This hydraulic orbit motor is a core component widely used in the hydraulic system, belonging to classic S-series hydraulic motor products.
- Displacement: 5.70 in³/r (approx. 93.4 cm³/r)
- Rated Torque: 183 N·m (approx. 135 lbf·ft)
- Weight: 16.05 lbs (approx. 7.28 kg)
Adopts professional Geroler roller orbit structure, featuring low speed and high torque. As a reliable hydraulic motor, it boasts compact layout, stable operation, long-service-life bearings and enhanced shaft seals. It can perfectly match diverse hydraulic system demands.
Widely applied to agricultural equipment, food processing machinery, machine tools, conveying equipment and other industrial facilities.
I.Model Association and Speculation
1. Technical Parameters of HMC270-3600:
• Displacement: 3,575 ml/r (consistent with the "3575" in the model number).
• Rated Pressure: 23 MPa.
• Rated Torque: 12,028 N·m.
• Maximum Speed: 145 r/min.
• Weight: 420 kg.
2. Application Scenarios:
• Suitable for heavy-duty equipment requiringhigh torque and stable low-speed operation, such as construction machinery, mining machinery, and marine deck machinery.
• Typical applications include injection molding machines, crushers, cranes, and winches.
II.Core Features
1. Low-Speed, High-Torque Output:
• Achieved through a swash-plate piston structure and special guide curve design, enabling stable high-torque output at low speeds without the pulsation issues of traditional motors.
• Rated torque of 12,028 N·m meets heavy-load starting requirements.
2. High Efficiency and Stability:
• Both volumetric and mechanical efficiencies exceed 85%, reducing energy loss.
• Smooth output torque prevents shock vibrations during pressure switching, extending equipment lifespan.
3. High Load-Bearing Capacity:
• The output module is equipped with double-tapered roller bearings capable of simultaneously withstanding high radial and axial forces, allowing direct connection to working mechanisms and reducing transmission links.
4. Modular Design:
• Divided into four units: output, function, port distribution, and braking. Users can flexibly select braking methods, port distribution forms, and mounting interfaces based on operating conditions, lowering adaptation costs.
III.Technical Advantages
1. Hydrostatic Balance Mechanism:
• Internal hydrostatic balance design reduces bearing load pressure, ensuring stable operation under a rated pressure of 23 MPa.
2. Materials and Manufacturing:
• Key components use high-strength lightweight alloys to reduce weight and enhance impact resistance.
• Surface nano-coating technology extends component lifespan.
3. Sealing and Heat Dissipation:
• High-temperature-resistant sealing design accommodates high-temperature operating conditions (e.g., metallurgical rolling mill press systems).
• Optimized heat dissipation structure prevents hydraulic oil overheating.
IV.Selection Recommendations
1. Parameter Confirmation:
• Contact suppliers (e.g., Zhenyuan Hydraulic, Intermot) to obtain precise parameters for the 103-3575-012, including displacement, pressure, torque, speed, and weight.
• Verify support for electro-hydraulic or hydro-mechanical control methods and mounting interface dimensions.
2. Operating Condition Matching:
• Select the appropriate model based on actual load, speed, and environmental conditions (e.g., temperature, dust).
• Example: Mining machinery requires explosion-proof design, while marine equipment needs corrosion-resistant materials.
3. Certifications and Standards:
• Confirm whether the product has passed certifications such as ISO9001 and CE to ensure quality and safety.
V.Typical Application Cases
1. Injection Molding Machines:
• Provides stable power output for precise position control.
2. Crushers:
• Withstands high-impact loads, ensuring continuous operational reliability.
3. Marine Steering Gear:
• Integrates planetary transmission for extremely low-speed and ultra-high-torque output, adapting to compact space requirements.
103-3575-012 Hydraulic Motor – Detailed Specifications
The part number 103-3575-012 is a classic low-speed, high-torque geroler hydraulic motor under the Char-Lynn brand, which is owned by Eaton. Based on Eaton's part numbering system, it belongs to the 2000 Series, with the most common specific displacement being 14.9 cubic inches per revolution.
General Specifications
· Brand/Series: Eaton Char-Lynn 2000 Series (disc-valve Geroler orbital motor)
· Displacement: 14.9 cu in/rev (approx. 244 cc/rev)
· Rotation: Typically bi-directional (reversible)
Performance Parameters (Based on typical 2000 Series 14.9 cu in configuration)
· Maximum Continuous Pressure: 207 bar (3000 psi)
· Maximum Intermittent Pressure: 241 bar (3500 psi)
· Maximum Continuous Torque: approx. 474 Nm (350 lb-ft)
· Maximum Intermittent Torque: approx. 549 Nm (405 lb-ft)
· Maximum Continuous Speed: approx. 340 RPM
· Maximum Continuous Flow: approx. 57 LPM (15 GPM)
· Maximum Intermittent Flow: approx. 66 LPM (17.5 GPM)
Note: Output torque is proportional to pressure. At maximum pressure and flow, the continuous output power is approximately 16.8 kW.
Physical and Interface Dimensions
· Shaft Configuration:
· The most common configuration is a 1.25" diameter straight shaft with key.
· This part number may also be available in custom versions with a 1.25" tapered shaft or splined shaft.
· Port Configuration:
· Standard ports are 7/8-14 UNF threads with O-ring seals.
· Some versions may have G 3/4 or SAE 8 port configurations.
· Mounting Flange:
· Standard 4-bolt flange, pilot diameter typically matching SAE B (4.25" pilot).
· Drain Port:
· A case drain line is required (for flushing and cooling). The drain port is usually 1/4 NPTF or 3/8".
Internal Construction and Features
· Design: Gerotor gear set (stator and rotor) combined with a disc-type commutator valve.
· Load Capacity: Built with large tapered roller bearings that can withstand high radial and axial loads, allowing direct connection to wheels or sprockets.
· Interchangeability: Standard modular design, with parts interchangeable with other Eaton 2000 Series motors.
Common Applications
Self-propelled sweepers, auger (earth drill) drives, agricultural planters and sprayers, combine header augers, industrial mixers and conveyors, wood chippers, winches, etc.
