This model is a combination of worktable and mechanical polishing arm, suitable for small batch metal plate surface polishing, slag removal, deburring and other treatment. The machine is very convenient to use, only need manpower to gently press down to achieve the required grinding strength. Automatic vacuum adsorption table, automatic distribution of vacuum suction, the workpiece only need to be flat on the table, without any clamping can be ground, efficient and safe. Different brushes can be selected according to the actual workpiece to achieve the ideal effect. The machine has its own dust-cleaning function, automatically absorbs the debris when grinding the workpiece, protects the health of the workers and keeps the workshop clean. A power two grinding head configuration, only need to rotate 180° can quickly change the grinding head, efficient and convenient, safe and energy-saving.