Development of methods for the numerical error correction of machine tools
Inaccuracies in the use of machine tools are caused by errors of form geometry, changes in the geometry due to finite stiffness and changes due to thermal effects. The aim of this project has been the on-line improvement of the accuracy of machine tools by the adaptation and extension of the correction methods used in the field of coordinate measuring machines. An individual model has been developed which describes the error structure of the five-axis milling machine investigated. An analytical and an empirical approach have been used to describe the thermomechanical errors of the machine tool. All the developed models have been implemented in the controller of the milling machine. This has resulted in a software error compensation which can operate in a real-time environment and corrects errors during normal operation.
Bibliographic Reference: EUR 15377 EN (1993) 191 pp.
Availability: Available from Mr. Helmrath, European Commission, DG XII, 200 rue de la Loi, B-1049 Bruxelles (BE)
Record Number: 199410254 / Last updated on: 1994-11-28
Original language: en
Available languages: en