用于脆硬材料加工中压电测力仪研制

张军; 卢炜昌; 任宗金; 钱敏

doi:10.13873/J.1000-9787(2020)07-0069-03

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用于脆硬材料加工中压电测力仪研制

设计与制造 | 更新时间：2025-09-11

- 用于脆硬材料加工中压电测力仪研制
- Research and fabrication of piezoelectric dynamometer applied in brittle and hard-materials processing
- 传感器与微系统 2020年39卷第7期页码：69-71+75
- 作者机构：
  
  大连理工大学机械工程学院
- 作者简介：
- 基金信息：
  
  国家自然科学基金资助项目（51475078,51675084）;航空科学基金资助项目（20160163001）;中央高校基本科研业务项目（DUT17GF211）
- DOI：10.13873/J.1000-9787(2020)07-0069-03
  中图分类号： TH823
- 纸质出版：2020
- 稿件说明：
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[1]张军,卢炜昌,任宗金,钱敏.用于脆硬材料加工中压电测力仪研制[J].传感器与微系统,2020,39(07):69-71+75.

ZHANG Jun, LU Weichang, REN Zongjin, et al. Research and fabrication of piezoelectric dynamometer applied in brittle and hard-materials processing[J]. 2020, 39(7): 69-71+75.
[1]张军,卢炜昌,任宗金,钱敏.用于脆硬材料加工中压电测力仪研制[J].传感器与微系统,2020,39(07):69-71+75. DOI： 10.13873/J.1000-9787(2020)07-0069-03.

ZHANG Jun, LU Weichang, REN Zongjin, et al. Research and fabrication of piezoelectric dynamometer applied in brittle and hard-materials processing[J]. 2020, 39(7): 69-71+75. DOI： 10.13873/J.1000-9787(2020)07-0069-03.

摘要

脆硬材料加工中

常用加工中切削力的变化研究刀具结构、优化切削参数

从而提升加工质量。以测量脆硬材料深小孔加工、扩孔加工中的切削力为目标

分析了两种加工方法刀具的受力情况

设计选用4只压电传感器竖直布置的测力仪。分析了测力仪中单个传感器预紧及装配产生的测试误差

并采用逐次调整装配的方法修正

后对测力仪进行了静、动态标定。标定结果表明:测力仪轴向灵敏度高、各向线性及重复性好、向间干扰小、固有频率高

具有良好的测试性能。

Abstract

In order to improve the quality in processing of brittle and hard-materials

cutting force is usually studied for analysis on tool structure and optimize cutting parameters. Aiming at measuring cutting force in deephole machining and reaming process of brittle and hard-materials

the force condition of the cutting tool in two cases is analyzed and the dynamometer with 4 piezoelectric sensors arranged vertically is designed for measurement. The test error caused by pre-tightening and assembly of every single sensor is analyzed

and it decreases by adjusting progressively. Then the static and dynamic calibration experiments of the dynamometer are performed. Results show that the dynamometer has a good test performance with high axial sensitivity

good linearity and repeatability

small interference between phases and high natural frequency.

关键词

Keywords

references

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