Journal of the Korean Society of Manufacturing Technology Engineers (한국생산제조학회지)

The Korean Society of Manufacturing Technology Engineers (한국생산제조학회)
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Estimation and Evaluation of Volumetric Position Errors for Multi-axis Machine Tools

다축공작기계의 공간오차 예측 및 검증

  • Hwang, Jooho (Dep. of Ulta precision Machines and Systems, Korea Institute of Machinery and Materials) ;
  • Nguyen, Ngoc Cao (Dep. of Nano-mechatronics, University of Science and Technology) ;
  • Bui, Chin Ba (Dep. of Ulta precision Machines and Systems, Korea Institute of Machinery and Materials) ;
  • Park, Chun-Hong (Dep. of Ulta precision Machines and Systems, Korea Institute of Machinery and Materials)
  • Received : 2013.11.14
  • Accepted : 2014.02.04
  • Published : 2014.02.15
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Abstract

This paper describes a method of estimating and evaluating the volumetric errors of multi-axis machine tools. The estimation method is based on a generic model that was developed from conventional kinematic error models for the geometric and thermal errors to help predict the volumetric error easily in various configurations. To demonstrate the advantages of the model, an application in the early stages of a five-axis machine tool design is presented as an example. The model was experimentally evaluated for a four-axis machine tool by using the data from ISO230-6 and R-test measurements to compare the estimated and measured volumetric errors.

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References

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