Seedtec YSG-52TS surface grinder-saddle type is auto-single axis servo machine with grinding capacity L x W: 500mm x 200mm, adopted cartridge type spindle. Accuracy of table surface is 2 micron and downfeed (minimum unit) is 1 micron. 3 axes are box ways. Corss feed driven by simplified AC servo motor, Longitudianl by advance table hydraulic design.