Historical
ISO 230-4:2005
Test code for machine tools - Part 4: Circular tests for numerically controlled machine tools
ISO 230-4:2005 specifies methods of testing and evaluating the bi-directional circular deviation, the mean bi-directional radial deviation, the circular deviation and the radial deviation of circular paths that are produced by the simultaneous movements of two linear axes. Its objective is to provide a method for the measurement of the contouring performance of a numerically controlled machine tool.
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International Organization for Standardization [iso]