A miniature milling spindle with Active Magnetic Bearings

被引：58
|
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
收藏
页码：224 / 235
页数：12
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