101-1033-009 Hydraulic Orbit Motor

2 month ago

8 0 

4 year

Product details

The part number 101-1033-009 identifies a low-speed, high-torque hydraulic orbit motor from the Eaton Char-Lynn S Series. This hydraulic motor features a geroler design and is widely integrated into mobile and industrial hydraulic systems that require reliable direct rotary drive without a gearbox.

1. Part Number Breakdown

· 101 — Series code, denoting the Char-Lynn S Series hydraulic motor.

· 1033 — Displacement code, indicating a nominal displacement of 10.3 in³/rev (approx. 169 cc/rev).

· 009 — Configuration code, defining a 1.25-inch straight shaft with key, a standard 4-bolt flange, and side ports — a common interface in many hydraulic systems.

2. Key Performance Parameters of the Hydraulic Orbit Motor

Item Parameter

Displacement 10.3 in³/rev (≈ 169 cm³/rev)

Max. Continuous Pressure Drop 2500 psi (≈ 172 bar)

Max. Intermittent Pressure Drop 3000 psi (≈ 207 bar)

Continuous Torque Output ≈ 4,100 lb-in (≈ 463 N·m)

Max. Continuous Flow 30 gpm (≈ 114 L/min)

Continuous Speed Range 10 – 673 rpm

Max. Output Power ≈ 32 hp (≈ 24 kW)

3. Physical Configuration (Code -009)

· Shaft: 1.25-inch straight shaft with a 1/4-inch square key, providing a robust mechanical interface in any hydraulic system.

· Mounting Flange: Standard 4-bolt flange (3.25-inch pilot diameter, 4.188-inch bolt circle, bolts 3/8-16 UNC).

· Ports: Main working ports are SAE 7/8-14 UNF O-ring side ports. This hydraulic motor also requires a case drain line (SAE 1/4) plumbed directly back to the reservoir to maintain proper hydraulic system pressure balance.

· Interchangeability: This configuration makes the hydraulic orbit motor a direct dimensional match for many industry-standard mounts, simplifying replacement.

4. Technical Features of the Hydraulic Motor

· Geroler design: The heart of this hydraulic orbit motor, delivering smooth high torque at low speeds, ideal for direct-drive applications.

· Pressure-balanced plate: Automatically maintains optimum internal clearance, ensuring high volumetric efficiency over the life of the hydraulic motor and keeping your hydraulic system performing reliably.

· Bi-directional capability: Symmetrical internal construction provides equal performance in both rotational directions, offering flexibility in hydraulic system circuit design.

· Robust construction: Built with needle roller bearings and high-pressure shaft seals, this hydraulic orbit motor is engineered for demanding continuous-duty cycles.

5. Typical Hydraulic System Applications

This hydraulic orbit motor is commonly employed in the following hydraulic systems:

· Agricultural equipment (augers, sprayers, small conveyors)

· Construction machinery (sweeper brooms, compact trenchers, concrete vibrators)

· Industrial drives (winches, mixers, packaging machinery)

· Marine and offshore (small capstans, net haulers, hose reels)

101‑1033‑009 Hydraulic Orbit Motor

Product Overview

Brand: Eaton (formerly Char‑Lynn, now part of Danfoss)

Series: H‑Series low‑speed high‑torque gerotor hydraulic orbit motor

Model Code Explanation:

‑ 101 : Code for H‑Series motors

‑ 1033 : Displacement specification code, displacement: 5.9 in³/r ≈ 96.7 cm³/r

‑ 009 : Design and seal version code

Key Technical Specifications

‑ Displacement: 96.7 cm³/r (5.9 in³/r)

‑ Mounting: 2‑bolt flange, pilot diameter 82.6 mm (3.25")

‑ Output Shaft: 25.4 mm (1") straight shaft with woodruff key

‑ Ports: #10 SAE ORB (7/8"‑14 O‑ring boss thread)

‑ Pressure Rating: Continuous 1650 psi (11.4 MPa), Intermittent 2250 psi (15.5 MPa)

‑ Torque Output: Approx. 1368 in‑lb (154 Nm) continuous; approx. 1829 in‑lb (207 Nm) intermittent

‑ Rotational Speed: Max continuous 585 RPM

‑ Flow Rate: Max continuous 15 GPM (57 L/min)

‑ Weight: Approx. 7.3 kg (16 lbs)

Structure & Features

‑ Structure: Composed of stator‑rotor assembly with one‑tooth difference, valve plate, splined shaft and high‑pressure seals.

‑ Features: Low‑speed high‑torque output, low starting pressure, bi‑directional rotation, compact structure and good shock resistance.

‑ Seal: High‑pressure shaft seal suitable for harsh working conditions.

Typical Applications

‑ Agricultural machinery: Harvesters, winches, conveyor drives

‑ Construction machinery: Loaders, drilling rigs, small‑sized winches

‑ Industrial equipment: Conveyors, mixers, winders

101-1033-009 Hydraulic Orbit Motor: Technical Analysis and Application in Hydraulic Systems

1. Core Functions of Hydraulic Motor

A hydraulic motor is a key actuator in hydraulic systems, converting hydraulic energy (provided by a hydraulic pump) into mechanical energy (torque and rotational speed) to drive loads in rotary motion. While hydraulic motors and pumps share reversible functions, structural optimizations differ due to varying operational conditions (e.g., bidirectional rotation requirements, sealing performance).

Features of Model 101-1033-009:

• Type: Hydraulic Orbit Motor (Gerotor Motor), utilizing an internal gearing design with a stationary inner gear (stator) and a rotating outer gear (rotor). It forms sealed chambers through planetary reduction principles.

• Structural Advantages:

• Compact and Lightweight: Small size, low weight, and high power density (output power up to 13.0 kW, torque up to 680 N·m).

• High Efficiency and Low Noise: Volumetric efficiency exceeds 85%, with smooth operation and minimal noise.

• High-Pressure Resistance: Shaft seals withstand high-pressure differentials (up to 22.5 MPa), supporting series or parallel configurations.

• Technical Specifications:

• Displacement range: 36–500 cc/rev

• Maximum speed: 1,650 rpm

• Flow rate: Up to 75 L/min

• Output shaft diameters: 25.4 mm / 25 mm / 22.22 mm

2. Application of Hydraulic Orbit Motor in Hydraulic Systems

A hydraulic system comprises power components (hydraulic pumps), actuators (hydraulic cylinders/motors), control components (valves), auxiliary components (tanks, filters), and working fluid (hydraulic oil). The101-1033-009 Hydraulic Orbit Motor, as an actuator, is widely used in:

• Construction Machinery: Rotary mechanisms in excavators and loaders, as well as rotational operations of log grapples (e.g., Shanghai Shuangxu BH-630 grapple motor with 630 cc/rev displacement and 25 MPa rated pressure).

• Marine Machinery: Steering gears and deck crane drives, leveraging the motor’s low-speed, high-torque capabilities for precise control.

• Industrial Equipment: Rotary components in injection molding machines and metallurgical equipment, requiring high starting torque and bidirectional switching.

• Agricultural Machinery: Hydraulic transmissions in tractors and harvesters, where the motor’s robustness against contamination suits harsh operating conditions.

Key System Matching Considerations:

• Pressure and Flow Matching: Select motor displacement based on load requirements to ensure system pressure stays within rated limits (e.g., 22.5 MPa max pressure drop for 101-1033-009).

• Oil Cleanliness: Equip systems with filters rated below 20 μm to prevent contaminants from entering gear chambers, extending service life.

• Cooling and Lubrication: Ensure oil circulation for heat dissipation during high-speed operation to avoid volumetric efficiency degradation.

3. Technical Advantages of Hydraulic Orbit Motor

Compared to gear or vane motors, orbit motors offer distinct benefits in hydraulic systems:

【表格】

Characteristic Gerotor Orbit Motor Gear Motor Vane Motor

Torque Output High torque density, ideal for heavy-load startups Torque pulsation, poor low-speed stability High speed but low torque

Efficiency Volumetric efficiency >85%, high mechanical efficiency Poor sealing, lower volumetric efficiency High leakage, unstable at low speeds

Compactness Small size, direct load coupling (no reducer needed) Bulky, requires additional reducer Complex structure, high inertia

Typical Applications Low-speed, high-torque scenarios (e.g., grapples, steering gears) High-speed, light-load tasks (e.g., fan drives) Automation equipment with frequent reversing

4. Selection and Maintenance Guidelines

• Selection Principles:

• Choose displacement based on load speed requirements (e.g., prioritize large displacement for low-speed, high-torque needs).

• Verify system pressure and flow compatibility with motor ratings (e.g., 0–75 L/min flow range for 101-1033-009).

• Maintenance Tips:

• Regularly replace hydraulic oil and filters to maintain cleanliness (NAS Class 6 or better).

• Inspect shaft seals for leaks and replace seals promptly.

• Avoid prolonged overload operation to prevent gear wear or bearing damage.

Conclusion: The 101-1033-009 Hydraulic Orbit Motor stands out for its high power density, low-speed stability, and high-pressure resistance, making it ideal for construction machinery, marine systems, and other heavy-duty applications. Proper motor parameter matching and maintenance are critical to optimizing performance in hydraulic system designs.