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A grinding machine, often shortened to grinder, is any of various power tools or machine tools used for grinding, which is a type of machining using an abrasive wheel as the cutting tool. Each grain of abrasive on the wheel's surface cuts a small chip from the workpiece via shear deformation.
Types of surface grinding machines. Tool and cutter grinder. In grinding tools by hand a bench or pedastal type of grinder is used. The tool is hand. held and moved across the face of the wheel continually to avoid excessive grinding. in one spot. For sharpening miscellananeus cutters a universal type grinder is used.