Specifications: Control:OSP-U10G Year: 2001（overhauled by OKUMA in 2010） Grindable bore dia. area:φ5～300/(only φ300 grindstone with φ100 spec） Gridable outside dia. area:φ200/ grindstone withφ100 dia. Grindable work length:200mm Grindable chuck jaw dia:φ300mm + grindstone dia. Swing inside cover:φ400mm Work length:200mm Work weight×length:150 ～ 200kg-mm Spindle nose dia:φ100mm　　　 Spindle bore:φ70mm Spindle speed:100～750rpm Number of spindle speed（C-axis）:non-stage（available by NC program） Work headstock turning angle:10 deg. Infeeder device travel （XA-axis）:50 backward, 150 forward Table travel（ZA-axis）:500mm Grindstone turning angle:5 deg.　 Grindstone right-and-left travel:350mm…