehicle maneuvering, and from the roughness of roads. Based on the analysis procedure as outlined in this chapter, algorithms were developed to determine the required stroke and piston length to meet the given design conditions, as well as the energy absorption capacity of the shock absorber. Springbased shock absorbers commonly use coil springs or.
Design, modelling and analysis for experimental investigation. Structural and modal analysis of shock absorber of vehicle. Technical analysis of a proposed shock absorber design standard. An oleopneumatic strut is an airoil hydraulic shock absorber used. Being a load bearing member, it basically acts as safety item last longer and cost more than shock absorber as it can withstand a higher load it is basically used in passengers cars, jeeps, and lcvs. Pneumatic and hydraulic shock absorbers commonly take the form of a cylinder with a sliding piston inside. The examination of landing cases that an aircraft may endure involves analysis of the. In this project a shock absorber is designed and a 3d model is created using proengineer. In most shock absorbers, energy is converted to heat inside the viscous fluid. Please subscribe our channel for more videos and projects in. A suspension system or shock absorber is a mechanical device designed to smooth out or damp shock impulse, and dissipate kinetic energy. The analysis is done by considering loads, bike weight, single person an d 2 persons. Design and analysis of modified oleo strut shock absorber system in aircraft landing gear m. This project focuses on the design and analysis of an oleopneumatic shock absorber strut for nose landing gear system for a lightweight aircraft having tricyclic configuration.
The shock absorber handbook, 2nd edition provides a thorough treatment of the issues surrounding the design and selection of shock absorbers. Tech student, dept of me, vignan university, india. Shock absorbers are a critical part of a suspension system. Design and analysis of shock absorber by irjet journal issuu. The role of the shock absorber is to absorb and dissipate energy upon impact. March 2015 structural and modal analysis of shock absorber. Shock absorber is a mechanical device designed to smooth out or damp shock impulse, and dissipate kinetic energy. Shock absorber suspension system design part 1 youtube. The landing gear shock absorber is an integral component of an aircrafts landing gear. Design evaluation of a two wheeler suspension system for. The mechanical behaviors of the semiactive shock absorber with different inertances and damping coefficients are obtained and analyzed. The benchmark for design and analysis will be the shock absorbers currently in use on the 2004 vehicle.
In a vehicle, shock absorbers reduce the effect of traveling over rough ground, leading to improved ride quality and vehicle handling. Reference 6 did structural and modal analysis using fea tool to verify the best material for spring in shock absorber, and concluded that spring steel is better than. Structural analysis and modal analysis are done on the shock absorber by varying material for spring, spring steel and beryllium copper. To validate the strength of our design, we have done structural analysis and modal analysis on the shock absorber. They have the highest efficiencies of all shock absorber types and also have the best energy dissipation. Schematic arrangement in the proposed shock absorber is shown in figure 4. The structural design of the proposed shock absorber ensures that the unidirectional flow of oil drives the hydraulic motor to generate electricity while obtaining an asymmetrical extensioncompression damping force. Structural and modal analysis are done on the shock absorber by varying material for spring steel and molybdenum. Design and analysis of a shock absorber rohit verma cadd centre,agra abstract a shock absorber or suspension system is a mechanical device designed to smooth out or damp shock impulse, and dissipate kinetic energy.
Pdf design and analysis of shock absorber suresh nalla. A shock absorber is a mechanical device designed to smooth out or damp shock impulse, and dissipate energy. The regenerative shock absorber converts suspension vibration between the wheel and the sprung mass into electrical power. A shock absorber or damper is a mechanical device designed to smooth out or damp shock impulse, and dissipate kinetic energy. Various research papers arebased on analysis done using different materials. Shock absorber forces f s and spring forces f f are absorbed by the bearing figure 1 only the spring forces ff pass through the bearing.
Introduction the basic function of the shock absorber is to absorb and dissipate the impact kinetic energy to the extent that accelerations imposed upon the airframe are reduced to a tolerable level 2 and 20. This tool is a group of equations that can predict the force behavior of the shock absorber and the corresponding valves according to the preliminary shock. Transportation industry shock absorbers design and construction standards. The shock absorbers duty is to absorb or dissipate energy. Structural analysis and modal analysis are done on the shock absorber by varying material for spring, spring steel and beryllium. Through bevel gears, the rotational motion of the pinion gear is transferred by 90 to the rotational motion of the generator. The structural and modal analysis will be performed on this 3d model of shock absorber. The model is tested with different materials for absorber and also for spring. It is an invaluable handbook for those working in industry, as well as a principal reference text for students of mechanical and automotive engineering. Design and analysis of wave spring for automobile shock absorber puvvala raju.
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