Zobrazeno 1 - 10
of 3 034
pro vyhledávání: '"ball screw"'
Publikováno v:
IEEE Access, Vol 12, Pp 178022-178037 (2024)
Ball screw drives (BSDs) play a crucial role in various industrial applications, particularly in CNC machines. However, they are vulnerable to external variables potentially leading to premature wear, degradation, and failure. Traditional fault diagn
Externí odkaz:
https://doaj.org/article/20ff16387b1f4da5b2eb86a0711e44f7
Publikováno v:
Actuators, Vol 13, Iss 10, p 423 (2024)
Aiming at the problems of low trajectory tracking accuracy, serious chattering and poor robust performance of ball screw feed systems in traditional sliding mode control (SMC), in this paper, a global nonsingular fast terminal sliding mode control (G
Externí odkaz:
https://doaj.org/article/f42d99b821eb4d3a8700ea474cb67cd7
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 90, Iss 932, Pp 23-00275-23-00275 (2024)
In recent years, the demand for lighter and more compact equipment has been increasing due to reduce product manufacturing time and the viewpoint of environmental load. Therefore, further lightweighting is demanded with the ball screw. The ball screw
Externí odkaz:
https://doaj.org/article/422f1baaf1374ab29079753b6dfb64ce
Publikováno v:
Fractal and Fractional, Vol 8, Iss 10, p 556 (2024)
Considering that the degradation of ball screw grease involves fractal characteristics, which exhibit long-term dependency and autocorrelation, a multivariate accelerated degradation modeling and reliability assessment method based on the fractional
Externí odkaz:
https://doaj.org/article/e6fc0c4252154fc7a7c18ad947cfe5f6
Autor:
Hanwen Yu, Xuecheng Luan, Guiyuan Zheng, Guangchao Hao, Yan Liu, Hongyu Xing, Yandong Liu, Xiaokui Fu, Zhi Liu
Publikováno v:
Applied Sciences, Vol 14, Iss 13, p 5790 (2024)
This study designs a differential dual-drive micro-feed mechanism, superposing the two “macro feed motions” (“motor drive screw” and “motor drive nut”) using the same transmission of “the nut rotary ball screw pair” structure. These t
Externí odkaz:
https://doaj.org/article/0f97f5dbdeac45cea9e660f20a0eda69
Publikováno v:
Jixie chuandong, Vol 47, Pp 161-167 (2023)
Aiming at the current problem of low grinding efficiency of domestic ball screw grinding, a new type of ball screw grinding device is proposed. On this basis, a four-factor three-level quadrature test is designed for the four main process parameters
Externí odkaz:
https://doaj.org/article/9a40791109194ebbbf1837269fa28a1d
Autor:
Cheng-Liang Tsai, Min-Chun Pan
Publikováno v:
Measurement: Sensors, Vol 31, Iss , Pp 101027- (2024)
The ball screw feed system has been an important part of precision machinery and machine tools. Its preload degradation affects machining accuracy and the issue should be first coped with per manufacturers’ suggestion. The study aims to apply the a
Externí odkaz:
https://doaj.org/article/7a216f3b18f744f4840a17d07ba630e3
Autor:
Junjian Zheng, Xiaolei Deng, Junshou Yang, Wanjun Zhang, Xiaoliang Lin, Shaofei Jiang, Xinhua Yao, Hongchen Shen
Publikováno v:
Bulletin of the Polish Academy of Sciences: Technical Sciences, Vol 72, Iss 2 (2024)
The machining accuracy of CNC machine tools is significantly affected by the thermal deformation of the feed system. The ball screw feed system is extensively used as a transmission component in precise CNC machine tools, responsible for converting r
Externí odkaz:
https://doaj.org/article/6c9a519f499c49d8b0edba788f789a8c
Publikováno v:
Actuators, Vol 13, Iss 6, p 224 (2024)
The drive at the center of gravity (DCG) concept-based twin-ball-screw drive mechanism (TBSDM) is vital in automated factories for its robustness and reliability. However, changes in the worktable mass or position result in changes in the center of g
Externí odkaz:
https://doaj.org/article/5523fab00b0048c185d352afe846ab3f
Publikováno v:
Actuators, Vol 13, Iss 4, p 135 (2024)
The electro-mechanical brake is a new advancement in railway train braking. Ball-screws are important components of electro-mechanical braking units (EMBUs), and their wear can cause EMBUs to degrade in performance or even fail to function. In this p
Externí odkaz:
https://doaj.org/article/1ffa98962fd245339fe60a5826acc241