Therefore the steel propeller shaft is made in two sections connected by a. Analysis of propeller shaft for composite materials. Find the total angle of twist between the engine and the propeller if the distance is m. The aqualoy process produces a rounder, straighter, stronger shaft. Plan 1 familiarization with automobile 2 iron carbon diagram. This capability lets us manufacture aqualoy propeller shafting with exceptional asforged straightness up to 38. Microstructural examination the microstructure of the casting grades cu1 and cu2 shall be demonstrated by determining the proportion of alpha phase. For successful operation of compac propeller shaft bearings pdf, 115. Propeller boring to insure retention of inherent factory accuracy, order your propeller factorybored whenever pos sible. Material choice between 316 ss and silicon bronze for propeller shaft i have 1 x 10 stock in 316 ss and silicon bronze. A shaft has to be designed to meet the stringent design requirements for automotives.
My question is that i have never machined silicon bronze and i dont know if it is gummy or problematic to thread. Introduction the main purpose of the diving shaft or propeller shaft is to transmit torque from the gear box to differential gear box, it has. The c2 greyhound is a fleet logistics support aircraft. Pdf fe analysis of hollow propeller shaft using steel and. This paper describes the critical material and processing parameters required to. Aqualoy is available in 4 different grades and is stocked in shaft sizes ranging from 34 inches to 8 inches in diameter with lengths up to 3112 feet. We also extended the project by including more composite materials.
Over than 70% of single or twopiece differentials are made of several piece propeller shaft that result in a rather heavy drive shaft composite drive shafts were begun to be used in bulk in automotives since 1988. The drive shaft must also be capable of rotating at the very fast speed required by the vehicle. Propeller shaft is an essential part in control transmission of a car. The aim of this work is to replace the propeller shaft of s.
This rotary motion is used to run the rear wheel of bus. The main function of the propeller shaft is to turn the propeller. Drive shaft assembly, composite materials, finite element analysis. Finite element modeling based on shell element is used in. The main purpose of the diving shaft or propeller shaft. Drive shaft construction can be made of steel, aluminum, or composite material hollow shaft may have cardboard liner to reduce noise has a yoke welded to each end universal joints are used at each end may have balance weights attached. The shaft has the bearings on the ends, and then two sheaves pinned to it, with a center sheave that slides axially, so there is not much torsion being transmitted thought it. Weight reduction can be primarily achieved by the introduction of better material. Material optimization of composite drive shaft assembly in. Nauticalloy 4462 has a chemically controlled composition that ensures enhanced strength and corrosion resistance properties are achieved all nauticalloy produced can be supplied complete with 3rd party inspection, testing and certification. Design and analysis of propeller shaft of an automobile. State whether the stresses in the shaft meet this criterion.
Propeller shaft bearing systems thordon bearings inc. This includes the design of a solid shaft first, and for the same torque transmission, a hollow shaft is designed, which can be a good substitute to the solid shaft, whereby the material of the shaft is reduced to a significant value. Marine propeller shaft marine propeller shafts aqualoy and stainless steel. For this purpose, at least one specimen shall be taken from each heat. It can also be used to drive an alternator to produce electricity. The ultimate shear strength for the propeller shaft material is 270 mnm 2. It m transmitting the motors power to the propeller, as well as any impact should the propeller strike an object. Rules for classification and construction ii materials and. Propeller shaft arrangement in automobiles specifications problem description we opted to do our work on material optimization on propeller shaft of toyota quails which transmits a maximum torque of 154nm at 2400 rpm. Chemical composition, microstructural characterization, fractography, hardness measurements, and finite element simulation were used for the analysis. Stainless steel inboard propeller shafts deep blue yacht supply.
The sample material may not be removed from the propeller by thermal cutting process. The common material for construction is high quality steel of grade sm45c. In automobiles the drive shaft is used for the transmission of motion from the engine to the differential. Experimental investigations on static and dynamic parameters of. A ships propeller shaft transmits mechanical energy from the main engine to the propeller. The propeller shaft is a critical component of any motorized vessel. The shaft fractured at shoulder with evidence of torsionalbending fatigue. Aqualoy stainless shafts are available in a17, a19, and a22.
These materials are sm45c alloy steel as conventional propeller shaft material, thermoplastic polyimide with 30% carbon fiber. The drive shaft also called propeller shaft or prop shaft is a component of the drive train in a vehicle, with the purpose of delivering torque from the transmission to the differential, which then transmits this torque to the wheels in order to move the vehicle. The cost of the material and its processing must be weighed against the need for smaller shaft diameters. If strength considerations turn out to dominate over deflection, then a higher strength material should be tried, allowing the shaft sizes to be reduced until excess deflection becomes an issue. Where the propeller is attached by means of a flange, the thickness of the. Pdf design optimization of automotive propeller shafts. The known material will provide the information such as density of material, modulus of. Propeller shaft is an important component in the power transmission of an automobile.
In this context, a propeller shaft is designed for an automobile for specific power transmission. Design of propeller shaft dp since the propeller shaft is subjected to both bending moment due to propeller weight and twisting moment diameter of propeller shaft dp 25% extra then the designed by pure torsion. Failure analysis and design modification of propeller shaft of bus. Drive shafts are usually made of solid or hollow tube of steel or aluminum. Propeller shaft, composite materials, nx nastran, torsional buckling.
A drive shaft, driveshaft, driving shaft, tailshaft australian english, propeller shaft prop shaft, or cardan shaft after girolamo cardano is a mechanical component for transmitting torque and rotation, usually used to connect other components of a drive train that cannot be connected directly because of distance or the need to allow for relative movement between them. Review analysis of light vehicle propeller shaft semantic scholar. Materials for automobiles lecture no 2 6 august 2011. Propeller shaft tolerance tables aqualoy 17, 19, 22 and 22hs. Pdf in this paper six automotive propeller shafts made of different materials are designed. Pdf design and analysis of drive shaft of an automobile. The length of the drive shaft must also be capable. Shaft and coupling basic interview question and answers strength of material som notes free pdf download coupling design requirement, types, design of sleeve coupling what is drive shaft, driveshaft, driving shaft, propeller shaft hollow shaft vs solid shaft which is better.
Design and optimization of automobile propeller shaft with. The main concept of our project is to reduce the weight of automotive drive shaft with the utilization of composite material. Mar 06, 2018 the drive cardan shaft may be a rod or tube accustomed carry movement force from the engine to the four bladed fans to cardan shaft parts supply spare flow of air to scale back the temperature of the pump and therefore the generator cardan shaft s. Propeller shaft function, types, components and requirement. In propeller shaft, mainly the failure is caused by fatigue or torque so we need material having high torsional and fatigue strength, if are using the propeller shaft in ship or boat it should have high corrosion resistance too. The conventional system uses metallic shaft, has inherent limitations like heavy. Seawater for propeller shaft lubrication in merchant ships pdf, 980. Ship propeller shaft all boating and marine industry. Material optimization of composite drive shaft assembly in comparison with conventional steel drive shaft mr. The e2 hawkeye is the fleets airborne early warning aircraft. Drive shaft, composite materials, torsional strength and buckling. An automotive propeller shaft, or drive shaft, transmits power from the engine to differential gears of rear wheeldriving vehicle.
Material optimization and weight reduction of drive shaft. Longer shafting is available for larger boats through precision rotary forging. The threeblade square pitch propeller is 152 mm 6 in diameter, composed of 316l stainless steel. At the prop end if you have a material with high ductility it will be more likely to bend than break off like your first shaft did. The c hercules, a cargo transport aircraft, is the workhorse of naval aviation.
Failure analysis of metal alloy propeller shafts sciencedirect. Conventional steel drive shafts usually have limitations of weight and low. What are the materials used for following, a propeller shaft. In this project we are analyzing the failure of a propeller shaft for hmv heavy motor vehicle. This paper describes the critical material and processing parameters required to produce an automobile transmission shaft to the exacting standards required of. Aqualoy marine propeller shafts undergo more quality controls than any competing brand. Failure analysis of metal alloys propeller shaft used in marine has been carried out. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Analysis of propeller shaft for composite materials isca. When there is more than one transmission element, the propeller shaft is a kind of shafting line. Anns college of engineering and technology,chirala,prakasam district,andhrapradesh 523187.
Design, failure analysis and optimization of a propeller. Design and analysis of automotive composite propeller shaft using fea. Due to high specific strength and high specific modulus the advanced composite. Narayana1 associate professor,department of mechanical engineering,st.