Instead of being underneath a piece of rolling stock, jacobs bogies are placed between two carriages. Design method for axles with external journals this european standard. We use cookies to improve your experience on our site and to show you relevant advertising. In south africa, the term bogie is often alternatively used to refer to a freight or goods. A bogie may remain normally attached to a railway carriagecar or. After completion of this project we will be able to suggest some changes in the design so as to enhance the strength of the bogie and to optimize the material usage in its production. Bogie suspension design is a complex and difficult. Simple mobility analysis of rocker bogie vehicles have been developed and used for design evaluation in the. Vehicle suspension systems the railway technical website. In addition, the lateral suspension utilizes the suspender way, with longitudinal force transmitted via single pull rods. Jacobs bogies named after wilhelm jakobs, 18581942, a german mechanical railway engineer are a type of rail vehicle bogie commonly found on articulated railcars and tramway vehicles instead of being underneath a piece of rolling stock, jacobs bogies are placed between two carriages.
Bogie for use on railways and wagons with such a bogie us20020089102a1 en 20001222. While railway vehicles initially ran on two or three fixed axles, the bogie, originally called the swivelling bolster, was soon generally accepted. This paper shows one of the examples about dynamic analysis done for checking design parameters of suspension components, i. The new casnub bogie frame design is validated by conducting. Bogie design with reference to elecric railways 307 provided with two axles.
One end of the tumbler is fixed to the framework, while the other end supports the framework via air springs. Considerations on bogie design with particular reference. This project deals with replacing the casted bogie with fabricated bogie by making major changes in design to take the load without failure. T railway technology today 5 edited by kanji wako how. Bogie suspension design is a complex and difficult science which has evolved over many years. These forced vibrations resulting in stress and fatigue of the. Proceedings of the 17th world congress the international federation of automatic control seoul, korea, july 611, 2008 control alternatives for yaw actuated force steered bogies scott simson, colin cole centre for railway engineering, central queensland university abstract. Indian railways is a vital sector for the economic development in our country. Trunk roads and motorways are designed in the uk to the standards contained in design manual for roads and bridges dmrb cd109 highway link design. 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. A rolling component is typically pressed onto an axle and mounted directly on a rail car or locomotive or indirectly on a bogie, called a truck. A railway vehicle having at least two bogies as claimed in any one of the preceding claims and wherein one bogie has at least a forwardinclined wedge element 19a and the other bogie has at least a rearward inclined wedge element 19 and. Weight reduction, modal analysis and testing of an indian.
Bifurcation analysis of railway bogie with yaw damper. The non linearity of the movement is governed by the laws of geometry and friction. Design principles a bogie is a structure underneath a railway vehicle body to which axles and wheels are attached through bearings. Apr 21, 2020 rtdz16 bogie side frame of the metro bogie parts used in rolling stock. Fatigue life assessment methods for railway vehicle bogie.
Pdf design and analysis of bogie truck researchgate. An attempt of design modification is performed by iterative. Bogie configurations types bogies are classified into the various types described below according to their configuration in terms of the number of axles, and the design and structure of the suspension. These stages consist of signing the contract, doing the design, ordering materials and parts, manufacturing and assembly, testing and delivery. Cast steel casnub 22hs bogie is a type of railway bogie. Bogie the bogie structure is designed to support static and fatigue loads for as long as 30 years. Design procedures are described and detailed aspects of design for strength, for fatigue endurance and for deformation performance are discussed.
The aim of the norm is to define the complete design pr ocess of new railway bogies. Special design to cope with tough rail operational conditions low compressor noise level virtually pulsationfree delivery of compressed air ccb ii modular design for aar market a uxili a ries sanding systems pure pneumatic sand dosing principle, no abrasion separation of sand dosing and sand conveying function highest. Rubber silent block injection moulded type tends to centralise the bogie w. Bogie design steps layout calculations layout drawing interface with carbody gauge, wheel base and wheel dia customer proof layout calculations. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users. What is required for maintenance of railway vehicles, an issue of increasing attention, is also considered, and finally, some prospects for the future of railway technology are presented. Railway transportation systems routledge handbooks. A bogie is a chassis or framework carrying wheels attached to the train, serving as a modular subassembly of wheels and axles. Therefore, the mechanical design of the railway bogie can be viewed as the research of a tradeoff between stability and curving requirements, the optimal solution depending on the type of vehicle considered highspeed, conventional rail, freight transport and. Bogie construction and basic design requirements 2.
The hunting movement is an interesting example of nonlinear vibration. Prathibha bharathi5 1,2,3,4 students of mechanical engg, mrce, hyderabad 5 associate prof. A train wheel or rail wheel is a type of wheel specially designed for use on rail tracks. Railway applications wheelsets and bogies method of specifying the structural requirements of bogie frames. While railway vehicles ran initially on two or three fixed axles, the bogie, originally called the swivelling bolster, was soon generally accepted. Investigation of the bogie designs on the market including distribution. To design and control these analytical models of how the rover interacts with its environment are essential. Developing a railway bogie from design to commissioning. Highway and railway geometric design john parkin, university of the west of england chapter 1 highway classes and flows introduction 1. Pdf control alternatives for yaw actuated force steered. Figure 1 from design of railway bogies in compliance with new.
Figure 2 shows the planview halfvehicle design model used to design the controllers and estimators for this study the parameters for the model are representative of a modern highspeed railway vehicle. As a consequence of the standardization process developing i n europe, on april 2005 the new european standard en 749 was issued by the european standardization body cen. Customer responsibility is to provide to the bogie. Railway rolling stock manufacturing consists of a series of stages which begin with the. Integral structural welded bogie for railway wagon ep1057707a1 en 19990604. Indian railway is endeavoring to increase the throughput by reducing the tare load at the same time enhancing the axle loads of freight stock to increase the revenue accruals. Inorder to overcome the limitations of the existing fiat bo gie frame structure, a new bogie frame structure namely new casnub bogie fra me is designed to equip with lhb coach. The weight of the bogie should be less for high speed operations. Although different bogie designs are applied for different purposes, these serve the same function. Generally, the wheel rail contact is represented by a point on the rolling surface the socalled mono contact, as it may be seen in fig.
Jacobs bogies named after wilhelm jakobs, 18581942, a german mechanical railway engineer are a type of rail vehicle bogie commonly found on articulated railcars and tramway vehicles. It includes design procedure s, assessment methods, verificat ion and manufacturing quality requirements. The actual yaw damper model could be conveyed as a damper connected with spring 1 and spring 3 in series, as shown in fig. Railways, lhb linke hofmann busch coaches are used as passenger coaches.
This european standard specifies the method to be followed to achieve a satisfactory design of bogie frames and includes design procedures, assessment methods, verification and manufacturing quality requirements. For a new design of bogie frame destined for a new type of application, all fourvalidation stages shall be used. Railway technical web pages archive page vehicle suspension systems introduction almost all railway vehicles use bogies trucks in us parlance to carry and guide the body along the track. This process gave an on going appreciation but did not allow a full anticipated validation.
Design and analysis of railway casnub bogie using fem. Bogies used on shinkansen will be discussed in more detail in the next article in this series. The tumbler structures are adopted in the vertical suspension system. A wide variety of alstom railway bogie options are available. Trains bogie parts hydraulic shock absorber and railway coupler. Rail vehicles have very different bogies to road vehicles. The bogie details were designed based on a large number of powered bogies for railcars, and diesel electric locomotives. Railway technology systems index 001 002 company stemmanntechnik 003 worldwide presence railway products, quality made in germany 004 metro and suburban systems third rail shoegears 005 systems for third rail shoegears 006 components for third rail shoegears 007 008 suburban railway roofmounted pantographs for suburban railway. Manufacturers of railway material must line up to the normative requirements, so that at the present the realization of a railway bogie involves. In the paper all the main aspects of the norm are described focusing the acceptance process of new railway bogies. It is a short two or three axle unit which is mounted under the vehicle frame so that it is free to move to a certain extent. Alstom railway bogie, alstom railway bogie suppliers and manufacturers at. Soon after the opening of railway services, conical wheel treads, bogies, and. The shapes of bogies as well as the load conditions, such as static load and dynamic load, are complex.
Wheels are cast or forged wrought and are heattreated to have a specific hardness. By this means a long body could be provided, able to negotiate the. Design and dynamic analysis of locomotive wheel axle. The contents in the monograph are mainly from existing. The new casnub bogie frame design is validated by conducting stress analysis using ansys mechanical apdl software. Its traction system is connected to the axle through cv joint shafts. Considerations on bogie design with particular reference to.
Pdf design of railway bogies in compliance with new en. Types of bogies railway vehicles and components trackopedia. A bogie may remain normally attached as on many railroad cars and semitrailers or. The structural vibrations of the railway bogie are primarily exited by the tracks. Design and simulation of heavy haul locomotives and trains. The weight of each carriage is spread across the jacobs bogie.
A bogie in the uk, or a railroad truck, wheel truck, or simply truck in north america, is a structure underneath a railway vehicle wagon, coach or locomotive to which axles and, hence, wheels are attached through bearings. In indian english, bogie may also refer to an entire railway carriage. Pdf study on bogie and suspension system of an electric. Car body and bogie connection modification for track curves.
To provide a smooth ride, the straddletype bogie design features full vertical pneumatic and shock absorbers suspension and a progressive stiffness lateral suspension. Maintenance manual for bg coaches of lhb design, irca part iii and. By this means a long body could be provided, able to negotiate the curves normally found on a railway, with the wheels separated by a limited rigid wheelbase. Almost all railway vehicles use bogies trucks in us parlance to carry and guide the body along the track. Modern locomotive bogies are designed to improve curving. Figure 1 from design of railway bogies in compliance with. More modern, bolsterless bogie designs omit these fea. The design parameters of suspension, bogie assembly may be improved for their better performance. It is in principle a short two or three axle unit which is mounted under the vehicle frame so that it is free to move to a certain extent. Design of a novel, low impact bogie for a freight locomotive zenodo. So far, the design process for a new railway bogie frame has been carried out according to the uic leaflets for onbench tests uic 5154 for trailer bogies, uic 615.
Centre pivot arrangement icf bogie facilitates body bogie joint. Research article fatigue design evaluation of railway bogie with. Therefore, the mechanical design of the railway bogie can be viewed as the research of a tradeoff between stability and curving requirements, the optimal solution depending on the type of vehicle considered highspeed, conventional rail, freight transport and on the service profile specified for the vehicle. Wherein, freight movement is the major activity of revenue generation.
It is also present in the railway world, both in the body of the train and in the bogie. Most of the railway vehicle studies focus on the complete design process of the key structural components of the railway carriage such as bogie frames, axles, wheels and other components, which includes design procedures, assessment. While im still a way off finishing the projects, the bogie sets are a useful standalone design to share seeing as it can be incorporated into many other designs. Some of the significant steps in progress are described here.
Jun 18, 2019 bogie during endurance tests performed on the train. Abstract a bogie is a chassis carrying wheels attached to the train. International open access journal of modern engineering research ijmer study on bogie and suspension system of an electric locomotive wap4 s. Pdf faulttolerant design and evaluation for a railway. The functions of a bogie can, therefore, be described as providing. International journal of ignited minds ijimiinds design. Oct 10, 2017 in this study, a new type of singleaxle bogie of straddletype monorail vehicle is designed. The modal analysis was performed considered that the bogie frame structure is an undamped system, any. A bogie is a structure underneath a railway vehicle body to which axles and wheels are.
Design of railway bogies in compliance with new en 749. This document pdf may be used for research, teaching and private study. Dynamics of railway freight vehicles university of. It is located under the carbody and its function is to drive it along the rails. International journal of ignited minds ijimiinds design and. The principles espoused in this guidance are generally adopted by local highway authorities. Bogies are complex railway vehicle subsystems, containing brake systems, drive systems, wheelset subsystems and bogie frames with a secondary spring system. Giampaolo mancini1, alessandro cera1 railway research. Rail vehicles have very different bogies compared to road vehicles. The guide explains that design of railway bridges in the uk is governed not only by bs 5400 but also by the comprehensive additional requirements of the railway authorities, notably network rail. I wanted to create a bogie set that looked plausible.
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