scholarly journals Improvement in the railway friction brake design

2020 ◽  
Vol 51 ◽  
pp. 23-26
Author(s):  
Y. Osenin ◽  
Y. Krivosheya ◽  
L. Antoshkina ◽  
A. Chesnokov ◽  
V. Bugaenko
Keyword(s):  
1889 ◽  
Vol 95 (1889) ◽  
pp. 29-70
Author(s):  
W W BEAUMONT ◽  
A BARR ◽  
E HOPKINSON ◽  
R E FROUDE ◽  
P W WILLANS ◽  
...  
Keyword(s):  

2018 ◽  
Vol 13 (4) ◽  
pp. 188-194 ◽  
Author(s):  
Ilham Taufik Maulana ◽  
Eko Surojo ◽  
Nurul Muhayat ◽  
Wijang Wisnu Raharjo
Keyword(s):  

2021 ◽  
Vol 13 (3) ◽  
pp. 28-37
Author(s):  
M.Y. Javadov ◽  
V.S. Skrypnyk ◽  
B.V. Dolishniy ◽  
N.A. Volchenko ◽  
S.V. Nikiptchuk ◽  
...  
Keyword(s):  

Author(s):  
Ruby Romsland ◽  
Kenneth J. McDonald

Abstract The presence of corrosion on or within structures is of major concern as corrosion reduces the integrity of the materials which could potentially result in large-scale failures of structures and equipment.1 The United States Navy is an organization that actively works to prevent large equipment failure due to corrosion. One such problem is the corrosion of the friction brake assembly on the MK50 Weapon Station, which has recently been experiencing corrosion between the friction brake and its set screw preventing it from operating correctly. The friction brake was known to be stainless steel; however, the set screw was of unknown composition. Through elemental analysis it was determined that the MK50 Weapons Station friction brake set screw was similar in composition to commonly available black oxide coated steel screws. Electrochemical polarization measurements of the friction brake assembly components revealed that the set screw and the friction brake were electrochemically dissimilar metals which resulted in the galvanic corrosion of the assembly when out at sea. The electrochemical polarization measurements of a stainless steel screw showed a corrosion potential similar to that of the friction brake; therefore, replacing the current set screw with a stainless steel screw would decrease the galvanic potential difference between the set screw and the friction brake. This proposed solution is expected to slow or prevent further corrosion of the MK50 Weapon Station ensuring the combat readiness of the equipment.


2019 ◽  
Vol 10 (1) ◽  
pp. 9
Author(s):  
Kuiyang Wang ◽  
Ren He ◽  
Jinhua Tang ◽  
Ruochen Liu

In this article, a novel electromagnetic-frictional integrated brake is proposed, and its structure and working principle are introduced. The geometric model and mathematical models of integrated brake were established, and the multi-field coupling mechanism of integrated brake were analyzed. With BYD Qin as a reference vehicle, the boundary conditions of thermal load and force load of integrated brake were determined according to its structure and performance parameters. Based on the COMSOL software, numerical coupling calculations of electric, magnetic, thermal, and solid fields of integrated brake were carried out respectively in the emergency and downhill braking at a constant speed. The axial, circumferential, and radial temperature distributions of integrated brake disc were analyzed respectively, and they were compared with those of the traditional friction brake disc. The analysis results show that the proposed integrated brake can effectively improve the heat fading resistance of automotive brake during emergency and continuous braking. Under the two braking conditions, the temperature rise of friction brake was faster than that of an electromagnetic brake, and the effect of the electromagnetic brake on temperature rise of integrated brake was small.


1989 ◽  
Vol 111 (1) ◽  
pp. 2-7
Author(s):  
Z. Barecki ◽  
S. F. Scieszka

In this paper the effect on braking torque of the geometry of contact between brake shoes and drums is presented. It is shown that elastic deformation as well as errors in dimensional and assembly errors substantially affect the value of the braking torque. Investigations of pressure distribution on friction lining, brake factor, brake element deformation, and wear of linings carried out on mine winder installations are presented.


2020 ◽  
pp. 26-30
Author(s):  
Yuriy Vladimirovich Krivosheya ◽  
◽  
Tatyana Leonidovna Ripol-Saragosi ◽  

The paper gives an assessment of the design and energy reserves for improving the operational properties of the railway friction brake under the existing mass-dimensional restrictions and the growth of braking energy. The criterion for assessing the operational properties of the friction brake is the friction coefficient and contact energy load. The results of experimental studies of the relationship between the frictional characteristics of the disc brake and the affecting structural and loadspeed factors are presented. Design options for railway friction brakes are proposed that provide improved performance. A comparative analytical assessment of the contact energy load of new friction brake and classic disc brake options has been performed.


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