SRAHengli Hydraulic Spiral Rotary Actuators — HBL, HBM, HBH, HBT, HBK, HBP series
Spiral Rotary Actuators HENGLI SRA
Hengli hydraulic spiral rotary actuators: six series (HBL, HBM, HBH, HBT, HBK, HBP) with more than 100 specifications. Linear piston motion is converted into rotation of the output shaft by two helical spline pairs: fixed nut — hollow screw — output screw. Output torque is 200–76,000 N·m at 21 MPa, holding torque is two times the output torque or more, torque and speed are equal in both directions; built-in axial and radial bearings carry cantilever and straddle loads. An optional counterbalance valve prevents uncontrolled rotation on line failure and overload.
Specifications
- Series
- HBL, HBM, HBH, HBT, HBK, HBP — 100+ specifications
- Output torque (21 MPa)
- 200–76,000 N·m
- Holding torque
- 2× output torque or more; up to 111,800 N·m (HBP 465)
- Design pressure
- 30–210 bar
- Rotation angle
- 0–360° (HBL, HBH, HBK, HBP); HBM — 180°; HBT — 200° or 220°
- Working temperature
- −30…+90 °C
- Mounting
- flange (HBL, HBH, HBK), tripod (HBM, HBH, HBT, HBP); HBK output — flat key or spline
- Options
- integrated counterbalance valve, special seals
Applications
- Platform rotation of aerial work platforms
- Drilling rigs and tunnelling machinery
- Tilting buckets and excavator attachments
- Refuse trucks and municipal vehicles
- Tractors and agricultural machinery
We will select the right size for your task and prepare a quotation under a direct SDS contract.
