Results 21 to 30 of about 879 (166)

Contact Mechanism of Rail Grinding with Open-Structured Abrasive Belt Based on Pressure Grinding Plate

open access: yesChinese Journal of Mechanical Engineering, 2023
The current research of abrasive belt grinding rail mainly focuses on the contact mechanism and structural design. Compared with the closed structure abrasive belt grinding, open-structured abrasive belt grinding has excellent performance in dynamic ...
Zhiwei Wu   +3 more
doaj   +1 more source

Research on Rail Grinding Technology of Medium and Low Speed Based on Specific Grinding Energy

open access: yes机车电传动, 2021
In order to improve the efficiency of rail grinding, according to the existing machining and grinding principles of machine tools and the calculation method of high-speed cutting specific grinding energy, the application research of precision control ...
Jie LIU, Tao ZHENG
doaj  

A novel prediction method for rail grinding profile based on an interval segmentation approach and accurate area integral with cubic NURBS

open access: yesAdvances in Mechanical Engineering, 2020
Rail grinding profile prediction in different grinding patterns is important to improve the grinding quality for the rail grinding operation site.
Huan Xie   +4 more
doaj   +1 more source

Modeling and finite element simulation of temperature field in rail abrasive belt grinding

open access: yesJin'gangshi yu moliao moju gongcheng
ObjectivesRail is an important component of rail transit, carrying train loads and guiding vehicle direction in service. Due to worn-outs and shocks during service, rails can cause various defects such as corrugation, spalling and squat, which seriously ...
Haipeng WANG   +3 more
doaj   +3 more sources

Innovative solutions for a new technology of high-speed rail grinding [PDF]

open access: yesE3S Web of Conferences
Ensuring the quality of rail grinding work today is an unsolved problem due to the large influence of the human factor in the design and implementation of rail grinding technological processes.
Ilinykh Andrey   +2 more
doaj   +1 more source

Monitoring and Evaluation of High-Speed Railway Turnout Grinding Effect Based on Field Test and Simulation

open access: yesApplied Sciences, 2023
Turnouts are the weak spot in high-speed rail systems, and it is simple for the phenomenon of the wheel–rail force and the carbody lateral acceleration over-limit to arise when the train passes through, which affects the service life of the rail and the ...
Qian Xiao   +3 more
doaj   +1 more source

New working equipment of PXP 2.0 high-performance railway train [PDF]

open access: yesE3S Web of Conferences
The article presents design and technical solutions for the new working equipment of the high-performance rail grinding train PXP 2.0 for the implementation of high-speed rail grinding technology in railway conditions.
Ilinykh Andrey   +2 more
doaj   +1 more source

Printed Integrated Logic Circuits Based on Chitosan‐Gated Organic Transistors for Future Edible Systems

open access: yesAdvanced Functional Materials, EarlyView.
Edible electronics needs integrated logic circuits for computation and control. This work presents a potentially edible printed chitosan‐gated transistor with a design optimized for integration in circuits. Its implementation in integrated logic gates and circuits operating at low voltage (0.7 V) is demonstrated, as well as the compatibility with an ...
Giulia Coco   +8 more
wiley   +1 more source

Prediction‐Guided Two‐Step Solid‐State Exploration of Unknown Pseudo‐Ternary Oxides

open access: yesAdvanced Intelligent Discovery, EarlyView.
Prediction‐guided selection combined with two‐step solid‐state exploration enables efficient search of unknown pseudo‐ternary oxides. Broad robotic slurry screening followed by manual single‐phase isolation leads to the discovery of a new oxide, Ba5SnV6O22, showing how data‐guided experiments connect unexplored composition regions to new materials ...
Hiroyuki Hayashi
wiley   +1 more source

Combined Effects of Thermal Cycling Aging and Reinforcement Content on the Ball‐On‐Disk Wear of Additively Manufactured Polylactic Acid Composites

open access: yesPolymer Composites, EarlyView.
Thermal Aging and Tribological Tests of Additive Manufactured PLA Composites. ABSTRACT This study focuses on the additive manufacturing of pure polylactic acid (PLA) specimens and milled glass fiber (GF)‐filled PLA composites under thermal cycling aging and wear tests. Wear tracks have been analyzed via 3D optical profiling and SEM imaging.
Sinan Fidan   +5 more
wiley   +1 more source

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