Each cad and any associated text, image or data is in no way sponsored by or affiliated with any company, organization or realworld item, product, or good it may purport to portray. Its primary function is to transmit the push and pull from the. Since the compressive forces are much higher than the tensile force, therefore the cross section of the connecting rod is designed as a strut and the rankine formula is used. All crower clutch discs are made with sintered iron and do not contain asbestos.
Price new from used from paperback, october 26, 2015. Design, simulation and manufacturing of a connecting rod from. Materialized optimization of connecting rod for four. Connecting rods are commonly made from cast aluminum alloy and are designed to withstand dynamic stresses from combustion and piston movement. Therefore, the initial design is compared to other design before performing the optimization. Catia free basic online training how to design connecting rod part1 car engine step 1 duration. Pdf design of connecting rod of internal combustion. The stress at a point on the connecting rod as it undergoes a cycle consists of two components, the bending stress component and the axial stress component. P, india 2 assistant professor, mechanical engineering, narasarao pet engineering college, a.
Its light and has the ability to absorb high impact, but it comes a. A connecting rod is an engine component that transfers motion from the piston to the crankshaft and functions as a lever arm. A parametric model of connecting rod is modeled using catia v5 r19 software and to that model, analysis is carried out by using ansys. Process planning iii abstract process planning includes the series of activities to design the process to transform the blank into the finished manufactured part.
Mar 16, 2016 the other constraint was the one on thickness to bound it away from zero. Analysis of connecting rod bearing design trends using a modebased elastohydrodynamic lubrication model by travis m. But, before inducing the truss member, basic design calculation will be used to derive the constant and varying design parameters 3. A rod offset 14 would not weigh much more than a conventional rod, and would cause the same leverage advantage as a crank with a 12 increased stroke at 90 from the cylinder center line. The connecting rod connects the piston to the crankshaft, and consists of the crank or big end, pin or small end, and shank. Design of connecting rod a connecting rod is a machine member which is subjected to alternating direct compressive and tensile forces. Connecting rod is designed for the purpose to transmit the power from the engine to the shaft and to convert reciprocating motion into rotary motion. Abstract the main objective of this work was to explore weight reduction opportunities for forged steel connecting rod in ashok leyland bharat stageii engines. Introduction design internal combustion engine piston, connecting rod and crankshaft theoretical dynamic analysis design internal combustion engine.
A connecting rod, also called a con rod, is the part of a piston engine which connects the piston to the crankshaft. Connecting rod design, connecting rod, fatigue testing, finite element analysis, analytical approach. Connecting rod is integral part of internal combustion engine. Connecting rod alignment by geometer given alignment accuracy in the major components of an enginecrankshaft, main bearings, cylinder and pistonany fault must rest with the connecting rod. Introduction from a set of schematic drawings of a 4cylinder supercharged volkswagen engine a design analysis is performed to determine the stresses and hence operational safety factor of the connecting rod, using cad packages. The rod must be straight, centertocenter rod length must meet design specs, the pin bore and bigend bore must be perfectly round, each bore must be sized appropriately for wrist pin and crank rod pin fit and oil clearance and the rod must be free of potential flaws. It is used 10 node and 20 node tetra shape of element type solid92. Siva nagaraju2, teege srinivas3 1 pg student, mechanical engineering, narasarao pet engineering college, a.
Design of connecting rod for light weight using c70s6 material. A reference book on ic engine connecting rod design by cad. Connecting rod design a6200 reengineering the model. Hippoliti 1993 reported design methodology in use at piaggio for connecting rod design, which incorporates an optimization session. Design and analysis of connecting rod using forged steel ijser. Author see all formats and editions hide other formats and editions. Materialized optimization of connecting rod for four stroke. Design evaluation and optimization of connecting rod parameters.
Finite element analysis and material optimization for. Topology optimization, connecting rod, finite element analysis, minimum weight, linear static method. The connecting rod is subjected to a complex state of loading. Pdf design and analysis of a connecting rod for the. Therefore, the connecting rod should be able to withstand tremendous load and transmit a great deal of power smoothly. A reference book on ic engine connecting rod design by cadcae aproach. Design considerations for connecting rod international journal of. Abstract the main objective of this study is to explore weight and cost reduction opportunities in the design and production of a connecting rod. A reference book on ic engine connecting rod design by cadcae aproach paperback october 26, 2015 by barasra rajesh m. This is the design model of connecting rod for fem analysis. Introduction a connecting rod can be of two types hbeam or ibeam or a combination of both. Linkage of the threedimensional parametric design system established through solidworks and the secondary development of the cad with the needs of enterprise. Fem analysis of connecting rod of different materials using ansys. Material design for advanced connecting rod for mass.
Bedse1 1department of mechanical engineering, savitribai phule pune university gokhale education societys r. In this system, users can carry out the parametric design modeling of the connecting rod, virtual assembly and generate engineering drawings, such as design work, and to carry out the simulation connecting rod and piston. Abstract the connecting rod is the intermediate member between the piston and the crankshaft. In 2 authors elaborate advanced manufacturing systems for forging products. Design and analysis of cam shaft for multi cylinder engine vulleru swamulu1, n.
In this lecture a numerical problem has been solved using ashby approach to choose material for a connecting rod such that it sustains both. Connecting rods manufacturing improvements and process planning tolerance chain analysis and training material silvia garde gonzalez master thesis 2015 kth royal institute of technology. Design and analysis of connecting rod using forged steel. Analysis of connecting rod bearing design trends using a. A connecting rod connrod mechanism converts rotating motion to reciprocating motion or vice versa. The connecting rod is required to transmit the compressive and tensile forces from the piston, and rotate at both ends. Failure analysis of connecting rod at big end scientific. The connecting rod is one of the most important parts of an engine system. Fem analysis of connecting rod of different materials. Connecting rods ibeam connecting rod beam style free.
A reference book on ic engine connecting rod design by cadcae aproach rajesh m. Connecting rod design factors such as joint surface flatness, bearing crush, geometric shape, and capscrew torque can significantly affect bore distortion, assembly stresses, and bearing and joint load distribution. This paper presents the design connecting rod of internal combustion engine using the topology optimization. This can be achieved by performing a detailed load analysis. The use of finite element modelling is not only related to the process design but to the study of the material behaviour as is the case of the research work by chen et al. Annual north american production is approximately 100 million rods. A rod that transmits motion or power from one moving part to another, especially the rod connecting the crankshaft of a motor vehicle to a piston. The results can be used for optimization for weight reduction and for design modification of the connecting. They could obtain 20% weight reduction in the neck region of the connecting rod.
Fatigue analysis of connecting rod using finite element. Theoretical dynamic analysis design internal combustion engine. The bending stress depends on the bending moment, which is a function of the load at the c. The other constraint was the one on thickness to bound it away from zero. Connecting rod, structural analysis, titanium, steel, gas load, fatigue, fea 1. Connecting rod definition of connecting rod by the free. It fits in between the crosshead and the crankshaft and converts the pistons reciprocating motion to rotary motion with the crankshaft. The big end of the connecting rod is connected to the crankshaft. There is no specific method to create an optimum process. Connection rod converts linear motion of the piston to rotary motion of the crankshaft project, design and fabrication of connecting rods has been a subject of number of papers. It is a pin jointed strut in which more weight is concentrated towards the big end. Enter ansys in the working directory specif ied by your instruct or using. The proper condition of a connecting rod is fairly straightforward. The load pattern illustrated in the figure above and the design criteria for the connecting rod lead to the test method used in this study.
Current automotive ic engines connecting rods are made of steel. Small end of the connecting rod is connected to the piston by means of gudgeon pin. In general, the failure occurs at the big end of connecting rod. Dec 09, 2011 a rod offset 14 would not weigh much more than a conventional rod, and would cause the same leverage advantage as a crank with a 12 increased stroke at 90 from the cylinder center line. Analysis and optimization of connecting rod with different materials. Material used to manufacture connecting rod in mass. Design analysis engine connecting rod warwick shipway, mechanical engineering, year 3 17.
Design of a pm connecting rod sonsino and esper, 1994. In this paper a design change is suggested in which truss is induced in the connecting rod design. Manufacturing variations in joint surface flatness and bearing crush were predicted. College anantapur dt, affiliated to jntua university. Design of light weight hydraulic connecting rod for agricultural. Sudershn kumar et al 5,2012 found that aluminum boron carbide have working factor of safety is nearer to theoretical factor of safety, 33. Design and optimization of four wheeler connecting rod. Feb 17, 2008 design analysis engine connecting rod warwick shipway, mechanical engineering, year 3 17. Stresses at the bottom of the connecting rod column ishida et al. Analysis of connecting rod bearing design trends using a mode. Pdf design and analysis of a connecting rod for the 117kw. When designing a crankshaft, it is important to make sure that the stroke and crankpin length dont interfere with the cylinder bore in the cylinder. Hydraulic power train assembly of an agricultural tractor is meant to controls the position and draft of the implement depending upon the type of crop, farming. In the point of view that location of the cg point of connecting rod lies more towards the big end.
The connecting rod is one of the most important components in the internal combustion engine rasekh et al. Also, three dimensional finite element analyses were performed. The objective of the present work is to design and optimize a connecting rod based upon its material properties by using connecting rod of different materials. This would allow a small displacement engine with a big bore able to produce the torque of a motor with a longer stroke. They are used respectively depending on their field of application or use. Development of connecting rod threedimensional parametric.
Design and optimization of four wheeler connecting rod using. Model of the connecting rod is designed with the help of inventor and analysis was performed by using. The objectives of this paper are to develop structural modeling, finite element analyze and the optimization of the connecting rod for robust. Since the compressive forces are much higher than the tensile force, therefore the crosssection of the connecting rod is designed as a strut. High compressive loads and high tensile loads are due to combustion and connecting rods mass of inertia, respectively. The rod must be straight, centertocenter rod length must meet design specs, the pin bore and bigend bore must be perfectly round, each bore must be sized appropriately for wrist pin and crank rod pin fit and oil clearance and the rod must be free. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users. Together with the crank, the connecting rod converts the reciprocating motion of the piston into the rotation of the crankshaft. Materialized optimization of connecting rod for four stroke single cylinder engine 1, marthanapalli haripriya, 2, k. New considerations in connecting rod design 8323 connecting rod design factors such as joint surface flatness, bearing crush, geometric shape, and capscrew torque can significantly affect bore distortion, assembly stresses, and bearing and joint load distribution. Connecting rods manufacturing improvements and process planning.
Introduction a connecting rod is the link between the reciprocating piston and rotating crank shaft. Here stainless steel, aluminum alloy and high strength carbon fiber 280gsm bidirectional are used to analyze the connecting rod. Connecting rod manufacture is a high volume, price sensitive application with strict performance, design and durability requirements. Currently existing connecting rod is manufactured by using carbon steel. Tech me, intl ananatapur dt, affiliated to jntua university, andhra pradesh, india. The connecting rod cr is the main moving part and an important component of an internal com. A wide variety of connecting rod types options are available to you, such as rs5. Feb 24, 2010 catia free basic online training how to design connecting rod part1 car engine step 1 duration. Design, simulation and manufacturing of a connecting rod. This has entailed performing a detailed load analysis.
As the purpose of the connecting rod is to transfer the reciprocating motion of the piston into rotary motion of the crankshaft. Design and analysis of a connecting rod for the 117kw six cylinders turbocharged diesel engine article pdf available march 2011 with 5,090 reads how we measure reads. This thesis describes designing and analysis of connecting rod. A connecting rod is subjected to a cyclic load during its service. Stress analysis of connecting rod for weight reduction a. Pathade 2 et al, he dealt with the stress analysis of connecting rod by finite element method using proe wild fire 4. Sapat college of engineering, management studies and research, nasik 5,india.