Results 161 to 170 of about 920 (198)
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Review on the Dynamics of High-Speed Motorized Spindle System
Advanced Materials Research, 2013The research on the dynamics modeling in theory and experiment for the rolling bearing-motorized spindle system including bearing modeling and spindle-bearing system modeling is reviewed. The main factors influencing the motorized spindle system dynamics are analyzed combined with the pratical engineering, which include thermal characteristics, high ...
Xiao Ming Dai +2 more
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Research on the Cooling System of High-Speed Motorized Spindle
Applied Mechanics and Materials, 2014In order to control effectively the temperature of the motorized spindle, based on thermodynamics, heat transfer theory and fluid dynamics control theory, the model of motorized spindle with cooling system is established and simulated. Based on the idea of orthogonal experiment and simulation experiment, the comprehensive tests are built, and the ...
Chun Li Lei, Zhi Yuan Rui, Te Li, Qin Wu
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Rigidity of high-speed motor spindles
Werkstatt und Betrieb, 1999Rigidity of high-speed motor spindles. The most relevant factors for the static operational rigidity of motor spindles were analysed, and the finite element method was used for calculating the effects of configuration, type, prestress and heat-up of bearings as well as of the temperature range of the spindle nose on the operational rigidity of motor ...
Goja, Ċ½eljko +2 more
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Design of the High-Speed-Spindle Motor
2012As explained in Sects. 1.2 and 1.3 of the thesis Introduction, the PhD project started within the Dutch Microfactory framework with the goal of development of a built-in electrical spindle drive which would facilitate high rotational speed of the spindle and accurate micro-milling.
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The High Speed Influence on Inherent Frequency of Motorized Spindle
Advanced Materials Research, 2013The paper determines the impact factors of high-speed spindle system including the centrifugal force, gyroscopic moments and the bearing stiffness softening, and builds the general spindle-bearing FEM considering high speeds. Taking a motorized spindle as example, the effect of centrifugal force, gyroscopic effect, the radial stiffness and the coupling
Bo Wang, Kun Peng Xu, Bang Chuan Wen
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Thermal Deformation Analysis of High-Speed Motorized Spindle
2012This paper analyzes the influence of temperature rising on the spindle accuracy in the CNC high-speed spindle unit. The analysis through the heat source of the spindle, the spindle unit is modeled of by Pro/E software to study the influence of temperature on the spindle axis and spindle deformation distribution.
Shenbo Yu, Feng yi Xiao
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High-Speed Thin Ultrasonic Spindle Motor and Its Application
Japanese Journal of Applied Physics, 2004In this paper, we report an ultrasonic motor capable of high-velocity revolution applicable for long continuous high operation as a microfan. This study is a response to the new challenge of developing a new field of applications for an ultrasonic motor.
Manabu Aoyagi +3 more
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Centrifugal force induced dynamics of a motorized high-speed spindle
The International Journal of Advanced Manufacturing Technology, 2005Trend of the high-speed and high efficiency machining has pushed the continuous demand of higher spindle speed and power for the machining center application. Because the extremely high speed produces significant centrifugal force, it creates a need to predict the spindle dynamical characteristics at dynamic states.
Jenq-Shyong Chen, Yii-Wen Hwang
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Bearing Life in High-Speed Motorized Spindles with an HSK Interface
Russian Engineering Research, 2019The bearing life in drilling, milling, and boring is analyzed on the basis of a newly derived mathematical apparatus.
V. V. Bushuev +3 more
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High-Speed Synchronous Reluctance Motor for Electric-Spindle Application
2020 International Conference on Electrical Machines (ICEM), 2020In last years, high speed integral motor spindles are obtaining attentions due to their compact frame. The actual choice for raw plastic and wood materials processing are the induction motor and the interior permanent magnet machine. In particular, permanent magnet motors are suitable for wide constant power-speed range; they show high power density ...
Emanuel Castagnaro, Nicola Bianchi
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