Needle roller and cage assemblies for crank pins and. A parametric model of connecting rod is modeled using catia v5 r19 software and to that model, analysis is. Oct 06, 2016 a steps to draw assembly drawing from details drawing. Remove the piston and connecting rod assembly through the top of the cylinder liner. The length of the tapered portion of the piston rod l is taken as 2. Definition, parts, types, function, material notes. Dispose of outer connecting rod and cylinder sleeve. Apply the assembly visualization tool to sort components by mass while creating a motion. It is simply a link, usually made of aluminum, with pins at either end. Understand the purpose, principle of operation and field of application of the given machine. Figure 3 shows the assembled view of the connecting rod and fig. Open the connecting rod assembly in the samples section of your data panel, browse to basic training 11 simulation connecting rod assembly, as follows. Drawings of assembled views for the part drawings of the following. Section views to show how parts fit and to eliminate hidden detail.
In general a slider crank transmits motion generated by the linear displacement of the piston by a working fluid to rotational motion of a shaft. The connecting rod attaches the power piston to the crank. Pdf design and analysis of a connecting rod for the 117kw six. For general piston information, refer to section 1.
This will help in understanding the functional requirements of individual parts and their location. Place connecting rod 11 between panels 9 and 10 as shown below and secure with bolts 43. Examine thoroughly, the external and internal features of the individual parts. Pdf design and analysis of connecting tie rod assembly for. Machine drawing1 pages 301 350 flip pdf download fliphtml5.
Assembly and details machine drawing pdf mechanical engineering taktak decor. Figures 1 and 2 show the part model rod and cap portions of the connecting rod, respectively. The strap is fastened to the rod by jib 4 and cotter 5. Solution of manufacturing defects in connecting rod.
In the work presented here, a connecting rod is modeled numerically for a 4cylinder, 4stroke diesel engine. Processbased tolerance assessment of connecting rod. If new parts such as pistons, rings, cylinder liners or bearings were installed, operate the engine on the runin schedule. Assembly drawings must have a number of views to show how parts fit together. Connecting rod assembly drawing,online education youtube. Nomenclature a cross sectional area of the connecting rod. Thus when one switch point is open, the other is closed. Design and analysis of assembly of piston, connecting rod and.
Detail drawing finish drawing of connecting rod, m. Reassemble the piston and connecting rod by sliding the piston pin back into place in the piston. The piston is the single, most active and very critical component of the automotive engine. Dale vice president, member and industry relations metal powder industries federation 105 college road east princeton, nj 085406692 introduction since 1986, more than 500 million powder forged pf connecting rods have been manufactured and installed in automobiles worldwide. Drawings of assembled views for the part drawings of the following using conventions and easy drawing proportions. The diameter of the parallel part of the piston rod d and diameter of the piston rod at the tapered end d1 may be obtained as follows. So a more flexible design that improves quality and reduces the manufacturing is necessary.
Connecting rod is an important part in engine assembly. The dimensions of the engine piston, connecting rod. Well be seeing more and more of these applications from the oem side. The connecting rod is designed using catia v5 6r 2014 according to the specifications given below. The connecting rod subjected to tensile load at crank end, while using factor of safety 3 as recommended by shenoy 2004. The data panel appears at the left side of the program window. A switch usually has one rod that is connected to the throwing mechanism or switchstand assembly. The piston rod 2 is secured to the crosshead block by means of the cotter 5. For general connecting rod assembly information, refer to section 1. Piston connecting rod assembly drawing detroit diesel series 60 pistons rods 11 1l 12 7l 14l april 17th, 2019 we offer a large assortment of detroit diesel series 60 pistons and rods components including connecting rods rod bearings cylinder kits piston kits ring sets and. The ends where the rod is connected to the xhead or crankpin have bearings which are made of white metal working surface and shims thin packings are used to make the necessary adjustments. Apr 25, 20 the assembly of a piston, cylinder, connecting rod and crankshaft is the classic form of the slidercrank mechanism.
With fatigue analysis we can determine the lifetime of the connecting rod. The part drawings of a marine engine connecting rod end are shown in fig. A connecting rod is rigid component, it may transmit either a push or a pull and so the rods may rotate the crank both halves of a revolution, i. Remove outer connecting rod 9 with cylinder sleeve 8 through top of endbell assembly. Verify behavior between the power piston, power clevis, connecting rod and handle with design modifications using the stirling engine modified assembly. Together with the crank, it forms a simple mechanism that converts reciprocating motion into rotating motion. Slide new outer connecting rod 9 with new cylinder sleeve 8 through top of endbell assembly and assemble onto eccentric pin. Week tail stock and machine vice machine vice and tailstock. Diagram showing a connecting rod that is too short left and too long right. Other machine parts screw jack, pipe vice, plumber block, single tool post. Assembly drawings for the following, using conventions and 7 p a g e parametric drawing practice.
Assembly drawings must provide sufficient information to enable the assembly of a component. Select xz plane and create the sketch as shown use symmetric protrude, depth 33mm 4hareesha n g, dept of ae, dsce 4. Pdf design and analysis of a connecting rod for the 117kw. Cad is mainly used for detailed engineering of 3d models andor 2d drawings of physical components. Prof, dayananda sagar college of engg, bl slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising.
Pdf design of connecting rod of internal combustion engine. The grabcad library offers millions of free cad designs, cad files, and 3d models. The dfma of connecting rod has been done and we have found that the total cost of connecting rod and the total manufacturing time has been considerably reduced. The connecting rod is required to transmit the compressive and tensile forces from the piston, and rotate at both ends. A schematic diagram of the power assembly is shown in the figure above. Machine drawing md pdf notes free download 2020 sw. Dimensions to indicate range of motion or overall size of assembly for reference purposes. Design of cotter joint to connect piston rod and crosshead. Engine parts stuffing boxes, cross heads, eccentrics, petrol engine connecting rod, piston assembly. Connecting rod, analysis of connecting rod, four stroke engine connecting rod, aluminium alloy connecting rod, design and analysis of connecting rod. A connecting rod, also called a con rod, is the part of a piston engine which connects the piston to the crankshaft.
Connecting rod connecting rod force pink and torqueproducing force purple. It has had a significant impact on society, and is considered one of the most significant. This article consists of definition, construction or parts, types, function and material notes and pdf of connecting rod. Together with the crank, the connecting rod converts the reciprocating motion of the piston into the rotation of the crankshaft. The parts piston, connecting rod and crankshaft are designed using theoretical calculations. Parameter value of connecting rod 150 outer diameter of big end 56 inner diameter of big end 48 outer diameter of small end 32 inner diameter of small end 24 table 1. Design and analysis of assembly of piston, connecting rod. A crankshaft is a shaft driven by a crank mechanism, consisting of a series of cranks and crankpins to which the connecting rods of an engine are attached. The internal combustion engine was conceived and developed in the late 1800s. Gib and cotter joint and its design engineers gallery. Design and analysis of connecting rod using forged steel ijser. Connecting rods are split perpendicular to their centerlines at the crank pin end for assembly of the rod onto the crankshaft. If necessary use the wooden dowel and mallet to tap the. To download our notes please visit on my website link given below, dont forget to subscribe my channel or like it for engineering notes.
Piston connecting rod assembly drawing pdf meta search engine. Drawing sheet cad drawing drawing tips line drawing solidworks tutorial mechanical engineering design autocad isometric drawing fashion design portfolio. Piston connecting rod assembly drawing with dimension. Therefore, this work has further dealt with two subjects, first, the connecting rod modeling, force calculations and the second is the finite element analysis and also deals with optimization of. After analysis a comparison is made between existing steel connecting rod viz. Assembly and details machine drawing pdf slideshare. The cover end 2 and the rod end 1 are placed in position and fastened by means of bolts 4 and nuts5, after placing the leather packing 8 inbetween the bearing brasses. When installing notang bearings, they must be centered on the rod and cap bearing bore surfaces. Let p maximum thrust or pull in the connecting rod.
Mech2400 5400 engineering drawings lecture introduction. The most critical sections of connecting rod are determined based on mechanical strength. Other machine parts screw jack, pipe vice, plumber block, single tool. High pressure air forces the power piston down or up, which causes the connecting rod to rotate the crank.
Consider a gib and cotter joint for strap end or big end of a connecting rod as shown in fig. Assembly step 4 4 place connecting rod 10 between panels 8 and 9 as shown below and secure with bolts 43. Design a fourcylinder internal combustion engine project. Manganese steel for the connecting rod and high carbon steel for the crank shaft. Refer to the disassembly and assembly manual, pistons and connecting rods install for the procedure. Static stress analysis of a connecting rod assembly. Pdf design and analysis of connecting tie rod assembly. Connecting rod design in catia file for free download. Finally, the cotter islocked in position by the setscrew 6. If the data panel is not currently shown, click the show data panel icon at the top of the screen. Jun 24, 2018 connecting rod design in catia software editable files free downlaod a connecting rod is a shaft which connects a piston to a crank or crankshaft in a reciprocating engine. The big end of the connecting rod connects to the crankpin to provide a pivot point on the crankshaft connecting rods produces as one piece or twopiece components. The taper on the piston rod is usually taken as 1 in 20.
Introductionhe engines connecting rods are a high volume production, and. The maximum stress of the connecting rod monitored and make sure it is not over the allowable stress. Verify repairs made to the piston and connecting rod assembly. Damage to the bearing cap will occur if it is placed on end. A switch rod is a steel bar that connects lefthand and righthand switch points so that both points move in unison. Assembly of connecting rod, computer aided machine drawing camd of vtu syllabus prepared by hareesha n gowda, asst. The cap and rod are aligned with a closetolerance bushing or bodybound bolts. Design of a gib and cotter joint for strap end of a connecting rod. The effect of the materials used for the assembly and its behavior was required to be studied. Slider crank mechanism for demonstration and experimentation. The load of the connecting rod optimized is comprised of the tensile load of 26. It consists of two halves of the bearing brasses 3, which are placed around the crank pin. Design and analysis of connecting tie rod assembly for automotive application aravindaraj e. Design and analysis of connecting rod using forged steel.
It is a mechanical part able to perform a conversion between reciprocating motion and rotational motion. Crank end guidance the connecting rod and needle roller and cage assembly kzk are guided axially between the crank webs, figure1. The weight of the cast iron piston is preventing the engine to operate at a higher speed. Design and analysis of connecting rod using different. In a reciprocating engine, it translates reciprocating motion of the piston into rotational motion, whereas in a reciprocating. Remove the connecting rod bearing cap with lower bearing shell from the connecting rod. Construction of con rod normally connecting rods are forgemanufactured and the material used is typically mild and medium carbon steel. There are many applications of slider cranks and among the most common are engines. Exercisethe components of a steam engine connecting rod end are shown in fig. Praveen chugh explaining that how to make connecting rod in machine drawing. The connecting rod is subjected to tensile and compressive loads. This shows the assembly drawing of a connecting rod end. The assembly ensures reciprocating motion along a straight line for the piston rod and reciprocating cum oscillatory motion for the connecting rod. Assemble the partsand draw, i half sectional view from.
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