Grinding machine feature: 1.the feed movement is realized via ball screws and guideways. 2.adopt AC frequency-converter to shift the speed of the spindles. 3.adoptdouble-honing head to perform rough machining and high precision machining , with the feature of high accuracy and high efficiency. main technical specifivations: dimensions of the surface of working table 800×550 mm maximum length of working piece Φ12 mm maximum length of travel 350mm distance between the end of the spindle and the surface of the working table 450 mm taper of the spindle boring BT30 boring of the coolet chuck of the spindle Φ25 mm distance between two spindle 360 mm maximum speed of spindle (stepless) 300-2500 r/min power of master motor 1.5kW feed speed in (stepless) 10-2000 mm/min fast motion speed 8000 mm/min dimensions of lathe tool (L×B×H) 1500×1350×1400 net weight: 1050kg