SEEDTEC APS-818P #SurfaceGrinder - Saddle type is fully auto-2/3 axis servo machine with grinding capacity L x W: 460 mm x 200 mm. Adopted Direct Dirve spindle. Accuracy of Table surface and Downfeed (minimum unit)1 Cross driven by servo motor and longitudinal driven by hydraulic. APS series linear guide way with extra large block for vertical axis and another two axes are box ways.