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Okamoto OGM 250 UNCIII

Okamoto OGM 250 UNC III

Machine features:
- OKAMOTO touchscreen NC control with advanced OKAMOTO software
- 2-axis interpolation
- Step (shoulder) automatic probe for base measurement and face dressing
- Automatic wheel dressing with automatic compensation
- Storage capacity for up to 21 programs
- 6 types of grinding cycles, max. 10-step sequences
- 5 types of wheel dressing cycles
- Zero point measuring device and air gap measuring unit (optional)
- Highly rigid, stress-free cast iron bed structure
- Double prism 'V'-shaped slideways, unique to OKAMOTO machines (hand scraped surfaces)

Technical Data:
Capacity:
- Max. swing diameter over table: Ø220 mm
- Distance between centers: 500 mm
- Max. grindable diameter: Ø200 mm
- Max. workpiece weight between centers: 50 kg
- Max. workpiece weight in chuck (gross): 20 kg
- Grinding wheel size (universal): Ø305 mm x 50 mm x Ø127 mm
- Max. peripheral speed with inverter: 45 m/sec
- Wheelhead "X" axis travel: 215 mm
- Universal swiveling: +/-30°
- Diameter resolution: 0.0001 mm
- Rapid traverse in diameter: 4 m/min

Table "Z" axis travel: 762 mm
- Swivel angle: 0° ~ -9°
- Resolution: 0.0001 mm
- Rapid traverse: 8 m/min
- Workhead type: fixed and rotating centers, Morse Taper MK3
- Workhead bore diameter: Ø18 mm
- Rotational speed: 10 ~ 500 rpm
- Swiveling angle (universal): 30° / -90°
- Tailstock quill stroke: 20 mm
- Quill taper: MK3
- Motors: Wheel spindle: 3.7 kW, Workhead: AC servo 1.8 kW, Table feed: AC servo 1.2 kW, Wheel feed: AC servo 1.2 kW
- Total power consumption: 15 kVA
- Space required: Length: 3,400 mm; Width: 2,330 mm; Height: 1,950 mm
- Net weight: 3,300 kg

Standard grinding and wheel dressing software:
- 10-step automatic grinding cycle
- Straight wheel dressing cycle
- Plunge oscillation grinding cycle
- Offset plunge (roughing) + crossfeed finishing grinding cycle
- Shoulder wheel dressing cycle for both left and right sides
- Profiled wheel dressing cycle, programmable via ISO G code
- Workpiece shoulder grinding cycle (left and right)

Standard accessories include:
- Grinding wheel Ø305x50xØ127 mm (UNCIII) - 1 pc
- 2 wheel mounting adaptors
- 3.7 kW spindle motor
- Max. grinding wheel speed 45 m/sec
- Variable speed control for workhead spindle
- FANUC 0i D CNC control (simultaneous 2-axis)
- 10.4" color OKAMOTO control display with vertical and cross direction readings
- Graphical teaching software for grinding and dressing cycles
- Complete Fanuc pushbutton interface for ISO G-code programs with tool radius compensation
- Electronic handwheel (increments: x1/x10/x100)
- Rapid traverse switch lever (joystick) for cross and longitudinal axes
- Fully enclosed guarding with safety interlocked sliding door
- LED machine light
- Automatic lubrication during operation
- Coolant nozzles and piping
- Coolant system for wheel dressing
- Permanent coolant supply for the table
- Carbide centers
- Step (shoulder) positioning device and software
- Gap sensor and software
- Leveling bolts and plates
- Tool kit
- Operating manual
- CE compliant
- Table swivel measuring device
- Coolant system with paper filter, DGS, 200 l
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- Wash-down gun
- 2-point manual steady rest
- Manual 130 mm chuck with chuck plate
- Motorized tailstock quill with foot pedal
- Signal tower (green/yellow/red)
- Balancing arbor
- Spare wheel adaptor

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