| 压电陶瓷驱动器装夹机构设计 |
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| 引用本文： | 郑华军,刘莹.压电陶瓷驱动器装夹机构设计[J].机械设计,2009,26(9). |
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| 作者姓名： | 郑华军 刘莹 |
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| 作者单位： | 南昌大学,机电工程学院,江西,南昌,330031 |
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| 基金项目： | 湖北省现代制造质量工程重点实验室开放基金资助项目，江西省工业攻关资助项目 |
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| 摘 要： | 采用直圆柔性铰链支撑的复合平行四杆机构,设计了一种压电陶瓷(PZT)驱动器的装夹机构.该机构具有导向精度稳定、响应速度快、分辨率高和无耦合运动等优点.从力学理论出发推导了柔性铰链刚度的简化计算公式,运用参数化的分析方法求得了柔性铰链结构参数对装夹机构应力、刚度及有效行程的影响.实验测得刚度和有效行程的理论计算误差分别仅为3.9%和1.4%,表明了该设计方法的可靠性与有效性.
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| 关 键 词： | 压电陶瓷(PZT) 柔性铰链 装夹机构 微动工作台 |
Design on clamping mechanism of piezoceramics drivers |
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| ZHENG Hua-jun,LIU Ying.Design on clamping mechanism of piezoceramics drivers[J].Journal of Machine Design,2009,26(9). |
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| Authors: | ZHENG Hua-jun LIU Ying |
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| Affiliation: | School of Mechanical and Electrical Engineering;Nanchang University;Nanchang 330031;China |
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| Abstract: | By adopting the right circular flexible hinge supported complex parallel four-bar linkage,a kind of clamping mechanism of piezoceramics driver was designed.This mechanism possesses the advantages of stabilized guiding precision,quick response speed,high resolution ratio and non-coupling movement etc..Start from the mechanics theory the simplified calculation formula of flexible hinge stiffness was derived.Utilizing the parameterized analytical method the influence of structural parameters of flexible hinge ... |
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| Keywords: | piezoceramics flexible hinge clamping mechanism jiggle worktable |
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