2K Series hydraulic oribit motor

2K Series hydraulic oribit motor

5 month ago

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Ningbo Hengnuo Hydraulic Drive Co.,Ltd

 3 year year

Product details

The2K Series hydraulic orbit motor is a type of low-speed, high-torque (LSHT) hydraulic motor designed for applications requiring robust power transmission, precise control, and durability under heavy loads. Below is a structured breakdown of its core attributes, technical specifications, and applications:

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1. Technical Overview

• Working Principle:

• Based on thegerotor (orbital gear) mechanism, where an inner rotor (eccentric pin-driven) rotates within a fixed outer stator, creating multiple sealed chambers.

• Hydraulic fluid pressure forces the rotor to orbit, converting hydraulic energy into mechanical torque.

• Key Advantages:

• High Torque at Low Speeds: Ideal for applications requiring heavy lifting (e.g., winches, augers).

• Compact Design: Smaller size compared to gear motors for similar torque outputs.

• Efficiency: Typically 70–85% mechanical efficiency, reducing energy loss.

• Bidirectional Operation: Reversible flow enables forward/reverse motion without mechanical changes.

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2. Key Specifications (Typical 2K Series Models)

【表格】

Parameter Range Example (2K-160 Model)

Displacement 50–1,000 cc/rev (customizable) 160 cc/rev

Max Pressure 200–350 bar (2,900–5,075 psi) 300 bar

Max Speed 50–500 RPM (dependent on torque) 300 RPM

Peak Torque 50–5,000 Nm (37–3,688 lb-ft) 1,200 Nm

Shaft Options Splined, keyed, or flanged Splined shaft (DIN 5480)

Mounting Styles Foot, flange, or face-mounted SAE B flange

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3. Applications

The 2K Series excels in industries requiringheavy-duty, slow-rotation machinery, including:

• Construction:

• Excavator swing drives, trencher rollers, and concrete mixer drives.

• Agriculture:

• Harvester reels, grain augers, and fertilizer spreaders.

• Mining & Forestry:

• Drill rigs, winch systems, and log splitters.

• Marine:

• Anchor winches, deck cranes, and thruster propulsion.

• Industrial Machinery:

• Plastic injection molding machines, conveyor drives, and hydraulic presses.

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4. Key Features for Reliability

• High-Pressure Sealing:

• Advanced shaft seals (e.g., Viton® O-rings) prevent fluid leaks under high pressure.

• Corrosion Resistance:

• Nickel-plated rotors and stainless-steel shafts for marine/chemical environments.

• Modular Design:

• Swappable ports, valves, and brakes for customization (e.g., brake-integrated models for safety).

• Thermal Management:

• Optional cooling fins or external fluid circuits for continuous duty cycles.

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5. Comparison with Alternatives

【表格】

Metric 2K Series Orbit Motor Gear Motor Piston Motor

Torque Density High (compact design) Medium Very High

Speed Range Low (50–500 RPM) High (1,000+) Medium

Cost Moderate Low High

Noise Level Quiet (orbital design) Loud (gear mesh) Moderate

Best For:

• Applications needinghigh torque at low speeds(e.g., winches, augers).

• Space-constrained systems where compactness is critical.

Avoid For:

• High-speed applications (e.g., fans, centrifuges).

• Budget-sensitive projects where gear motors suffice.

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6. Maintenance & Troubleshooting

• Common Issues:

• Leakage: Check shaft seals, port gaskets, and case integrity.

• Low Torque: Inspect for contaminated hydraulic fluid or worn bearings.

• Overheating: Verify flow rates, pressure relief valves, and cooling systems.

• Recommended Checks:

• Bi-annual fluid analysis (ISO 4406 cleanliness standard).

• Annual inspection of rotors/stators for wear.

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Ningbo Hengnuo Hydraulic Drive Co.,Ltd

 Audited supplier

3 year

Address: Ningbo, China

Main Product: hydraulic motor, gear box, hydraulic pump, hydraulic valve , hydraulic winch, hydraulic system

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