# Position-dependent geometric errors measurement and identification for rotary axis of multi-axis machine tools based on optimization method using double ball bar

> Research article (The International Journal of Advanced Manufacturing Technology, 2018) · cited 13× · AI/ML

**Wikidata**: [openalex:W2889104572](https://www.wikidata.org/wiki/openalex:W2889104572)  
**Source**: https://4ort.xyz/entity/position-dependent-geometric-errors-measurement-and-identification-for-rotary-axis-of-multi-axis-machine-tools-based-on-