A 3D error measurement system for CNC machining tools

Wenyuh Jywe, Y. R. Jeng, Yitsung Li, Chienhtmg Liu, Tunghui Hsu, Hsinhung Jwo, Borjeng Lin, Mengtse Lee, Hsing Chia Kuo, Chorng Tyan Lin, Cheng Chang Chiu

Research output: Contribution to journalConference articlepeer-review


A new system for measuring the errors of three-axis machines is presented in this paper. It is composed of a planar encoder system and a magnetic telescoping ball bar. The individual signals of three-axis displacement can be simultaneous obtained. The errors of the three-axis machines, geometric error, kinematic error, wobble error and volumetric error, can be effectively measured. The system is characterized by short set up time, low capital requirement, high measuring speed and high accuracy.

Original languageEnglish
Article number713311
JournalProceedings of SPIE - The International Society for Optical Engineering
Publication statusPublished - 2009
Event5th International Symposium on Instrumentation Science and Technology - Shenyang, China
Duration: 2009 Sep 152009 Sep 18

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering


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