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Error Analysis and Compensation for Touch Trigger Probe of On-machine Measurement System

China Mechanical Engineering ›› 2012, Vol. 23 ›› Issue (15): 1774-1778.

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#br# Error Analysis and Compensation for Touch Trigger Probe of On-machine Measurement System

Wang Licheng;Huang Xinda;Ding Han

State Key Laboratory of Digital Manufacturing Equipment and Technology,Huazhong University of Science and Technology,Wuhan,430074

Online:2012-08-10 Published:2012-09-05
Supported by:

National Program on Key Basic Research Project (973 Program)（No. 2011CB706804）
Key Program of National Natural Science Foundation of China（No. 50835004）

原位检测系统中触发式测头的误差分析与补偿

王立成;黄信达;丁汉

华中科技大学数字制造装备与技术国家重点实验室,武汉,430074

基金资助:
国家重点基础研究发展计划（973计划）资助项目（2011CB706804）；国家自然科学基金资助重点项目（50835004）
National Program on Key Basic Research Project (973 Program)（No. 2011CB706804）
Key Program of National Natural Science Foundation of China（No. 50835004）

Abstract

Abstract:

On the basis of analysis on the errors from touch trigger probe of OMM, a method to correct the offset of probe was given, and the actual effective radius of probe was calibrated by means of a calibration ball. Oriented to practical measurement task, a new probe radius compensation method based on on-line calibration and bilinear interpolation techniques was presented. The verification experiments of radius compensation show that the accuracy by this method, compared to the method provided by the commercial software, can be much improved.

Key words: on-machine measurement(OMM), touch trigger probe, on-line calibration, radius compensation

摘要：


在分析了原位检测系统中触发式测头误差来源的基础上,提出了自动调整测头偏心的方法,并用标定球对测头的实际作用半径进行了校准。同时,面向实际测量任务,提出了基于在线标定和双线性插值技术的逐点测头半径补偿方法,实验验证,所提出的半径补偿方法比商用软件提供的方法更准确,提高了测量结果的准确性。


关键词: 原位检测, 触发式测头, 在线标定, 半径补偿

CLC Number:

TH161
TB92

WANG Li-Cheng, HUANG Shen-Da, DING Han. #br# Error Analysis and Compensation for Touch Trigger Probe of On-machine Measurement System[J]. China Mechanical Engineering, 2012, 23(15): 1774-1778.

王立成, 黄信达, 丁汉. 原位检测系统中触发式测头的误差分析与补偿[J]. 中国机械工程, 2012, 23(15): 1774-1778.

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#br# Error Analysis and Compensation for Touch Trigger Probe of On-machine Measurement System

原位检测系统中触发式测头的误差分析与补偿

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