National Changhua University of Education Institutional Repository : Item 987654321/10834

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NCUEIR > College of Engineering > Department and Graduate Institute of Electronic Engineering > Periodical Articles > Item 987654321/10834

Please use this identifier to cite or link to this item: http://ir.ncue.edu.tw/ir/handle/987654321/10834

Title:	An Improving Development of the Harmonics Losses and Bearing Load for Motorized High Speed Spindle
Authors:	Chen, Shih Chang;Juan, Yu-Lin;Tang, Chia-Hui;Chang, Ching-Feng;Lin, Chao-Shui;Chen, Tsair-Rong
Contributors:	電機工程學系
Keywords:	Centrifugal force;Inverter output filter;Pulse width modulated drive system
Date:	2011-09
Issue Date:	2012-06-04T07:47:13Z
Publisher:	ICIC Express Letters Office
Abstract:	Angular contact bearings are the most popular type of bearings used in the motorized high speed spindle. An initial preload and operating-induced load control are managed to ensure its rigidity, but the centrifugal force and temperature will rise with the rapid increase of spindle speed. Although the centrifugal force and thermo induced bearings load are applied to the spindle assembly, this paper aims to study innovative structure solution of spindle and develop a new type of super precision bearings which will ensure the lifetime and high performance of spindle. In this paper, an improved inverter output filter is designed for pulse width modulated (PWM) drive system,. The proposed filter is shown to effectively reduce the power losses in the spindle. This usage of the filter can improve lifetime of bearings and gain a higher output power of the spindle. We are convinced that the filter configuration will have an excellent contribution to PWM drive system.
Relation:	ICIC Express Letters, 5(9B): 3353-3360
Appears in Collections:	[Department and Graduate Institute of Electronic Engineering] Periodical Articles

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