KEHREN RS 8 C-CNC Surface Grinder with Rotary Table – Year 1988
Table diameter 800 mm SINUMERIK 3G
CNC control SIEMENS SINUMERIK 3G
Rotary table diameter 800 mm
Grinding height (with new segments) 350 mm
Grinding wheel diameter 480 mm
Grinding wheel speed 1000 m/min
Spindle motor power 45 kW
Automatic feed 0.05 – 3.5 mm/min (infinitely variable)
Grinding head vertical movement 1100 mm/min
Rotary table speeds 6-60 m/min (infinitely variable)
Suitable grinding segments 120 x 40 x 180 mm
Complete electrical equipment for an operating voltage of 380 V, 50 Hz, control voltage 24 V DC (220 V AC), with all electric motors (forced-ventilated spindle motor 45 kW at 1000 m/min
Accessories
Electromagnetic rotary table (outer diameter 800 mm)
Complete rectifier system for 24 V DC
Automatic polarity reversing device (for easier release of workpieces from the electromagnetic rotary table)
Device for reducing the magnetic clamping force
Operating hour meter
CNC control: SIEMENS SINUMERIK 3G, basic version 4, with screen
Grinding control unit
Complete wet grinding device with 1000 L coolant tank, 400 l/min pump
Semi-enclosed work area (significant reduction of coolant mist)
Automatic feed system with DC drive, with CNC-controlled Z-axis
Segment quick-action chuck ø 480 mm
Automatic grinding head swivel device (jet / cross grinding)
Machine light
Oil collecting tray
Mounted dressing device
Automatic Central lubrication system
Automatic compressed air lubrication
Ball screw with preloaded double nut
Ball screw
Fully hardened column guides and recirculating roller bearings for the grinding machine guides
Plastic-coated guideways
Steel covers for the bed and lower column guideways
Special equipment
Automatic magnetic filter system 500 l/min for automatic coolant cleaning
Grinding mist extraction