Results 21 to 30 of about 920 (198)
Advances in Mechanical Engineering, 2020 Ceramic bearings have a good dynamic output performance under an ultra-high, ultra-low temperature due to their small deformation property. Based on the Harris and Palmgren empirical equation, this article establishes the thermal transfer model of a ...
Ke Zhang +4 more
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Design and thermal characteristic analysis of motorized spindle cooling system
Advances in Mechanical Engineering, 2021 The thermal deformation of high-speed motorized spindle will affect its reliability, so fully considering its thermal characteristics is the premise of optimal design.
Yuan Zhang +3 more
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MATEC Web of Conferences, 2016 High-speed motorized spindle is a multi-variable, non-linear and strong coupling system. The rotor static eccentricity is inevitable because of machining or assembling error.
Wu Zaixin +3 more
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Case Studies in Thermal Engineering, 2023 The thermal error compensation process of high-speed motorized spindle needs to establish an effective prediction model. In this study, firstly, the thermal characteristics of a motorized spindle are tested, and the data at different speeds are obtained.
Ye Dai +5 more
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Measurement Research of Motorized Spindle Dynamic Stiffness under High Speed Rotating
Shock and Vibration, 2015 High speed motorized spindle has become a key functional unit of high speed machine tools and effectively promotes the development of machine tool technology.
Xiaopeng Wang, Yuzhu Guo, Tianning Chen
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Thermal error modeling of electrical spindle based on optimized ELM with marine predator algorithm
Case Studies in Thermal Engineering, 2022 High-speed electric spindle is an important part of computer numerical control (CNC) machining equipment, and the thermal displacement generated by the electric spindle during operation affects the electric spindle machining stability and machining ...
Zhaolong Li +4 more
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Thermal Modeling Challenges of High-Speed Motorized Spindles
, 2023 AbstractThis paper investigates the thermal modeling challenges of high-speed motorized spindles up to 40,000 rpm. The thermal expansion and deflection of motorized spindles are critical determinants for the resulting tool center point displacement and the achievable machining accuracy of machine tools.
Lukas Koch +3 more
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A Corrected Adaptive Balancing Approach of Motorized Spindle Considering Air Gap Unbalance
Applied Sciences, 2020 Motorized spindles widely used for high-speed precision machine tools are very sensitive to the mass unbalance of rotors; thus, their balancing problem is always a research hotspot.
Hongwei Fan +5 more
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Nonlinear Dynamic Analysis and Chaos Prediction of Grinding Motorized Spindle System
Shock and Vibration, 2019 The paper determines the impact factors of dynamics of a motorized spindle rotor system due to high speed: centrifugal force and bearing stiffness softening.
Weitao Jia +4 more
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Measurement Science Review, 2019 The spindle vibrations of the high-speed grinding motorized spindle largely determine the machining quality and precision. In order to accurately predict the spindle vibrations of the PMSM high-speed grinding motorized spindle, the vibration causes are ...
Cheng Mingke, Gao Feng, Li Yan
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