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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 reference base measurement and face pick-up
- Automatic wheel dressing with automatic compensation
- Maximum of 21 programs storable
- 6 grinding cycles, up to 10 steps each
- 5 dressing cycles
- Zero point setter, air gap measuring device (option)
- Highly rigid, stress-relieved cast iron machine bed
- Double prism “V” slideways, exclusively hand-scraped surfaces, unique to OKAMOTO machines

Technical Data:
Capacity
- Max. swing diameter over table: Ø220 mm
- Distance between centers: 500 mm
- Max. grinding diameter: Ø200 mm
- Max. workpiece weight between centers: 50 kg
- Max. workpiece weight in chuck (gross): 20 kg
- Grinding wheel size (universal grinder): Ø305 x 50 x Ø127 mm
- Max. peripheral speed (inverter-controlled): 45 m/sec
- Wheel spindle "X" travel: 215 mm
- Swiveling (universal): +/- 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
- Work spindle type: fixed and rotating centers applicable, taper MK3
- Work spindle bore diameter: Ø18 mm
- Speed: 10 ~ 500 rpm
- Swiveling angle (universal): 30°/ -90°
- Tailstock sleeve stroke: 20 mm
- Sleeve taper: MK3
- Motors: wheel spindle 3.7 kW, work spindle AC servo 1.8 kW, table feed AC servo 1.2 kW, wheel feed AC servo 1.2 kW
- Total power requirement: 15 kVA
- Space required: length 3400 mm, width 2330 mm, height 1950 mm
- Machine weight net: 3300 kg

Standard Grinding and Dressing Software
- 10-step automatic grinding cycle
- Straight dressing cycle
- Plunge oscillation grinding cycle
- Offset plunge (rough + finish) cross grinding cycle
- Shoulder dressing cycle for both left and right
- Profile dressing cycle programmable in ISO G-code
- Workpiece shoulder grinding cycle for both left and right

Standard Accessories
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- Grinding wheel Ø305 x 50 x Ø127 mm (UNCIII), 1 pc
- 2 wheel mounting adapters
- 3.7 kW spindle motor
- Max. wheel speed 45 m/sec
- Workpiece spindle speed controller
- FANUC 0i D CNC control (simultaneous 2-axis)
- 10.4” color OKAMOTO controller – vertical & cross indications
- Graphical teaching software for creating grinding & dressing cycles
- Complete Fanuc pushbutton panel – for ISO G-code programs with apex radius compensation
- Electronic handwheel (increments: x1/x10/x100)
- Rapid traverse lever (joystick) for cross and longitudinal axis
- Enclosed guard with sliding door, equipped with safety switch
- LED machine lamp
- Automatic lubrication during operation
- Coolant nozzles and piping
- Coolant system for wheel dressing
- Permanent coolant setup for table
- Carbide center
- Step (shoulder) positioning device and software
- Gap sensor and software
- Leveling screws and base plates
- Tool kit
- Operator’s manual
- CE version
- Table swivel measuring device
- Coolant system with paper filter, DGS, 200 l
- Cleaning gun
- Manual steady rest (2-point)
- Manual chuck 130 mm with chuck plate
- Motorized tailstock sleeve with foot pedal
- Signal lamp (green/yellow/red)
- Balancing arbor
- Spare wheel adapter

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