Abstract
A new test part, the S part, has been further discussed on its validation. Researches have shown dynamic errors, especially for follow-up errors that mainly contribute to dimensional errors of the S part. The models of mechanical system, servo system, are set up to find out the key dynamic machine factors. Coupled with the motions of five axes, the follow-up errors, the actual positions of the tool center, and the contouring error are calculated, which are used to analyze the effect of factors. Results show that different machine factors have different error curves on the S part surface. So the algorithm to track the cause of the processed error has been developed. Then, the S part cutting experiments are carried out to testify the analysis results. Both analysis and experiment results have a good agreement. Finally, the characteristics of the S part are compared with the commonly used test part NAS979. Obviously, the S part presents more machine abilities than NAS979, which test well the performance of a five-axis machine center.
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Wang, W., Jiang, Z., Li, Q. et al. A new test part to identify performance of five-axis machine tool-Part II validation of S part. Int J Adv Manuf Technol 79, 739–756 (2015). https://doi.org/10.1007/s00170-015-6869-9
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DOI: https://doi.org/10.1007/s00170-015-6869-9