6S. Weikert and W. Knapp. R-Test, a New Device for Accuracy Measurements on Five Axis Machine Tools[J], Annals of the CIRP, 2004,53(1) :429 -432.
7J. B. Bryan. A simple method for testing measuring machine and machine tools [ J ], Precision Engineering, 1982,4 ( 2 ) : 61 - 69.
8Masaomi Tsutsumi, Akinori Saito. Identification of angular and positional deviations inherent to 5-axis machining centers with a tilting-rotary table by simultaneous four-axis control movements[ J]. International Journal of Machine Tools and Manufacture, 2004(44) : 1333 - 1342.
9M. Tsutsumi, A. Saito. Identification and compensation of systematic deviations particular to 5-axis machining centers [J]. International Journal of Machine Tools and Manufacture, 2003(43) :771 - 780.
10S. H. H. Zargarbashi, J. R. R. Mayer. Assessment of ma- chine tool trunnion axis motion error, using magnetic double ball bar [ J ]. International Journal of Machine Tools and Manufacture, 2006 ( 46 ) : 1823 - 1834.
