Modeling and analysis of nonlinear guideway for double-ball bar (DBB) measurement and diagnosis

J. M. Lai, J. S. Liao, Wei-Hua Chieng*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

20 Scopus citations

Abstract

The purpose of this paper is to study nonlinear geometric errors in multi-axis machine tools. A general mathematical model for guideway systems that can be applied to high-precision machine tools such as CNC lathes is introduced. Using this model, most nonlinear error sources in the guideway systems can be diagnosed by measuring the contouring error using a double-ball bar (DBB). Diagnostic software has been developed to identify system parameters based on the least-squares estimation method. Inputting two or three contouring errors pattern data into this software enables parameters to be identified quickly, based on the nonlinear model.

Original languageEnglish
Pages (from-to)687-707
Number of pages21
JournalInternational Journal of Machine Tools and Manufacture
Volume37
Issue number5
DOIs
StatePublished - 1 Jan 1997

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