Microfeeding system for precisive grinding

A microadvance system for accurate grinding machine is composed of a drive unit consisting of piezoelectric drive power supply, piezoelectric ceramics, man-machine interface type input device, and displacement-voltage table, an executing unit consisting of flexible hinge mechanism and microadvance bench, a detecting unit consisting of inductance-type position sensor or raster rule, detection signal acquiring module, displacement-voltage compensation data table, and signal processing-outputting module, and a control system consisting of microprocessor, D/A and A/D converters, data I/O display, signal amplifier, information integrating interface, and signal processing reference model and algorithm.