Seedtec APS-818P surface grinder-saddle type is full auto 2/3 axis servo machine with grinding capacity L x W: 460mm x 200mm. Adopted Direct dirve spindle. Accuracy of table surface is 2 micron and downfeed (minimum unit) is 1 micron. Cross feed driven by servo motor and longitudinal driven by hydraulic. APS series linear gudie way with extra large block for vertical axis and another two axes are box ways.