rail grinding profiles

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  An optimised grinding target profile considering long-term …

  2024315 · The design of rail grinding profiles for turnout has always been a significant subject of research. This paper proposes a rail grinding target profile…

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  Rail Profile Grinder | Melvelle Equipment

  The 157 Rail Profile Grinder is designed to grind the head and sides of the rail. Rail profile grinders come supplied with a proven fast cut grinding wheel for maximum bite into the rail and a high cutting rate. The grinder has wide set rail rollers to achieve the smoothest finish possible. Flange rollers assist in supporting the weight of the ...

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  Optimal profile design for rail grinding based on wheel–rail …

  2019613 · The simulation results show that both the wheel–rail contact relationship and the running stability of high-speed electric multiple units improved after rail grinding.

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  Analytical modeling of grinding process in rail profile …

  201821 · Abstract An analytical introduction to rail grinding was presented in this paper where a newly-designed profile serves as the targeted ground profile to extend the rail's service life. A method for determining eliminated metal due to rail grinding is established as an initial consideration in the process of rail profile correction.

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  An inverse shape design method for railway wheel profiles

  2006928 · Optimisation of a railway vehicle–track system is a complex process. The paper presents a procedure for optimal design of a wheel profile based on geometrical wheel/rail contact characteristics such as the rolling radii difference (RRD). The procedure uses optimality criteria based on an RRD function. The criteria account for stability of …

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  The 15 best rails for skateboarding – A Complete Guide

  2023228 · Skateboarding rails are an essential piece of kit for skateboarders looking to practice tricks and improve their grinding skills. Choosing the right skateboard rail can be a tricky task if you don’t know what you’re looking for, especially with so many different options available in the market. It’s important to consider several factors before getting […]

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  Multi-Objective Optimization of Rail Pre-Grinding Profile in ...

  201882 · Abstract: In order to modify the rail pre-grinding profile smoothly, non-uniform rational B-spline (NURBS) curve with weight factors is used to establish a parameterized model of the profile. A wheel-rail contact stochastic finite element model (FEM) is constructed by the Latin hypercube sampling method and 3D elasto-plastic …

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  Refining Approaches to Corrective and …

  For the critical section of a rail in the frog area with top widths of 20, 35 and 50 mm of the core rail as the research object, the rail profile reconstruction method was developed to analyze the frog area based on the NURBS curve theory. Several types of data points on the rail profile of the key section were set as design variables, and the reduction of the …

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  Multi-Objective Optimization of Rail Pre-Grinding Profile in ...

  201882 · Multi-Objective Optimization of Rail Pre-Grinding Profile in Straight Line for High Speed Railway. Abstract: In order to modify the rail pre-grinding profile smoothly, non-uniform rational B-spline (NURBS) curve with weight factors is used to establish a parameterized model of the profile. A wheel-rail contact stochastic finite element model ...

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