Part Design of Giant Magnetostrictive Actuator

被引：5
|
作者：
Sun, Zhonglei [1 ]
Zhao, Meiying [1 ]
Yin, Zidong [2 ]
机构：
[1] NorthWest Polytech Univ, Sch Aeronaut, Xian 710072, Peoples R China
[2] NorthWest Polytech Univ, Minist Educ, Key Lab Contemporary Design & Integrated Mfg Tech, Xian 710072, Peoples R China
来源：
2011 INTERNATIONAL CONFERENCE ON PHYSICS SCIENCE AND TECHNOLOGY (ICPST) | 2011年 / 22卷
关键词：
giant magnetostrictive actuator; flexure hinge; rotation stiffness; strength; fatigue; disc spring;
D O I：
10.1016/j.phpro.2011.11.012
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The key parts of giant magnetostrictive actuator, flexure hinge and pre-stress disc spring, were designed and analyzed. Rotation stiffness and strength characteristics of flexure hinge were analyzed, calculation equations for rotation stiffness and strength were established as well. Fatigue characteristic was also analyzed as flexure hinge usually worked under high frequency situation. In order to improve output efficiency of the giant magnetostrictive actuator and reduce energy loss, an ideal spring force-deformation curve, whose shape was bilinear broken line, of the prestress disc spring was put forward, and a disc spring was designed by configuring its geometric parameters to make its spring force-deformation curve was approximate to the ideal spring force-deformation curve. (C) 2011 Published by Elsevier B.V. Selection and/or peer-review under responsibility of Garry Lee.
引用
收藏
页码：80 / 86
页数：7
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