Zobrazeno 1 - 10
of 54
pro vyhledávání: '"Zhihua Sha"'
Publikováno v:
Advances in Mechanical Engineering, Vol 16 (2024)
Disc brake performance is an important guarantee for the safe operation of high-speed trains. Brake pad fastener snap rings may fail during train braking, causing the friction body to fall off, which is a serious threat to the safety of train operati
Externí odkaz:
https://doaj.org/article/aed3390104804bcbacd339286faa6b91
Publikováno v:
Journal of Advanced Mechanical Design, Systems, and Manufacturing, Vol 18, Iss 3, Pp JAMDSM0033-JAMDSM0033 (2024)
The curvature variation regularity of the blade surface is complex and requires a high level of machining accuracy. In order to research the influence of interpolation tolerance on the machining accuracy of blade surface at different positions, the n
Externí odkaz:
https://doaj.org/article/c8531f2308444e679ee02ed3fdc33020
Publikováno v:
Applied Sciences, Vol 14, Iss 12, p 5320 (2024)
Due to the limited availability of fault samples and the expensive nature of marking fault samples in Electric Multiple Unit (EMU) gearbox monitoring data, a study was conducted to simulate the degradation process of key components in the CRH5 gearbo
Externí odkaz:
https://doaj.org/article/689b7543c68042aaa1544f5524d5df3e
Publikováno v:
Journal of Advanced Mechanical Design, Systems, and Manufacturing, Vol 17, Iss 5, Pp JAMDSM0056-JAMDSM0056 (2023)
The milling force of hollow thin-walled welded structural parts varies greatly at each position, and the analytical model was less studied, which affects the prediction accuracy of milling force. In order to construct an analytical model of the milli
Externí odkaz:
https://doaj.org/article/4e4ea0b09a4c4e3d80d0becdc85b4b87
Publikováno v:
Applied Sciences, Vol 13, Iss 22, p 12361 (2023)
This paper examines the effects of thermo-solid coupling and the influence of braking parameter changes on the vibration characteristics of high-speed train disc brakes. A multi-flexible body dynamics model of high-speed train disc brakes considering
Externí odkaz:
https://doaj.org/article/eb06ecee293d40eba95d7064c881c946
Autor:
Ziguang Wang, Feng Yan, Yu Zhang, Jiaheng Ma, Ping Zhou, Chengwei Kang, Zhihua Sha, Shengfang Zhang
Publikováno v:
Frontiers in Materials, Vol 10 (2023)
The deformation characteristics of GaSb are investigated by employing nano-scratch tests to understand the material removal mechanism during ultra-precision grinding. The nano-scratches are obtained by a cube-corner tip under the two linear normal lo
Externí odkaz:
https://doaj.org/article/6c179c9336414f93860a00d4a8403b72
Publikováno v:
Applied Sciences, Vol 13, Iss 16, p 9247 (2023)
The phenomenon of coal cake collapse is often caused by the unstable operation of the elastic cam in a large coal cake tamper. Aiming at this problem, the mechanical characteristics of the composite rubber elements during cam rotation are studied. A
Externí odkaz:
https://doaj.org/article/8309c0a524d041efa251550b174e954c
Publikováno v:
Machines, Vol 11, Iss 6, p 660 (2023)
A tamping machine is the key equipment of large coking coal cake forming in the steelmaking industry, where the loose coal is compacted into a coal cake by the reciprocating movement of its tamping hammer. In the long-term friction process, the third
Externí odkaz:
https://doaj.org/article/88e494046c674dfb8f9edbdf53946e38
Publikováno v:
Advances in Mechanical Engineering, Vol 14 (2022)
For the friction and wear of the braking surface of the disc brake, the mechanism of friction contact deformation of rough surface is analyzed. Considering elastoplastic contact mechanics of the friction surfaces, combined with Archard wear calculati
Externí odkaz:
https://doaj.org/article/39187b94dfe843f98339a6080bc40275
Publikováno v:
Advances in Mechanical Engineering, Vol 14 (2022)
The brake disc plays a crucial role to keep the stable braking of a high-speed and heavy-duty disc brake. There is always high temperature, brake vibration, and even serious deformation under braking pressure and frictional resistance. To improve bra
Externí odkaz:
https://doaj.org/article/66c62684f92241a78ade3fad87173f2b