Relevant bibliographies by topics / Wheel Flange Lubrication

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Wheel Flange Lubrication'

Author: Grafiati
Published: 4 June 2021
Last updated: 8 February 2022

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Journal articles on the topic "Wheel Flange Lubrication"

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Petrushin, A. D., O. L. Ignat’Ev, and D. V. Glazunov. "Device for lubrication of open friction units." Vestnik of the Railway Research Institute 76, no. 6 (December 28, 2017): 348–53. http://dx.doi.org/10.21780/2223-9731-2017-76-6-348-353.

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The article considers the problem of increased wear of the wheel-rail pair. An effective solution to this problem is the use of technical means of lubrication, which ensure a reduction in the wear rate of the crests of rolling stock wheels. Based on the survey of modern foreign and domestic lubrication devices and technologies, the main types of flange lubrication systems are identified: onboard (on rolling stock), track stationary, mobile rail-lubricators. The main shortcomings of the existing lubrication systems have been identified: the complexity of the construction of flange lubrication systems, the accuracy of lubricant application on the wheel flange, the lack of control over the serviceability of equipment (onboard and stationary combs), the lack of free paths in the graph for skipping mobile rail-lubricators, especially on single-track line considering the low speed of their operation. These drawbacks lead to the conclusion that at present there are no lubrication technologies that fully meet the conditions of the wheel-rail pair operation. A developed device is proposed that allows accurately applying a lubricant in the form of a solid lubricating element to the wheel flanges of the rolling stock and to provide an automated supply of lubricant in the temperature range of the operation of the rolling stock flanges. Authors described the mechanism of operation of the proposed device for lubricating the wheel flange, which ensures the flow of solid lubricant to the interacting surfaces.
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Glazunov, D. V. "Development of the lubricant for side-mounted rail flange lubricators for traction rolling stock." Vestnik of the Railway Research Institute 78, no. 1 (May 13, 2019): 59–64. http://dx.doi.org/10.21780/2223-9731-2019-78-1-59-64.

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Specificity of operating conditions of the rolling stock defines a number of requirements for lubricants intended for the wheel-rail tribosystem. Lubricants are used for “wheel — rail” contact, the aggregate state of which varies from liquid to solid. When evaluating the lubrication properties of these materials, a significant number of factors must be taken into account, in particular, influence of the environment, method of application, condition of the rail surface. The paper discusses the main operational requirements for lubricants operating in a wheel-rail tribosystem. Temperature ranges of the lubricants used for the “wheel — rail” contact on the railway network of the Russian Federation are given. As a result of the research, it was determined that none of the materials used for lubrication of the wheel-rail system satisfies the operating temperature conditions of the traction rolling stock. To solve this problem a lubricant was developed and tested in an industrial environment at the Rostov State University of Railway Transport. Its lubricant composition allows to significantly expand the temperature range of the lubricant. Complex of experimental studies and method of orthogonal central composite plan of the 2nd order established the optimum values of the thickness of the working shell of the 0.846 mm lubricating rod and the 50.411 % percentage of plastic lubricant, allowing to extend the temperature range of lubricant rods and, in particular, completely eliminate the lubricant flow to achieve a temperature of 126.034 °C. Proposed composition of the lubricant was tested on a freight electric locomotive of the VL80T series, equipped with non-power lubricators, under the conditions of the Bataysk — Likhaya section of the North Caucasus Railway. Intensity of wear of the wheel flanges of the traction rolling stock lubricated by the proposed material, compared with the intensity of wear of the wheel flanges without the use of lubrication systems is reduced by 2 times.
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Descartes, S., A. Saulot, C. Godeau, S. Bondeux, C. Dayot, and Y. Berthier. "Wheel flange/rail gauge corner contact lubrication: Tribological investigations." Wear 271, no. 1-2 (May 2011): 54–61. http://dx.doi.org/10.1016/j.wear.2010.10.019.

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Allen, R. A., W. E. Mimis, R. C. Rownd, and S. P. Singh. "Energy Savings Due to Wheel/Rail Lubrication—Seaboard System Test and Other Investigations." Journal of Engineering for Industry 107, no. 2 (May 1, 1985): 190–96. http://dx.doi.org/10.1115/1.3185984.

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Following work carried out at the Transportation Test Center (TTC), a test was conducted on the Seaboard System Railroad as the first in a series designed to determine the extent of potential energy savings resulting from lubrication of the interface between the flange of a wheel and the gage face of a rail. The test was conducted on a section of track with significant grades and curvature. Energy savings of approximately 15 percent for lubricated track, as compared with dry track, were measured. The test results are described in the paper. Comparisons of predictions from a train performance simulation computer model with the test results, showed that it is probable that energy savings occurred on tangent track sections, as well as on curves. These predicted tangent track savings are of similar magnitude to those measured at TTC. Through the use of analytical models, the effects of various wheel and truck tolerances and clearances on tangent track resistance are discussed, and it is shown how lubrication can produce a dramatic reduction in this resistance.
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HANDA, Kazuyuki, Katsuyoshi IKEUCHI, and Shinichi SAGA. "Development of Improved Wheel Friction Block with Integrated Flange Lubrication and Tread Adhesion Functions." Quarterly Report of RTRI 62, no. 3 (August 1, 2021): 197–200. http://dx.doi.org/10.2219/rtriqr.62.3_197.

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DOI, Hisayo, Takefumi MIYAMOTO, Junichi SUZUMURA, Junichi NAKAHASHI, Hua CHEN, and Takumi BAN. "Change in Surface Condition of Turned Wheel and Effectiveness of Lubrication against Flange Climb Derailment." Quarterly Report of RTRI 53, no. 2 (2012): 70–76. http://dx.doi.org/10.2219/rtriqr.53.70.

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Ashofteh, Roya Sadat, and Farhad Samari. "Effect of Dry Lubrication to Reduce Wheel Flange Wear of Railcars in Railway of Iran (Case Study: Green Plour (GPIG) Passenger Train Coaches)." International Journal of Railway 7, no. 3 (September 30, 2014): 65–70. http://dx.doi.org/10.7782/ijr.2014.7.3.065.

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Chudzikiewicz, Andrzej, Rafał Melnik, and Ignacy Góra. "Wheelsets’ self-lubricating coatings in terms of rail vehicle dynamic properties." WUT Journal of Transportation Engineering 124 (March 1, 2019): 19–30. http://dx.doi.org/10.5604/01.3001.0013.6631.

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Exploitation of railway vehicles, especially in the case of goods transport, on lines with small-radius curves, results in accelerated wear of wheel profiles and rails in curves. This results in increased operating costs and can lead to derailments on such the lines. One of the ways to reduce these negative effects and to improve the wheel-rail interaction in sharp curves is to cover the surface of the wheel flange with coatings of materials with self-lubricating properties. Covering the wheel flange surface with a suitable coating reduces friction coefficient in case of flange-rail head interaction. However, there is a question about the effect of the self-lubricating layer on the safety of the vehicle. The paper presents the results of simulation analysis of dynamic behavior of a two-axial coal wagon with a modeled self-lubricating coating and its effect on wheel wear.
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BĄKOWSKI, Henryk. "THE INFLUENCE OF SOLID LUBRICANTS USED FOR THE LUBRICATION OF WHEEL FLANGES ON RAILWAYS TO REDUCE THE CORROSION OF RAILS." Tribologia 268, no. 4 (August 31, 2016): 21–28. http://dx.doi.org/10.5604/01.3001.0010.6974.

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The paper presents the influence of selected solid lubricants used for the lubrication of wheel flanges of railways on the formation and development of corrosion. Tested solid lubricants consisted primarily of graphite, molybdenum disulphide, and soybean oil additives. Moreover, grease sticks were selected to make it possible to compare and evaluate their suitability in applying the lubrication of railway wheels. The study is based on the European standard that allows the determination of wear in the test samples to determine the advantages in relation to the processes of corrosion.
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Shapovalov, V. V., P. N. Shcherbak, V. M. Bogdanov, E. E. Feyzov, P. V. Kharlamov, and V. A. Feyzova. "Improving the efficiency of the “wheel — rail” friction system." Vestnik of the Railway Research Institute 78, no. 3 (July 28, 2019): 177–82. http://dx.doi.org/10.21780/2223-9731-2019-78-3-177-182.

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Relevance of the topic of increasing the efficiency of the “wheel — rail” friction system is considered. It is shown that the main condition for a significant optimization of the interaction processes in the “wheel — rail” system is the use of scientifically based technologies and technical means for lubrication of a dynamically loaded open friction pair. Basic requirements for the characteristics of lubricants is used in the open “wheel — rail” friction system. Authors named lubricants that meet the stated requirements. The main disadvantages of the remote method of supplying liquid and/or plastic lubricants in the “wheel — rail” system are presented as argument. Examples are given. The article describes technology of contact rota-print rod lubricating system “GRS — RAPS” and its advantages over analogues, as well as the experience of industrial implementation and operation of this technology. Based on the experience of using the “GRS — RAPS” technology in various climatic zones and operating modes, work was carried out on its adaptation and development, in particular, the tribological properties of rod lubricants were improved, the volumes of one-time refueling were increased, the drive of lubricating rods was optimized. All this allows increasing the effectiveness of this technology in 5 – 7 times. Equipment for freight locomotives is provided with metal-plating systems for working surfaces of wheelsets. Total traction capacity of freight locomotives, if all other things being equal, increases by 15 – 20 %, while protecting wheel flanges of locomotives from wear and improves the braking characteristics of the train. A new concept of building a system for the lubrication of the “wheel — rail”contact zone on the basis of a modernized and improved “GRS — RAPS” technology and technology for modifying (metal-plating) working surfaces has been proposed. Potential economic effect from the comprehensive implementation of the proposed technology is estimated taking into account the existing economic conditions.
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Dissertations / Theses on the topic "Wheel Flange Lubrication"

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Frýza, Josef. "Experimentální studium mazání okolku kolejových vozidel." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2013. http://www.nusl.cz/ntk/nusl-230983.

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This diploma thesis deals with the experimental study of the influence of operating conditions on the tribological aspects of the wheel flange and rail gauge contact. The wheel flange contact occurs when the vehicle moves on a curve track and it leads to severe up to catastrophic wear regime. For effective reduction of wear is important to apply a suitable amount of lubricant at appropriate intervals into the contact. The issue in this work comprehensively studies using of three laboratory apparatus and six methods that are theoretically and experimentally compared. Assessed are friction, wear, distribution and film thickness of lubricants for different contact conditions. The resulted amount of lubricant and interval of its application eliminates development of seizure at low consumption of lubricant. The understanding of mechanisms that occur in the wheel-rail contact not only helps to reduce operating costs and improved to energy efficiency of movement of vehicle on a track, but it is the basis for safe, reliable and ecological operation of rail transport.
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Štěnička, Petr. "Stend pro analýzu přístroje k mazání okolků kolejových vozidel." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2010. http://www.nusl.cz/ntk/nusl-229383.

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This work deals with construction of an experimental measuring stand. This stand will be used for research focused on wheel flange lubrication improvement. The construction is based on wheel flange lubrication system Tribotec OK-02. First part treats of rail vehicle dynamics and wheel flange lubrication problematics, second part describes construction itself.
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Nepovím, Radovan. "Konstrukce experimentálního zařízení pro studium mazání okolků kolejových vozidel." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2012. http://www.nusl.cz/ntk/nusl-230331.

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The diploma thesis deals with construction design and practical realisation of experimental apparatus for investigation of wheel flange track vehicle lubrication. Experimental apparatus in full-scale uses optical interferometry for investigation of lubrication behaviour in wheel flange contact. It is an innovative approach which has not been used for such experiments so far. The aim of the following measurement with this apparatus is to determine the minimal amount of ecological lubrication in wheel flange contact under certain conditions when there is no lubrication film interruption. The apparatus enables to measure real rail wear. This work contains the apparatus description for the study of wheel flange lubrication, wheel flange contact specifications, the description of its influence on wear and acoustic emission, and a detailed description of the experimental apparatus.
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Inglot, Agnieszka, and Oskar Franzén. "PREVENTION OF WHEEL WEAR, A CASE STUDY : Developing a functioning wheel profile for rail-mounted transportation trolley." Thesis, Högskolan i Skövde, Institutionen för ingenjörsvetenskap, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:his:diva-17695.

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This bachelor’s degree project aimed to improve the wheel profile of a rail mounted trolley and determine the cause of wheel failure. The proceedings of this project where modelled after an approach for solving wear problems with an emphasis on designing for sustainability. A case study and root cause analysis (RCA) was performed and the flanged wheels were deemed insufficient for the given heavy-haul system. Possible areas of wheel profile improvement were identified and further researched with multiple literature reviews. Throughout the projects duration several limitations were introduced that reduced the concept testing to exclusively theoretical prediction models. Archard’s model was implemented to predict wear and operating time for the proposed material and wheel tread profile concepts. The wheel flange dimensions were chosen based on recommendations from wheel and rail interference handbooks among other sources. The final wheel and rail profile suggestion improved operating time by approximately 300% and wear resistance by 50% compared to its predecessor. This result was achieved by applying the same theoretical prediction model to both current and suggested profiles. The findings of this project are meant to aid SCA among others in similar cases and additionally highlight the value of product improvement from a technological, sociological, and environmental perspective.
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HUANG, CHIN-HSIANG, and 黃慶祥. "Development of the Lubrication System of Wheel Flanges of Railway Vehechle." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/37776859161187428688.

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碩士
中原大學
機械工程研究所
93
Flange lubricator is used for the lubrication of wheel flanges of railway vehicle, in a bid to mitigate the flange wearing and noise. The flange lubricators used in Taipe Metro Electrical Multiple Units is timer-controlled, which means continuous application of lubricant on the flange, and lubricant wasting as well as wheel slide in braking because of the over-lubrication on the wheel is projected. Train stoppage accuracy in station can not be assured, and very often the braking efficiency is impacted due to the wheel spin and slide problem. Train negotiating a curve will worsen the wheel wearing problem, which can be improved if the lubricator is actuated on in curve and wheel over-lubrication and trackway contamination can be avoided. Lubricator control is via an angle controller and modification of the control circuit of the original supplier. While keeping safety and efficiency in mind, alignment characteristics of Taipei Metro is analyzed, and on-site inspection and testing is conducted, resulting in an optimal lubrication effect where the train runs more smoothly and wearing between wheel and track is minimized. This study is attempted to provide sufficient lubrication for the wheels in curve, and in the mean time over-wearing of flange angle and rail outboard rim angle can be avoided, train noise in curve can be reduced, interval of wheel truing and rail grinding can be extended, and train operation safety and lubricant dosing quantity can be enhanced as well. After one year and three months of real revenue service, no fault or incorrect operation had occurred, validating the suitability of this lubricator for Taipei Metro which gives high praise, and effectively maintaining the system safety and lubrication quality.
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Book chapters on the topic "Wheel Flange Lubrication"

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Gaca, Hans, Jan Ruiter, Götz Mehr, and Theo Mang. "Wheel-Flange Lubrication Systems for Railway Vehicles." In Encyclopedia of Lubricants and Lubrication, 2376–85. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-22647-2_133.

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"Wheel-Flange Lubrication." In Encyclopedia of Lubricants and Lubrication, 2376. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-22647-2_100838.

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"Equipment for Wheel-Flange Lubrication." In Encyclopedia of Lubricants and Lubrication, 548. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-22647-2_100225.

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"Centralized Systems for Wheel-Flange Lubrication." In Encyclopedia of Lubricants and Lubrication, 229. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-22647-2_100103.

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"Lubricant Supply for Wheel Flanges." In Encyclopedia of Lubricants and Lubrication, 1054. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-22647-2_100398.

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Conference papers on the topic "Wheel Flange Lubrication"

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Eadie, Donald T., Kevin Oldknow, Yasushi Oka, Ron Hui, Peter Klauser, and Matt Dick. "Effective Friction Control for Optimization of High Speed Rail Operations." In 2010 Joint Rail Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/jrc2010-36010.

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Expected growth of High Speed Rail (HSR) in North America will in many instances involve operation on existing infrastructure, shared with other traffic. This will pose many challenges, not least of which will be wheel and rail wear, and ride quality. This paper addresses how effective friction control can be employed to mitigate these factors and provide an important tool to the designers of new systems. Case studies describe successful use of train mounted solid stick LCF flange lubrication on high speed trains in East Asia and Japan. In each case, higher speed train operation has involved operation on areas of track with greater curvature than usual on dedicated high speed track. Appropriately designed LCF systems provide an inherently very high level of reliability and very low flange wear rates. Use of dry thin film lubricant technology has advantages over use of liquid lubricants (oil and grease) which can experience splash and fling off at high train speeds. Train mounted solid sticks provide greater consistency / reliability and ease of maintenance compared with wayside gauge face lubrication. Complementing practical field experience, modeling studies are presented which show the potential of high performance flange lubrication to allow for additional flexibility in designing wheel profiles for high speed rail. The ideal profile will balance vehicle stability (benefiting from lower conicity) and curving performance (benefiting from higher conicity). In a high speed train with long wheel base and high suspension stiffness operating in areas with significant curvature, finding an appropriate compromise becomes even more challenging than usual. Controlling flange wear at low rates with highly effective solid stick lubrication offers the opportunity to use wheel profiles providing lower effective conicity and therefore better ride quality, without compromising wheel life. This approach will be practical only in a scenario where a very high reliability wheel / rail lubrication system is employed.
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Mast, Timothy, Campbell Neighborgall, Masood Taheri, Carvel Holton, and Mehdi Ahmadian. "Considerations for Sensor Selection for Detecting Top-of-Rail (TOR) Lubrication." In 2020 Joint Rail Conference. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/jrc2020-8028.

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Abstract Continued research into the development of prototype optics based Top-of-Rail (TOR) Lubricity sensors has led to the discovery of benefits and drawbacks of different optical sensing technologies. Sensors of many different types have been investigated for their ability to detect track lubricants including Light Detection and Ranging (LIDAR), laser, and LED emitters. The individual performances of these different methods do not always translate directly when adapted for track lubricity measurements. This paper intends to unpack some of these conclusions and their specific relationships to the application for Top-of-Rail condition based monitoring in a revenue service environment. Railroads use rail lubricants to reduce curving forces that contribute to rail and wheel wear and to increase train efficiency. Top-of-Rail Friction Modifiers (TORFM) and flange grease are applied to the rail by train wheels passing through wayside applicators. TORFM is inherently different from flange grease in that it is an engineered lubricant designed to manage the coefficient of friction to an optimal value for traction and braking forces while reducing lateral forces that contribute to wheel and rail wear. While track lubricants provide a compelling benefit for the railroads, there is a fair amount of ambiguity as to how much should be applied to the track, how far they carry down the track from the point of application, and how long they last beyond the time of application. The empirical methods that are currently available are ad hoc, imprecise, and subject to a large amount of error. It is desired to have sensors that can provide some level of objective assessment of the amount of lubricant available on the rail. Such a sensor can be used to answer many of the tor lubrication questions that currently remain unanswered. A wide array of laboratory tests are carried out in this study to highlight the ability of several different optical sensors to detect track lubricants in a variety of environmental conditions. These tests are designed to determine the feasibility of each sensor and highlight any issues that may arise during field application. The tests serve as a prelude to field testing the sensors in a revenue service environment. The results of the study indicate that precision optical methods are able to detect the presence of TORFM on the rail surface although some optical methods are more robust in their ability to perform in adverse conditions than others.
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Cummings, Scott M., Patricia Schreiber, and Harry M. Tournay. "Parametric Simulation of Rolling Contact Fatigue." In ASME 2008 Rail Transportation Division Fall Technical Conference. ASMEDC, 2008. http://dx.doi.org/10.1115/rtdf2008-74012.

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Simulations of dynamic vehicle performance were used by the Wheel Defect Prevention Research Consortium (WDPRC) to explore which track and vehicle variables affect wheel fatigue life. A NUCARS® model was used to efficiently examine the effects of a multitude of parameters including wheel/rail profiles, wheel/rail lubrication, truck type, curvature, speed, and track geometry. Results from over 1,000 simulations of a loaded 1,272 kN (286,000-pound) hopper car are summarized. Rolling contact fatigue (RCF) is one way that wheels can develop treads defects. Thermal mechanical shelling (TMS) is a subset of wheel shelling in which the heat from tread braking reduces a wheel’s fatigue resistance. RCF and TMS together are estimated to account for approximately half of the total wheel tread damage problem [1]. Other types of tread damage can result from wheel slides. The work described in this paper concerns pure RCF, without regard to temperature effects or wheel slide events. Much work has been conducted in the past decade in an attempt to model the occurrence of RCF on wheels and rails. The two primary methods that have gained popularity are shakedown theory and wear model. The choice of which model to use is somewhat dependent on the type of data available, as each model has advantages and disadvantages. The wear model was selected for use in this analysis because it can account for the effect of wear on the contacting surfaces and is easily applied to simulation data in which the creep and creep force are available. The findings of the NUCARS simulations in relation to the wear model include the following: • Degree of curvature is the single most important factor in determining the amount of RCF damage to wheels; • The use of trucks (hereafter referred to as M-976) that have met the Association of American Railroads’ (AAR) M-976 Specification with properly maintained wheel and rail profiles should produce better wheel RCF life on typical routes than standard trucks; • In most curves, the low-rail wheel of the leading wheelset in each truck is most prone to RCF damage; • While the use of flange lubricators (with or without top of rail (TOR) friction control applied equally to both rails) can be beneficial in some scenarios, it should not be considered a cure-all for wheel RCF problems, and may in fact exacerbate RCF problems for AAR M-976 trucks in some instances; • Avoiding superelevation excess (operating slower than curve design speed) provides RCF benefits for wheels in cars with standard three-piece trucks; • Small track perturbations reduce the overall RCF damage to a wheel negotiating a curve.
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