US Patent 10556318 Automatic grinding apparatus

An automatic grinding apparatus includes: a grinding wheel configured to grind a workpiece; a support configured to support the workpiece; a feeding device configured to change a relative position between the grinding wheel and the workpiece; and a control device configured to, before processing using the grinding wheel is started, calculate a range in which the grinding wheel and the support are relatively moved on the basis of information on positions of the workpiece and the grinding wheel detected by a first detector, a second detector, and a third detector, move the grinding wheel or the support by performing numerical control with respect to the feeding device, and automatically start the processing using the grinding wheel.