A thermal model for high speed motorized spindles

被引：330
作者：
Bossmanns, B [1 ]
Tu, JF [1 ]
机构：
[1] Purdue Univ, Sch Ind Engn, W Lafayette, IN 47907 USA
来源：
INTERNATIONAL JOURNAL OF MACHINE TOOLS & MANUFACTURE | 1999年 / 39卷 / 09期
基金：
美国国家科学基金会;
关键词：
D O I：
10.1016/S0890-6955(99)00005-X
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Lack of a more complete understanding of the system characteristics, particularly thermal effects, severely limits the reliability of high speed spindles to support manufacturing. High speed spindles are notorious for their sudden catastrophic failures without alarming signs at high speeds due to thermal problems. In this paper, a finite difference thermal model is developed to characterize the power distribution of a high speed motorized spindle, in particular the characterization of heat transfer and heat sinks. Without loss of generality, this model is built upon and verified by a custom-built high performance motorized milling spindle of 32 KW and maximum speed of 25 000 rpm (1.5 million DN). (C) 1999 Elsevier Science Ltd. All rights reserved.
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收藏
页码：1345 / 1366
页数：22
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