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Okamoto OGM 250 UNCIII

Okamoto OGM 250 UNC III

Machine Features:
- OKAMOTO touch-screen NC control with advanced OKAMOTO software
- 2-axis interpolation
- Step positioning (shoulder positioning) automatic probe for reference measurement and face touch operation
- Automatic wheel dressing with automatic compensation
- Storage for up to 21 programs
- 6 different grinding cycles with a maximum of 10 steps per cycle
- 5 different wheel dressing cycles
- Zero point setter and air gap measurement device (optional)
- Highly rigid, stress-relieved cast iron bed structure
- Double prism “V” slideways – unique to OKAMOTO machines (hand-scraped surfaces)

Technical Data:
Capacity
- Maximum swing diameter above table: Ø 220 mm
- Center distance: 500 mm
- Maximum grindable diameter: Ø 200 mm
- Maximum workpiece weight between centers: 50 kg
- Maximum workpiece weight in chuck (gross): 20 kg
- Grinding wheel size (universal grinder): Ø305 mm x 50 mm x Ø127 mm
- Maximum peripheral speed (inverter-driven): 45 m/sec
- Wheel spindle “X” travel: 215 mm
- Universal swiveling: +/- 30°
- Diameter resolution: 0.0001 mm
- Rapid traverse in diameter: 4 m/min

Table “Z” travel: 762 mm
- Swivel angle: 0° ~ -9°
- Resolution: 0.0001 mm
- Rapid traverse: 8 m/min
- Workhead type: stationary and rotating center, taper: MT3
- Workhead bore diameter: Ø18 mm
- Workhead speed: 10 ~ 500 rpm
- Swivel angles (universal): 30° / -90°
- Tailstock quill stroke: 20 mm
- Tailstock taper: MT3
- 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 requirements: 15 kVA
- Footprint: 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 (rough) + finishing traverse grinding cycle
- Shoulder wheel dressing cycle for left and right sides
- Profile wheel dressing cycle, programmable in ISO G code
- Grinding cycles for right and left workpiece shoulders

Standard Accessories:
- Grinding wheel Ø305x50xØ127 mm (UNCIII) – 1 piece
- 2 wheel mount adapters
- 3.7 kW spindle motor
- Maximum grinding wheel peripheral speed: 45 m/sec
- Speed regulator for workhead
- FANUC 0i D CNC control (simultaneous 2-axis)
- 10.4" color OKAMOTO controller – vertical and crosswise display
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- Graphical teaching software for creating grinding and dressing cycles
- Complete Fanuc push-button panel for ISO G code programming with radius compensation
- Electronic handwheel (increment: x1/x10/x100)
- Rapid traverse lever (joystick) for cross and longitudinal movements
- Enclosed guard with safety interlocked sliding door
- LED machine lamp
- Automatic lubrication during operation
- Coolant nozzles, piping
- Coolant system for wheel dressing
- Permanent coolant system for the table
- Carbide-tipped centers
- Step positioning device and software
- Gap sensor and software
- Leveling screws and base plates
- Tool set
- Operating manual
- CE conformity
- Table swivel angle measuring device
- Coolant system with paper filter, DGS, 200 l
- Cleaning pistol
- 2-point manual steady rest
- 130 mm manual chuck with chuck plate
- Motorized tailstock quill with foot pedal
- Signal lamp (green/yellow/red)
- Balancing arbor
- Spare wheel adapter

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