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Hydrostatic Reducer Technical Analysis
The hydrostatic reducer is a core power regulation device in hydraulic transmission systems, enabling precise speed control and torque amplification through efficient conversion between hydraulic and mechanical energy. Below is a professional technical description.
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Core Definition
The Hydrostatic Reducer is an integrated compound transmission device combining a hydraulic motor with a planetary gear reduction mechanism. It operates on hydrostatic principles (Pascal's Law) to achieve:
Stepless speed regulation (continuously adjustable from 0 to max)
Torque multiplication (typical reduction ratios of 50:1 to 100:1)
Bidirectional power transmission (seamless forward/reverse switching)
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What is the advantages of Hydrostatic Reducers
Hydrostatic reducers offer unique performance benefits that make them indispensable in heavy-duty industrial applications. Here are their key advantages:
1. Superior Power Density
Delivers 3-5x higher torque output than mechanical reducers of equivalent size
Achieves power-to-weight ratios exceeding 300 Nm/kg in compact designs
Enables direct mounting on wheel hubs without intermediate drivelines
2. Precision Motion Control
Provides true stepless speed regulation (0 to max RPM with infinite variability)
Maintains ±1% speed accuracy under fluctuating loads
Enables micro-meter level positioning in closed-loop systems
3. Extreme Load Capability
Withstands 500% momentary overloads without damage
Features shock-resistant gear teeth (case-hardened to HRC 60+)
Incorporates pressure-compensated bearings for impact loads
4. Energy Efficiency
Achieves system efficiencies up to 92% with optimized hydraulics
Enables regenerative braking (recovering >60% of deceleration energy)
Reduces idling losses by 70% compared to mechanical transmissions
5. Environmental Adaptability
Operates reliably in -40°C to 120°C temperature ranges
Withstands IP69K protection (high-pressure washdown environments)
Features corrosion-resistant coatings (500+ hour salt spray test)
6. Maintenance Benefits
5x longer service intervals than gear reducers (up to 10,000 hours)
Modular design allows component-level replacement
Condition monitoring ports for predictive maintenance
7. Application Flexibility
Seamless bidirectional operation without clutch engagement
Torque multiplication up to 200:1 in single-stage units
Mounting position independence (any orientation operation)
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The Drawing and Technical Parameters
Model | Torque (N.m) | Speed (r/min) | Reduction Ratio | Pressure (MPa) | Total | Hydraulic motor | Gross weight (Kg) | Approx. weight of machine (T) | |||
Rated | Max. | Rated | Max | Model | Displacement (ml/r) | ||||||
BKY2-460F01Z | 950 | 1200 | 3-138 | 5.75 | 16 | 21 | 463 | BM5-80 | 80.5 | 28 | 0.5~0.8 |
BKY2-570F01Z | 1100 | 1450 | 3-130 | 5.75 | 16 | 21 | 575 | BM5-100 | 100 | 28 | 0.6~1.0 |
BKY2-715F01Z | 1350 | 1700 | 3-110 | 5.75 | 16 | 21 | 722 | BM5-125 | 125.7 | 28 | 1.0~1.3 |
BKY2-920FO1Z | 1750 | 2300 | 3-83 | 5.75 | 16 | 21 | 918 | BM5-160 | 159.7 | 28 | 1.2~1.5 |
BKY2-1150FO1Z | 2200 | 3000 | 3-67 | 5.75 | 16 | 21 | 1150 | BM5-200 | 200 | 28 | 1.5~2.5 |
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Payment terms, Delivery and Service
Payment: 30%deposit,70% before shipment. All the payment can be negotiated, generally by T/T .
Delivery: 20-25 days after receipt of your payment.
Service: 24 hours online service, technical overseas service.
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FAQ
Q: What kind of equipment that I can used on this BKY2 travel motor?
A: It can be used in a lot of kinds, for example excavators, loaders, drilling rigs, agricultural machinery and so on.
Q: Can you supply customized service?
A: Yes, we can customize the gearbox according to your demand and OEM is also available.
Q: Is your brand can be perfectly replaced and interchanged?
A: Yes, our models are same as Kawasaki BKY series.
Q: How's your warranty period?
A: We can give you one year after sales warranty.
Q: What's your MOQ?
A: 1 set.
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