Abstract
The DBB (Double Ball Bar) method can analyze motion errors of a machine tool in the un–loaded condition. However, the method can not apply for the loaded conditions. Other researches on machining error analysis proposed so far can get precise results in estimation, but the use of them is extremely limited to a certain condition. In order to realize high accuracy machining, it is necessary to identify the factors of machining errors in the loaded conditions and exclude the error from a machined part. The objective of this study is to develop a system to analyze and identify the error factors of machining by comparing the measurement data of a machined part with the CAD data. The usefulness of the developed system was verified through tests
