An Evaluation of Ultra-precise Machine Tool Contouring Performance: The Low Amplitude Sine Tracking (LAST) Test
Micro-stepping position tests are often used to demonstrate the performance of ultraprecise machine tools. These tests record the ability of a machine tool to precisely move slides over very short distances. To optimize machine performance for these tests it is necessary to detune slide servo system characteristics from typical operating values. Therefore discreet micro-stepping tests are not representative of the dynamic contouring performance of ultraprecise machine tools.
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