It transmits the reciprocatory motion of the piston to the rotary crank. Because large numbers of parts are manufactured each year according to the aboveidentified manufacturing process, any efficiency in manufacture can result in substantial cost and time savings. It is possible to manufacture connecting rods by different technologies. Connecting rods undergoes high cyclic loads during exploitation, therefore, the durability of this component is of a critical importance. The threedimensional modeling, logistics analysis and witness. Con rod machining technology leader in fracture splitting since the beginning of the nineties, the first fracture splitting tests of con rods were realized and the technology was implemented into the production equipment.
We can develop and manufacture of any type of connecting rod as per drawing or sample. Design and analysis of assembly of piston, connecting rod and. The main factors characterizing high durability of the connecting rod are hardness and impact strength that may be achieved selecting the proper technology regimes. Its light and has the ability to absorb high impact, but it comes a. The rod and cap are usually produced as a single unit and subsequently separated. Crankshaft design, materials, loads and manufacturing, by epi. It describes the complete process of piston manufacturing. Jul 12, 2005 the connecting rod manufacturing art is constantly looking for ways to make the manufacture of connecting rods faster, cheaper, and easier. Method of manufacturing low cost nonporous metal connecting rods. One end of the connecting rod is connected to the piston through a piston pin while the other is connected to crank through a crank pin. Upsetting the thickness of the work reduces and length increases steps. Agenda manufacturing of connecting rod forging vs casting defects of forging designing and manufacturing processes limitation of forging economics limitation 2 3.
This thesis has been focused on the study of the connecting rod manufacturing process. Piston manufacturing process free download as powerpoint presentation. Manufacturing robson engineering con rods connecting rods. Some examples of shapes obtained by forging process. The analysis of the scania line together with a benchmark among different leading companies on the connecting rod manufacturing has been undertaken. Connecting rod is an element or link which is found in any automobile engine or any reciprocating to rotary motion transmission.
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. Power industries has been a specialist for manufacturing connecting rods for diesel petrol engine over 30 years and offers an extensive range. The connecting rod is made of an extruded bar stock forging made of an. Selection of material, shape and manufacturing process for a connecting rod abstract this activity centers on the courses of strength of materials and production design offered at a sophomore level mechanical engineering curriculum. In this report, the application of the fs method was examined for manufacturing the connecting rod which used the jis scm420 carburized steel.
There are two ends of connecting rod one is known as the big end and other as small end. 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. We support our customers from the start of concept definition all the way through to the finished system. It is a very important link of a slider crank mechanism, where in we many consider first link as fin body, second as piston, third as connecting rod and forth as crank. Introduction the connecting rod or conrod connects the piston to the crank or crankshaft, in a reciprocating piston engine converts linear motion into rotating motion. Abstract connecting rod is a major part inside of a internal combustion engine.
Youngs modulus e 210 gpa, yield strength s y 210 mpa, poissons ratio. It acts as a linking member between piston and crank shaft. Design and analysis of assembly of piston, connecting rod. Modern manufacturing process of forged connecting rod. The objective of the present work is to design and analyses of connecting rod made of aluminium alloy. Download limit exceeded you have exceeded your daily download allowance. Alfing kessler sondermaschinen and alfing montagetechnik develop flexible manufacturing systems and supplies components and systems for assembly technology. Connecting rod is an integral component of an engine and it is classified under functional component based on its application. Pp330 series mm330 series pp350 series mm350 series pp365 series mm365 series pp315 series mm315 series. Fatigue analysis of connecting rod using finite element analysis 789 the stress at any point on the connecting rod at this axial load can be interpolated from the axial stress analysis results. Rottler manufacturing cnc engine building machinery and.
Design, simulation and manufacturing of a connecting rod. The connecting rod manufacturing art is constantly looking for ways to make the manufacture of connecting rods faster, cheaper, and easier. Introduction connecting rods are widely used in variety of automobile engines. Comparative study of the connecting rod manufactured using forging and sintering. Us6502480b1 high performance forged aluminum connecting. Manufacturing robson engineering con rods connecting. A comparison of manufacturing technologies in the connecting.
Manufacturing is carried out at our versatile iso 9002 accredited facility, where a continuous investment and improvement programme has ensured the precision control required for our high performance product range. Fracture splitting of the rod and cap is the latest major industry development. Ohhsk50, ovrm120, ovxlc120, ovxl120, ovxl125, ohv11 ohv17, ovm120, ovrm40675, ovm120200004, ovm120200006, ovm120200012, ovm120200014a. Con rod machining technology leader in fracture splitting. It is possible to manufacture connecting rods by different technologies and from different materials. Connecting rod manufacturers, connecting rod suppliers, exporters. Carbon steels or alloy steels are the most commonly used materials. Engine connecting rod an overview sciencedirect topics. Ic engine major parts and its function, materials,images. A knowledge of all the available materials is important to us, as is the need to keep pace with the machining, surface treatment and coating techniques required to produce the long lasting products which form the core of your engine. It is subjected to high tensile, compression and bending loads. Performance shown on inside charts is for continuous. Crackable connecting rod material selection by using.
Current automotive ic engines connecting rods are made of steel. The connecting rod pushes the piston up, and is helped back down by the pistons reciprocal motion. This forging part is a single part weighting 540 grams,the distance from the centerline of the connecting rod to the centerline is 129. Us6502480b1 high performance forged aluminum connecting rod. Design, simulation and manufacturing of a connecting rod from ultrafine grained material and isothermal forging. Selection of material, shape, and manufacturing process. Connecting rod manufacturers, connecting rod suppliers.
Manufacturer of connecting rod, connecting rod manufacturer. Gopal et al design and analysis of assembly of piston, connecting rod and crank shaft 237 international journal of current engineering and technology, vol. The equipments were selected by the ahp, and production layout is realized by the slp. The function of the connecting rod is to transmit the. In this project the material forged steel of connecting rod replaced with aluminium alloy. You can choose from a wide array of connecting rods including compressor connecting rod, forged connecting rod, engine connecting rod, cone connecting rods etc. A connecting rod is a machine member which is subjected to alternating direct compressive and tensile forces. The current situation of the connecting rod cracking technology development is introduced.
The partially fused bundle is positioned in a mold in such a manner to produce an extra gap for a predetermined machining allowance between. Development of fracture splitting method for case hardened. Conduit making machine, and method of making an article made thereby. Gast rocking piston compressors and vacuum pumps 3 variety gast oilless rocking piston air compressors and vacuum pumps, available in single, twin, miniature, and tankmounted styles, are the perfect choice for hundreds of applications. An improved high performance aluminum connecting rod and a method of manufacturing such a connecting rod which is capable of carrying particularly high compressive loads with a substantially reduced deformation resulting from such high compressive loads in high performance engines. We manufacture proven highquality connecting rods for all types of tractors, automobiles, marine, dg sets, earth moving equipments and. Method of manufacturing connecting rods metaldyne company llc. Comparative study of the connecting rod manufactured using.
Behaviour of trucks compressors connecting rods made of. The right materials material selection is key to our final product performance and is considered carefully at the design stage. Sep 30, 2017 the material changes depending on the application. Keywords crackable connecting rod, material selection, topsis method, ranking 1. The function of the connecting rod also involves transmitting the thrust of the piston 1. Selection of material, shape, and manufacturing process for a.
Apr 16, 2014 in depth behind the scenes look at hot rods u. Our manufacturing product are all type of connecting rod suitable for cars, truck, tractors, jeep, compressor, marine compressor etc. Connecting rod conrod is one of the main components in every internal combustion engines. Aluminium alloys also can be used for these as an alternative. Design, simulation and manufacturing of a connecting rod from. Corus steels for connecting rods meet the demands of high performance engines, lightweight design, component reliability and low through cost manufacturing. A connecting rod is one of the most mechanically stressed components in internal combustion engines. The ductile iron connecting rod experienced an average life of 1,605,902 cycles at a 50% survival rate or 635,811 cycles at a 90% survival rate. Steel materials are used to design the connecting rod. Introduction the connecting rod or conrod connects the piston to the crank or crankshaft, in a reciprocating piston engine. Piston manufacturing process piston cylinder engine. The connecting rod cracking production line was established on the basis of the actual connecting rod cracking production data. Manufacturer of connecting rod exporter of connecting rod.
The proper condition of a connecting rod is fairly straightforward. Thrust plates bearings retainers nuts, threaded rod, washers, pins, seals, spacers keys, plugs, check valves hex head cap screws grade 8. Gast compressors and vacuum pumps performance shown here are performance ranges of our positive displacement models. A connecting rod subjected to an axial load w may buckle.
Fatigue analysis of connecting rod using finite element. A connecting rod basically connects the piston to the crankshaft whilst transmitting power of the combustion from the combustion chamber to rotate the crank. View and download tecumseh ohh50 65 handbook online. It is a deepnitriding alloy containing 300 points of chrome, developed in the midnineties specifically for aerospace bearing applications. Connecting rod connecting rod kit manufacturer from rajkot. Crankshaft design, materials, loads and manufacturing, by. Crane hook, connecting rod of ic engine, spanner, gear blanks etc. The average life of a malleable iron connecting rod was 764,962 cycles at a 50% survival rate or 347,734 cycles at a 90% survival rate. Comparative study of the connecting rod manufactured. Alloy steels are used for manufacturing conrods for high performance engines as they provide the required cyclic strength without substantially increasing the dimensions of critical. A method of making a connecting rod for an internal combustion engine which includes shaping a bundle of unidirectional inorganic fibers, placing the bundle into a shaping container and heating it partially in order to fuse the fibers to each other.
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