Hydraulic Rack and Pinion Rotary Actuator
FLO-TORK (210 bar)
Design Features:
- Heavy Duty hydraulic (210 bar max)
- Torque range: 102 to 67 788 Nm max at 210 bar (5 650 000 Nm for the MegaTork Series)
- Standard rotations: 90°, 180° and 360° (others on request)
- NPT ports (BSPP on request)
- Rack & Pinion: High mechanical efficiency
- Zero leakage: High volumetric efficiency
- Anti-friction bearings: High external load capability
- Gearing: Single tooth load capacity
- Through shaft: Position readout source
- Minimum breakaway pressure: 3,4 bar
- Operating temperature: -18° to 93°C
Standard Options:
- Decelerating cushions
- Stroke adjustors
- Cushions & stroke adjustors
- End ports or side ports
- Mounting variations
- Shafting variations
- Customer specified rotations
- Custom sealing arrangements
- Air bleeds
- Special Coatings
Characteristics:
Pinion shaft
- High strength steel alloy
- Rugged one piece construction
- Single tooth load capacity
Cylinders
- Heavy wall steel tubing
- Precision honed bores
End caps
- Steel bar or ductile iron
- Optional cushions and adjustors
Bearings
- Ball or tapered roller
- Substantial external load capacity
Piston seals
- Zero leakage radial seals
- O-ring & double back-up rings
- Energized lip seal (3700 & 7500 series)
Pistons and racks
- Patented floating piston design (75 000 series and more)
- One piece piston/rack design (900 to 30 000 series)
- High strength ductile iron
Gearing
- High strength hardened steel
- Single tooth capacity
Tie rods
- Pre-stressed steel alloy
Keyway timing
- 12 o’clock position at mid-stroke of rotation
Gear chamber
- Oil-filled elastomer sealed
- Non-pressurized with relief valve
Housing
- High strength ductile iron
- Optional mounting surfaces
