Abstract
In this study, forecasting and compensatory control (FCC) techniques are employed to improve the workpiece roundness accuracy in taper turning on an experimental lathe. The paper focuses on the development and implementation of both hardware and software associated with the forecasting and compensation system. The tasks involve the in-process error measurement, off-line error modelling and simulation and on-line error forecasting and compensation. Experimental results have shown that an improvement of 24–38% was achieved for the roundness error of workpieces in the taper turning operations.
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