A connecting rod basically connects the piston to the crankshaft whilst transmitting power of the combustion from the combustion chamber to rotate the crank. It may be made of carbon steel or any
In many cases, the major reason behind or causing catastrophic engine failure is the occurrence of the connecting-rod failure and sometimes, such a failure can be attributed to the broken (PDF) FAILURE ANALYSIS OF A FRACTURED CONNECTING RODThe connecting rod can fail due to many reasons e.g. fatigue near a physical defect on the rod, from the failure of the rod bolts from a defect, improper tightening, lubrication failure in bearing
The rst stage of the analysis was the visual inspection of the connecting rod and the analysis of the fracture surface. Then, a comprehensive characterization of the con-rod material was (PDF) Fatigue Fracture of Truck Diesel Engine Connecting-RodsThe main objective of this study was to explore quality increasing and cost reduction opportunities for a production of forged aluminium alloy 6082 connecting rods.
The connecting rod bolts torque disassembly was monitored and fractured parts were selected to laboratory fracture analysis. It was verified with fatigue rupture of one of the fourth connecting 12. Connecting Rod Design (A-6200) - Re-Engineering the With the above assumptions, the force attempting to fracture the small end of the connecting rod at TDC due to cceleration at 5000 RPM is 1936 x 2.00 lbs = 3872 lbs tension. This 3872 lb load is acting on the .4646 in*2 cross sectional area. Stress in the connecting
AbstractThe Connecting rod is a high volume production from automobile Side. Connecting rod is subjected to more Stress than other engine components. Failure and damage are also more in connecting rod, So stress analysis in Connecting rod is Very important. In this study, detailed load analysis was performed Buckling Analysis Of Connecting RodBuckling Analysis Of Connecting Rod Nagaraju K L1, Chandan R2 1M-Tech Scholar, Department of Mechanical Engineering, Dr. AIT, Bangalore. 2Assistant Professor Department of Mechanical Engineering, Dr. AIT, Bangalore. -----***-----Abstract - The connecting rod is the transitional part between the piston and the crankshaft. Its essential capacity is
The following presents a practical root cause analysis (RCA) and the respective corrective action made on a large reciprocating gas compressor used for makeup hydrogen (H2) in an oil refinery. The RCA was used to establish a theory behind the failure mechanism, which resulted in a fracture of the third-stage connecting rod after operating for a short period of time. Connecting rod failure in a new reciprocating gas compressorThe following presents a practical root cause analysis (RCA) and the respective corrective action made on a large reciprocating gas compressor used for makeup hydrogen (H2) in an oil refinery. The RCA was used to establish a theory behind the failure mechanism, which resulted in a fracture of the third-stage connecting rod after operating for a short period of time.
Fracture split connecting rod has developed for commercial diesel engines for its advantage in improve engine performance and reduce production costs. Engine up rating is done as the need is arise for more energy output from the same volume of the cylinder. This connecting rod is made of high carbon Development of Fracture Split Steel Connecting RodsFracture split steel connecting rod has been developed for new passenger diesel engines for its advantages in cost saving and better performance. The splitting type of steel con rod is made of high carbon micro-alloyed steel with no additional heat treatment after hot forging. This con rod blank is
Taking Motorcycle Engine as the research object, force analysis of the single cylinder engine connecting rod bending and fracture by engine linkage dynamic model. By calculating the connecting rod compression, combustion chamber total pressure, reciprocating movement of the inertia force and from the rod bend parameters to compare the models currently on the market four types in the Dynamic Load Analysis and Optimization of Connecting Table 5.2 Input for quasi-dynamic FEA of the optimized connecting rod, using load analysis results at crankshaft speed of 5700 rev/min. 132 Table 5.3 Minimum factor of safety for regions I through V, shown in Figure 5.9. 133 Table 5.4 Comparison of the optimized connecting rod based on dynamic load analysis with the existing connecting rod. 134
pumping unit and the three-dimensional wave equation of the sucker rod, and with the oil pump as the boundary condition, the fully coupled mathematical model of the high-slip motor-pumping unit-sucker rod-oil pump was established and calculated using Visual Basic1 V6.0 software. Elastodynamic Analysis of the Sucker Rod Pumping System Aug 27, 2014 · The paper aims to identify the dynamic response of the oil pumping unit system mechanism using the analytical method and the experimental method. By numerical processing of the developed mathematical models for longitudinal and transverse vibrations of the mechanism connecting rod and walking beam, the time variation diagrams of the linear
Failure analysis of condensate pump shaft used in power generation plant was investigated. After 5 years of operation, the pump shaft fabricated from free-machining 416 martensitic stainless steel Failure analysis of a special vehicle engine connecting rodSep 01, 2017 · Griza et al. performed the fracture analysis consists of microstructure analysis and numerical simulation of the fracture mechanics on connecting rod bolts. Son et al.  used the flexible multi-body dynamic analysis in combination with the elasto-hydrodynamic model to calculate the actual force acting on the mating surface of the connecting rod and predicted the possibility of
Jan 01, 2020 · Fu was studied the downhole corrosion behavior of NiW coated carbon steel in spent acid and formation water and girth weld cracking of mechanically lined pipe in the northwest oilfield in 2016 , , Y. Long studied the 13Cr valve cage of tubing pump failure in an oilfield in 2018 , H. Ding analyzed the connecting rod for oil pumping unit in China western oilfield . Production and transportation pipelines and equipment used in oil Fatigue Analysis of Connecting Rod Using Finite 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. Results of the FEA are discussed in Tables 2.3, 2.4, and 2.5 list the crank angles at which FEA was performed at 5700 rev/min, 4000
Oct 01, 2017 · Observation of the fracture surface reveals fatigue fracture morphology, as observed in similarly connecting rods. Abstract In the present work, a failed connecting rod from a motorcycle engine was investigated for the root cause of and possible mechanisms leading to its premature failure. Fracture analysis of a connecting rod for oil pumping unit The connecting rod of the pumping unit is fracture after 95 days' service in China western oilfield. The failure causes were analyzed by macroscopic fracture morphology, fluorescence magnetic particle detector, impact testing machine, direct-reading spectrometer, optical microscope(OM), scanning electron microscopy(SEM), energy dispersive spectrometer(EDS) in this paper.
Oct 01, 2018 · It can be seen that the fracture surface of the C70S6 connecting rod is more flat. In contrast, the fracture surface of 36MnVS4 connecting rod is not smooth, as there are small steps and tear. Compared with 6. Conclusions The grains of the 36MnVS4 refine significantly and significantly improve cutting performance, compared to the C70S6. Oil Analysis Reveals Root Cause of Piston Rod FailuresOil Analysis Reveals Root Cause of Piston Rod Failures Stephen H. Shakeshaft , Stephen H. Shakeshaft Consulting Ltd. For about 20 years, the maintenance on these three machines was not performed on any schedule; it was simply performed whenever a machine broke down.
16 - motor; 17- reducer; 18- shaft pin slider; 19 - short connecting rod Figure 2. Motion analysis of eccentric balance pumping units Figure 3. Schematic diagramof eccentric balance pumping units The main working principle of the eccentric flexible pumping unit is roughly similar to that of the flexible double-stroke pumping unit. Preventing Connecting Rod Failures - Engine Builder MagazineRod Bearing Failure. Another common cause of rod failure is a bearing seizure. Such a failure may or may not be the rods fault. If the oil film between the rod bearing and crank journal goes away for any reason, even for an instant, it can overheat and seize the bearing. Once that happens, something has to
Halliburtons new Q10 pump is designed to provide longer performance and reduce nonproductive time. This is the most versatile pump ever produced by Halliburton. The Q10 pump is designed with these specifications:Mono-block fluid end handles the demanding duty cycle required for shale fracturing. Research on the Fracture Splitting Technology of The research of the expanding broken technology of engine connecting rod (also known as the fracture splitting technology) is based on some known factors which effect on connecting rod splitting to make comprehensive analysis on 36MnVS4, the material of connecting rod which is suitable for the fracture splitting technology, it analyses the effect of each chemical composition in steel on
Sucker-Rod pumping system is the major artificial lift method in number of well applied in oil fields all over the world. To reduce mean time between failures (MTBF) of sucker rod pumping wells and improve its processes, a decision support system was developed based on Failure Root Cause Analysis. SUCKER ROD FAILURE ANALYSIS - Alberta Oil Toolappearance around the circumference of the rod, and fracture occurs where the cross-section is reduced. This rare failure mechanism only occurs when pulling too much load on the rod stringsuch as when attempting to unseat a stuck pump.
Another advantage of this production method is that fracture-splitting connecting rods exhibit 30% higher fatigue strength and 13% less weight than conventional connecting rods, and can be Stress and failure analysis of the connecting rod of Mar 01, 2019 · The fracture of connecting rod (section A in Fig. 1) was next analyzed with the use of optical microscope.Results of this investigations revealed existence of two crack origins (points D and E, Fig. 2).The crack origins are located on the outer surface of the connecting rod.
A connecting rod for an engine includes a connecting rod body having a pin bore formed in one end and a crank arm bore formed in an opposite end. The opposite end has a squirt hole formed therethrough with a first end of the squirt hole facing the crank arm bore and a second end of the squirt hole facing away from the connecting rod at a desired angle for squirting oil. US20050076740A1 - Connecting rod with reverse drilled oil First, a connecting rod body is formed having a pin bore end and a crank arm bore end (step 202). The crank arm bore end is then fractured (step 204) to form a cap portion. The cap portion is then
A process to fracture connecting rods and the like, that are made of high strength materials, comprises of the following mechanisms:(a) Fatigue:fluctuation of stresses in a pre-notched connecting rod due to the use of harmonic excitation will extend the notch tip in the connecting rod and will weaken the predetermined fracture plane by creating micro-cracks, (b) Resonance:resonance occurs Fracture analysis of a connecting rod for oil pumping unit Nov 01, 2019 · The connecting rod of the pumping unit is fracture after 95 days' service in China western oilfield. The failure causes were analyzed by macroscopic fracture morphology, fluorescence magnetic particle detector, impact testing machine, direct-reading spectrometer, optical microscope (OM), scanning electron microscopy (SEM), energy dispersive spectrometer (EDS) in this paper.