Feasibility of form accuracy identification and control in cylindrical grinding

Abstract

A compensatory control system for a moderately accurate cylindrical grinding machine was simulated to investigate the amount of possible improvement of the workpiece roundness for a plunge cylindrical chuck grinding operation. Parametric transfer functions of the drive system of the compensatory controller and of form accuracy were identified by employing an autoregressive moving average vector modeling methodology. It has been shown that the workpiece roundness can be improved up to 90 per cent by compensating the work spindle radial error motion at the grinding position.