A miniature milling spindle with Active Magnetic Bearings

被引：59

作者：

Kimman, M. H. ^{[1
]}

Langen, H. H. ^{[1
]}

Schmidt, R. H. Munnig ^{[1
]}

机构：

[1] Delft Univ Technol, NL-2628 CD Delft, Netherlands

来源：

MECHATRONICS | 2010年 / 20卷 / 02期

关键词：

Active Magnetic Bearings; Micro milling; High speed rotation;

D O I：

10.1016/j.mechatronics.2009.11.010

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

This paper describes the design and realization of a miniature milling spindle with Active Magnetic Bearings (AMBs) Permanent magnet biased, reluctance type actuators position the rotor in five Degrees of Freedom (DOF). leaving the rotation unconstrained. A rotordynamic model was developed to expedite the controller design, and enabled modeling of the spindle's performance under the influence of cutting forces. A modal controller, including a negative stiffness compensation scheme, was implemented. A cross-feedback controller partly compensates the gyroscopic effect. The spindle with these controllers has a maximum speed of 150,000 rpm (C) 2009 Elsevier Ltd All rights reserved

引用

页码：224 / 235

页数：12

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