超声振动单点增量成形力研究

柏朗; 李言; 杨明顺; 姚梓萌; 徐青

doi:10.13433/j.cnki.1003-8728.2018.0217

超声振动单点增量成形力研究

doi: 10.13433/j.cnki.1003-8728.2018.0217

1.
西安理工大学机械与精密仪器工程学院, 西安 710048

基金项目:

国家自然科学基金项目（51475366，51475146）与陕西省科技计划项目（2016JM5074）资助

详细信息

作者简介:
柏朗(1990-),博士研究生,研究方向为先进制造与现代加工技术,bailangdyx@163.com

通讯作者:
李言,教授,博士生导师,Jyxy-ly@xaut.edu.cn

计量
- 文章访问数: 177
- HTML全文浏览量: 28
- PDF下载量: 4
- 被引次数: 0
出版历程
- 收稿日期: 2016-12-01
- 刊出日期: 2018-02-25

Research on Forming Force in Single Point Incremental Forming with Ultrasonic Vibration

1.
School of Mechanical and Precision Instrument Engineering, Xi'an University of Technology, Xi'an 710048, China

摘要

摘要: 在单点增量成形过程中，不同的工艺条件和成形力会造成接触点的应力应变状态发生较大的变化，引起板料破裂、堆积、起皱等缺陷，降低成形质量和精度。本文提出了一种基于数控技术的超声振动单点增量成形方法，通过改变工具头与成形件之间的瞬时接触状态、润滑条件以及材料的变形机理，进而降低成形力，提高成形质量。以Hass数控机床作为实验平台，设计开发了超声振动主轴以及板料夹持系统，建立了基于Kistler的成形力测试系统，通过大量成形实验，获得不同工艺和振动条件下的成形力的变化规律。
- 超声振动单点增量成形 /
- 成形力 /
- 振动主轴 /
- 测力系统 /
- 变化规律
Abstract: In the single point incremental forming process, the different process conditions and forming force will largely change the contact stress and strain state, sheet rupture, accumulation and wrinkling defects, finally inducing the lower forming quality and precision. An ultrasonic vibration single point incremental forming method was proposed in this paper based on the numerical control technology. This method will give rise to a lower force and a higher quality by changing the momentary contact state, lubrication condition and defromation mechanism between the tool head and the workpiece. The ultrasonic vibration spindle and sheet clamping system were designed based on the experiment platform of Hass numerical control machine and the test forming force system of Kistler was also designed. Through a large number of experiments, the forming force variation regularities under different vibration process were obtained.
- single point incremental forming with ultrasonic vibration /
- forming force /
- vibration spindle /
- testing system of forming force /
- variation regularity

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参考文献(18)

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