... in producing internal; cylindrical; centerless; high precision; cnc grinding machine(spare parts).Our machies mainly apply for: inner bore and ... cylindrical grinding of plane, car, machine, electronic parts, sports equipments, sewing parts, shot shoot, ... 3-50Max. depth to be ground(mm)80Workpieces aperture(mm) 180 180Max. rotating angle of grinding head (°)30°Workpieces speed ...