BH hydraulic motor
4 month ago
Product details
BS hydraulic motor TMPH hydraulic motor
BGM1 hydraulic motor BGM3 hydraulic motor
I. Product Positioning and Series Classification
1. BMP Hydraulic Motors
• Positioning: Mid-speed, mid-torque general-purpose hydraulic motors for construction machinery, agricultural equipment, and industrial drive systems.
• Design Features:
• Axial piston swashplate design: Variable displacement via swashplate angle adjustment for stepless speed control.
• Modular construction: Supports multiple displacement options (e.g., 80–250 cm³/rev), flange types, shaft configurations, and port orientations.
• High efficiency: Mechanical efficiency 85%–88%, volumetric efficiency 90%–92%.
• Pressure resistance: Rated pressure 210 bar, peak pressure 280 bar.
• Typical Applications:
• Excavator slewing drives, crane winch systems, concrete mixer truck drives.
2. BMRW Hydraulic Motors
• Positioning: High-speed, low-torque compact hydraulic motors designed for lightweight equipment, automation systems, and precision control.
• Design Features:
• Radial piston gerotor design: Multi-action radial pistons reduce speed fluctuations.
• Ultra-thin profile: 30% shorter axial length for space-constrained installations.
• High-speed adaptability: Maximum speed up to 1,800 rpm (no-load).
• Low noise: Operating noise <65 dB (full-load).
• Typical Applications:
• Agricultural harvester conveyors, automated sorting systems, robotic joint drives.
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II. Core Parameter Comparison
【表格】
Parameter BMP Hydraulic Motor BMRW Hydraulic Motor
Structure Type Axial piston swashplate Radial piston gerotor
Displacement Range 80–250 cm³/rev (standard) 30–120 cm³/rev (standard)
Rated Pressure 210 bar (continuous) 160 bar (continuous)
Peak Pressure 280 bar 220 bar
Speed Range 0–800 rpm (no-load) 0–1,800 rpm (no-load)
Full-Load Speed 0–500 rpm 0–1,200 rpm
Peak Torque 400–1,500 Nm (displacement-dependent) 100–400 Nm (displacement-dependent)
Mechanical Efficiency 85%–88% 82%–85%
Volumetric Efficiency 90%–92% 88%–90%
Weight (Reference) 25–40 kg (displacement-dependent) 15–25 kg (displacement-dependent)
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III. Design Differences and Performance Characteristics
1. BMP Hydraulic Motors
• Advantages:
• High torque output: Ideal for heavy-duty starting and low-speed steady operation.
• Pressure adaptability: Withstands frequent pressure spikes for extended service life.
• Easy maintenance: Modular design simplifies seal and bearing replacement.
• Limitations:
• Lower maximum speed; efficiency declines at high RPM.
• Longer axial length requires ample installation space.
2. BMRW Hydraulic Motors
• Advantages:
• High-speed response: Suitable for frequent start-stop and dynamic adjustment.
• Compact structure: Radial dimensions minimized for tight spaces.
• Low noise: Radial piston design reduces vibration and impact.
• Limitations:
• Lower torque output; unsuitable for direct heavy-load driving.
• Higher oil cleanliness requirements (NAS 7 or better).
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IV. Application Scenarios and Selection Guidelines
1. BMP Hydraulic Motor Applications
• Heavy-Duty Equipment:
• Excavator slewing mechanisms (stable low-speed rotation).
• Crane luffing systems (high torque output).
• Industrial Systems:
• Die-casting machine clamping units (continuous pressure holding).
• Mining conveyor belt drives (shock-resistant design).
2. BMRW Hydraulic Motor Applications
• Lightweight Equipment:
• Agricultural harvester threshing drums (high-speed rotation).
• Automated logistics sorting lines (rapid start-stop).
• Precision Control:
• Robotic joint drives (low noise, compact structure).
• Medical equipment rotating tables (smooth low-vibration operation).
3. Key Selection Steps
1. Determine Load Requirements:
• Calculate required torque (Nm) and speed (rpm).
• Example: For 800 Nm torque at 300 rpm, prioritize BMP (e.g., 160 cm³/rev model).
2. Match System Pressure:
• Verify hydraulic pump output pressure aligns with motor ratings.
• BMP: 210 bar (continuous), BMRW: 160 bar (continuous).
3. Validate Mounting Interfaces:
• Check shaft dimensions (e.g., keyway width), flange bolt patterns, and port threads (e.g., G1/2 or NPT3/8).
4. Consult Suppliers:
• Provide load profile diagrams for customized selection reports.
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V. Common Issues and Solutions
【表格】
Issue BMP Hydraulic Motor Causes BMRW Hydraulic Motor Causes Solutions
Motor Overheating Insufficient cooling or high oil viscosity Internal leakage or excessive speed Enhance cooling, use lower-viscosity oil
Insufficient Torque Low system pressure or undersized displacement Worn bearings or port plate failure Adjust pressure valve, select larger displacement
Abnormal Noise Worn pistons or swashplate misalignment Stuck radial pistons or housing resonance Replace piston assembly, reinforce mounting structure
Severe Leakage Aged seals or damaged port threads Housing pitting or port plate seal failure Replace seals, return for housing repair
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Suppliers
Ningbo Hengnuo Hydraulic Drive Co.,Ltd
Audited supplier
4 year
Main Product:
hydraulic motor,
gear box,
hydraulic pump,
hydraulic valve ,
hydraulic winch,
hydraulic system