(1) ISO 230-2: Acceptance code for machine tools-Part2: Determination of accuracy and repeatability of positioning of numerically controlled machine tools, (1988).
(2) JIS B 6201,工作機械-試験方法通則,日本規格協会,(1990).
(3) ANSI/ASME B5. 54. 1991 (D), Methods for performance evaluation of computer numerically controlled machining centers, (1991).