Seedtec APS-1640S surface grinder-saddle type is full auto 2/3 axis servo motor machine with griding capacity L x W: 1000mm x 400mm. Adopted Direct Drivee spindle. Accuracy of table surface is 5 micron and downfeed (minimum unit) is 1 micron. 3 axex driven by servo motor. Linear guide way with extra large block for vertical axis and another two axex are box ways.