Abstract

Machine tools’ accuracy is key characteristic, which may affect processing quality. Error compensation is an efficient and economical way to upgrade machine tools’ precision. The paper focuses on the basic research of error compensation, which includes source of errors analysis, error modelling and errors acquirement. Thus, 21 geometric errors are sought out which have strong influence on the precision; relationship between errors and compensation is built; the measurements for all 21 errors (including the vertical roll error) are presented, by the experiments; the feasibility is validated.

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