A linear motor with solid horn and actuation

HUA Shun-ming; LI Jia-lin; LOU Ying-hou; ZHAO Yuan; ZHANG Xue-chang

doi:10.3788/OPE.20162413.0438

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A linear motor with solid horn and actuation

更新时间：2020-08-13

- A linear motor with solid horn and actuation
- Optics and Precision Engineering Vol. 24, Issue 10s, Pages: 438-445(2016)
- 作者机构：
  
  1. 浙江大学宁波理工学院, 浙江宁波 315100
  2. 太原科技大学机械工程学院, 山西太原 030024
  3. 浙江省零件轧制成形技术研究重点实验室, 浙江宁波 315100
- 作者简介：
- 基金信息：
- DOI：10.3788/OPE.20162413.0438
  CLC： TM384
- Received：10 May 2016，
  
  Revised：17 June 2016，
  
  Published：14 November 2016
- 稿件说明：
移动端阅览
华顺明, 李加林, 楼应侯等. 带有变幅杆的直线电机及其驱动控制[J]. 光学精密工程, 2016,24(10s): 438-445

HUA Shun-ming, LI Jia-lin, LOU Ying-hou etc. A linear motor with solid horn and actuation[J]. Editorial Office of Optics and Precision Engineering, 2016,24(10s): 438-445
华顺明, 李加林, 楼应侯等. 带有变幅杆的直线电机及其驱动控制[J]. 光学精密工程, 2016,24(10s): 438-445 DOI： 10.3788/OPE.20162413.0438.

HUA Shun-ming, LI Jia-lin, LOU Ying-hou etc. A linear motor with solid horn and actuation[J]. Editorial Office of Optics and Precision Engineering, 2016,24(10s): 438-445 DOI： 10.3788/OPE.20162413.0438.

摘要

为实现小型装备驱动单元的微小化、集成化，设计制作了一种带有指数型变幅杆的直线螺纹电机。电机利用梁的一阶弯振模态工作，定子中部为四棱柱弹性体，由贴片式压电陶瓷激励产生空间摇摆运动，单端为指数型变幅杆，放大振动位移并协调匹配定转子尺寸。转子螺杆由变幅杆内螺纹驱动，输出直线位移。设计了专用驱动电路，并结合样机对主要性能进行了实测。结果表明，在电压有效值200 V、频率15.6 KHz时，电机最高空载速度约为3.3 mm/s，最大轴向力约11 N。该电机结构简单，控制方便，机械特性较好，特别是轴向力较现有同类电机有显著提高。

Abstract

To achieve miniaturization and integration of drive units for small-size equipment

a linear screw motor with exponential type ultrasonic horn is designed and made. The motor works in first-order bending vibration mode of the girder

and middle part of the stator is a quadrangular elastomer; use the SMD piezoelectric ceramic stimulation to produce space rocking motion

with the single end as exponential type ultrasonic horn

then amplify the vibration displacement and coordinate/match the rotor/stator size. The rotor screw is driven by internal thread of the ultrasonic horn to output linear displacement. A special drive circuit is designed and combined with the model machine to carry out an actual measurement in the main performances. The results indicate that when the voltage effective value is 220 V and the frequency is 15.6 KHz

maximum no-load speed of the motor is 3.3mm/s and the maximum axial force is 11 N. The motor is simple in structure

convenient for control and good in mechanical property

with a relatively higher axial force compared with motors of the same kind.

关键词

Keywords

references

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