Zobrazeno 1 - 10
of 759
pro vyhledávání: '"feed system"'
Publikováno v:
Физика волновых процессов и радиотехнические системы, Vol 27, Iss 3, Pp 71-80 (2024)
Background. The need to create, space communication stations based on mobile carriers, for example, on ships, requires the use of multi-band reflector antennas irradiating systems that ensure the combination of not only channels for receiving and tra
Externí odkaz:
https://doaj.org/article/96ec1b53b8d94e2097a6a8bba6e87bcd
Autor:
Sergey I. Boychuk
Publikováno v:
Физика волновых процессов и радиотехнические системы, Vol 27, Iss 1, Pp 61-70 (2024)
Background. The need to create antenna-waveguide paths for multi-band reflector antennas of satellite communication systems requires the use of various methods for selecting the structure, determining and optimizing the parameters of antenna-waveguid
Externí odkaz:
https://doaj.org/article/0bdc81c8509f406d9a23b9499141d332
Autor:
Jing Tian, Enyu Shi, Chengzhi Fang, Yushen Chen, Xiaoliang Lin, Xiaolei Deng, Xinhua Yao, Hongyao Shen
Publikováno v:
IEEE Access, Vol 12, Pp 49904-49915 (2024)
The feed system is an important part of CNC machine tools, and its condition monitoring is mostly based on vibration signals measured by sensors. To remove the noise mixed in the signal, a joint denoising method based on variational mode decompositio
Externí odkaz:
https://doaj.org/article/7632adc8d8f44bba85633054a75d4d74
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Publikováno v:
Dynamics, Vol 3, Iss 4, Pp 711-736 (2023)
A continuous iron ore pellet feed system for a direct reduction ironmaking furnace is reportedly jamming in a hopper above the furnace, where a counterflowing gas seals off the furnace flue gas. The conditions that result in jamming are not well unde
Externí odkaz:
https://doaj.org/article/38d974c568de4c3da6a2a49cd3b4c0d2
Autor:
LU Feifei
Publikováno v:
Meikuang Anquan, Vol 54, Iss 8, Pp 209-215 (2023)
The balance valve has the advantages of good load holding function and pipeline burst or serious leakage to prevent the uncontrolled occurrence of moving load. However, when the rescue truck mounted drilling rig is used for the lifting system, due to
Externí odkaz:
https://doaj.org/article/3f018d13061344ceae9fa2dbb65eccc5
Autor:
Shao-Hsien Chen, Meng-Ying Lin
Publikováno v:
Heliyon, Vol 10, Iss 4, Pp e26124- (2024)
Recently, the lubricating devices for the feed systems of computer numerical control (CNC) machine tools supply oil periodically because programmable logic controller and macro are adopted for designing oil supply for the present CNC machine tools, c
Externí odkaz:
https://doaj.org/article/308c8d7aac3744748f13ca447c5fd4f0
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:
Machines, Vol 12, Iss 5, p 305 (2024)
To solve the problem of fault diagnosis for the key components of the CNC machine feed system under the condition of variable speed conditions, an intelligent fault diagnosis method based on multi-domain feature extraction and an ensemble learning mo
Externí odkaz:
https://doaj.org/article/47bfddab28684f15bcd251b8244de111
Publikováno v:
Applied Sciences, Vol 14, Iss 8, p 3170 (2024)
(1) Objectives: This article presents a dual linear-motor differential drive micro-feed servo system, mainly through the optimization design of the transmission mechanism. Owing to the differential synthesis of the micro feed from the upper and under
Externí odkaz:
https://doaj.org/article/50250b1e8c304524b4fc98da290a2eb0