rail grinding analysis

Towards a Better Understanding of the Rail Grinding …

Rail grinding continues to be one of the most effective techniques for extending rail life, improving wheel/rail contact behavior, and reducing the overall cost of track maintenance. While the ability to more effectively implement improved rail grinding programs continues to expand, the understanding of the grinding mechanism itself has not kept pace with the improved …

Wheel Re-Profiling and Rail Grinding Strategies on Wiener Linien …

 · Rail Grinding. Figure 1. Traditionally, the rail head at Wiener Linien was ground as a five-sided polygon (see Figure 1). This approach has some negative impact on wheel wear, especially in the area of the flange root (see the red-ringed area in Figure 2.) While it is not possible to machine rail heads true to their profile, with genuine head ...

Modelling of dynamic contact length in rail grinding ...

2014-8-14 · Cheng C C, Kuo F C, Wang C P, Cheng W N. Vibration analysis of rail grinding using a twin-wheel grinder. Journal of Sound and Vibration, 2011, 330(7): 1382–1392. Article Google Scholar 8. Hempe T, Siefer T. Rail grinding as an integral part of technically and economically efficient track maintenance. Rail Engineering International, 2007, 36(3 ...

Correlation Analysis between Dynamic Wheel-Rail Force …

Further, it can be inferred that the results of dynamic wheel-rail analysis obtained using the measured data, such as the variation of QI due to rail grinding, can be used to predict the peak ...

Paper 438

2014-12-1 · 3.1 Rail roughness measurements and analysis Rail roughness data was collected using RailMeasurement''s Corrugation Analysis Trolley (). The first set of measurements was carried out in June 2008 after standard grinding of the ECRL as outlined by Anderson, D. 2008 (10). The same procedure was used for subsequent measurements

Design method of worn rail grinding profile based on ...

2021-11-5 · Thus, it is necessary to grind the rail in time to improve the wheel-rail relationship. The profile data of the worn rail were measured at different measuring points in a section, and the Frechet distance method was adopted to analyze the data. The representative profile reflecting the overall condition of rail wear in this section is obtained.

Modelling and analysis of rail grinding and lubrication ...

Rail grinding strategies developed in this research have been considered by Swedish National Rail for analysing the effectiveness of their existing policies on grinding intervals. Optimal grinding and lubrication decisions have huge potential for savings in maintenance costs, improving reliability and safety and enhancing rail life.

(PDF) Towards a Better Understanding of the Rail Grinding ...

Towards a Better Understanding of the Rail Grinding Mechanism. Proceedings of the ASME 2013 Rail Transportation Division Fall Technical Conference RTDF2013 October 15-17, 2013, Altoona, Pennsylvania, USA RTDF2013-4705 Towards a Better Understanding of the Rail Grinding Mechanism Shaodan Zhi PhD student: Beijing Jiaotong University, Beijing ...

Carbon Emissions Analysis of Rail Resurfacing Work: A …

Railway maintenance activities included tamping, rail grinding and track renewals. In order to understand the contribution railway maintenance machinery has on overall greenhouse gas emissions, this study presents a method for estimating emissions from rail resurfacing practices.

Towards a Better Understanding of the Rail Grinding ...

Such an analysis tool allows railroads to analyze the performance of different grinding patterns in a real world operating setting, to improve their rail grinding practices and take further advantage of new technologies in rail grinding to better manage the grinding process and improve planning of grinding activities.

A novel prediction method for rail grinding profile based ...

2014-7-1 · The grinding parameters, including the travel speed of the grinding train v, the deflection angle of a grinding stone θ, and the power of the motor driving the grinding stone P, are adjusted based on the designed target profile and the actual wear or damage situation of the rail profile during grinding operation.Every grinding stone has its own grinding parameters (v i, θ i, …

Surface integrity during rail grinding under wet ...

Rail grinding will cause poor surface integrity when the critical grinding temperature is exceeded. To improve the grinding quality and explore the feasibility of grinding operations in rainy days, this study first investigated the surface integrity during rail grinding under wet conditions, including surface roughness, grinding burn, phase transition, residual stress, etc.

Round Guide Rail Systems Market Business, Trade, Revenue, Profit and Loss, Market Players : Venture Grinding…

 · The MarketWatch News Department was not involved in the creation of this content. Nov 29, 2021 (Heraldkeepers) -- The Round Guide Rail Systems Market report provides a detailed analysis of global ...

RAIL TRACK MAINTENANCE PLANNING: AN …

2010-6-9 · an analysis only for rail wear. It is assumed that grinding removes fatigue defects and that the wear at rail/wheel contact area is of deformation wear type (8). The sliding between rail and wheels is considered proportional to the angle of attack of wheel set to the track. ITDM calculates wear on the rail top and the gauge face.

Effects of Grinding Passes and Direction on Material Removal Behaviours in the Rail Grinding …

 · Rail grinding has widely been used in railways and has been involved in many studies in recent decades. Previous research in the field of rail grinding has mainly focused on the design of rail grinding patterns [1,4], the design of grinding rail profiles [5,67,89,10].

Rail Profile Grinding on High-Hardness Premium Rail at the …

U.S. Department Of Transportation Federal Railroad Administration RR08-19 July 2008 Rail Profile Grinding on High-Hardness Premium Rail at the Facility for Accelerated Service Testing SUMMARY Since 2003, Transportation Technology Center, Inc. (TTCI) has

[PDF] Modelling and analysis of rail grinding and lubrication strategies for controlling rolling contact fatigue (RCF) and rail …

Rail grinding strategies developed in this research have been considered by Swedish National Rail for analysing the effectiveness of their existing policies on grinding intervals. Optimal grinding and lubrication decisions have huge potential for savings in maintenance costs, improving reliability and safety and enhancing rail life.

Understanding Why, When and How Rail Grinding is …

2019-4-18 · • Online Analysis – Rail Profile – Grinding Quality • Post Analysis – Production – Key Performance Indicators – Metal Removal 60. Surface Crack Analysis 61 61. 62 Cycle Analysis by MGT • MGT categorized by Subdivision / Prefix

Analysis on the effects of rotational speed of grinding ...

Analysis on the effects of rotational speed of grinding stone on removal behavior of rail material K.K. Gu, Q. Lin, W.J. Wangn, H.Y. Wang, J. Guo, Q.Y. Liu, M.H. Zhu ...

Speno to deliver rail grinding machine to KiwiRail

KiwiRail has signed an agreement with Speno Rail Maintenance Australia (Speno) to supply a 51m specialised rail grinding machine to maintain 2,800km of track in New Zealand. The $30m RR24M-30A rail grinder, which will undertake rail surface smoothing work, is scheduled to arrive in August 2012, while track work is expected to start in September.

Refining Approaches to Corrective and Preventive Rail …

2019-2-26 · Refining Approaches to Corrective and Preventive Rail Grinding. A Loram 8-stone LPC-Series transit grinder at work on the Skybridge, Vancouver, BC. Railroads and transit systems are adopting innovative approaches to …

Experimental and simulation research on residual stress for abrasive belt rail grinding …

 · Applying rail grinding is recognized as the most effective and commonly used track maintenance measure in the world [1,2,3].Through preventive or reparative grinding, track surface diseases can be removed and track surface profile repaired, which can finally ...

Analysis of the Impact Factor of Rail Grinding on Their ...

2021-8-26 · ANALYSIS OF THE IMPACT OF RAIL GRINDING ON THEIR CONDITION Summary of the Doctoral Thesis RTU Press Riga 2021 Viktors Ivanovs was born in 1987, in Daugavpils. He acquired his first diploma in railway profession from Latgale Transport and Telecommunication Technical School in 2008. He obtained a

Rail Grinding Vehicle Market 2021 : Global Demand, Growth, Trend Analysis…

 · Market Analysis and Insights: Global Rail Grinding Vehicle Market In 2020, the global Rail Grinding Vehicle market size was USD million and it is expected to reach USD million by the end of 2027, ...

Refining Approaches to Corrective and Preventive Rail …

2019-2-26 · Refining Approaches to Corrective and Preventive Rail Grinding. A Loram 8-stone LPC-Series transit grinder at work on the Skybridge, Vancouver, …

DESIGN AND DYNAMIC ANALYSIS OF A NEW RAIL …

2019-8-31 · DESIGN OF THE RAIL GRINDING DEVICE 2.1 Analysis on the engineering requirements and constraints The optimal rail profile and wheel tread of the vehicle provide the optimal properties for the good wheel-rail contact condition [19], including the resistance to wear, fatigue and corrugation development, the minimization of noise, the maximization ...

DESIGN AND DYNAMIC ANALYSIS OF A NEW RAIL GRINDING …

Refining Approaches to Corrective and Preventive Rail Grinding

Grinding force modeling and experimental verification of rail grinding …

 · Gu, KK, Lin, Q, Wang, WJ, et al. Analysis on the effects of rotational speed of grinding stone on removal behavior of rail material. Wear 2015 ; 342–343: 52 – 59 . Google Scholar | Crossref

Vibration analysis of rail grinding using a twin-wheel ...

Request PDF | Vibration analysis of rail grinding using a twin-wheel grinder | Grinding is the final process of machining a rail. Conventionally, the rail''s surfaces are ground by a single-wheel ...

[PDF] Modelling and analysis of rail grinding and ...

Rail grinding strategies developed in this research have been considered by Swedish National Rail for analysing the effectiveness of their existing policies on grinding intervals. Optimal grinding and lubrication decisions have huge potential for savings in maintenance costs, improving reliability and safety and enhancing rail life.

Analyzing rail grinding patterns

2013-6-10 · Thus, for a 96 stone grinding train with 48 motors per rail, it is necessary to analyze the full sequence of 48 motors as each motor individually and sequentially removes metal from the rail head. Furthermore, this analysis must …

A laboratory demonstration of rail grinding and analysis ...

2020-9-15 · Post-grinding rail roughness level has a big impact on the performance of the rails. For cases where roughness values were particularly low, flange-climbing derailments occurred [6,7], when a wheel of a rail vehicle climbs up a rail.The names used for relevant parts of wheels and rails and a typical sequence of events leading to a flange climbing derailment is shown in …

Analyzing rail grinding patterns

2013-6-10 · Thus, for a 96 stone grinding train with 48 motors per rail, it is necessary to analyze the full sequence of 48 motors as each motor individually …