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Core Functionality
Hydrostatic winch reducers combine hydraulic motor power with precision gearing to deliver controlled linear pulling force, featuring:
Infinite speed variability (0 to max RPM without gear shifting)
Load-holding capability (integrated brake systems)
Overload protection (pressure-compensated control)
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Key Components
Component | Technical Specification |
Hydraulic Motor | High-torque radial piston design (e.g., MS series) |
Planetary Gearbox | 3-5 stage reduction (50:1 to 200:1 ratios) |
Brake System | Spring-applied, hydraulically released |
Drum Interface | Splined/shaft mount options |
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What Are Their Competitive Advantages?
Stepless Precision Control
Achieves infinitely variable speed from 0.1m/min to 30m/min via hydraulic proportional valves
±1% speed stability (under 20%-100% load fluctuations)
Extreme Load Capacity
Withstands instantaneous shock loads up to 300% of rated capacity
Continuous working pressure 350bar (400bar peak for 1 minute)
Efficient Energy Management
65% energy recovery during lowering operations
92% total system efficiency (ISO 4409 certified)
Compact Integrated Design
Combined motor+gearbox+brake unit
40% space savings compared to electric drives
Smart Maintenance Features
Built-in multi-parameter sensors (vibration/temperature/pressure)
Predictive maintenance (200-hour advance fault warning)
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The Drawing and Technical Parameters
Model | Output Torque Tmax Nm | Ratio | Hydraulic motor | Max.input Speed r/min | Braking Torque max. Nm | Brake Press. Mpa | Weight | |
GFT80W3 | 80000 | 77 | A2FE107 A2FE125 A2FE160 A2FE180 | A6VE 107 A6VE 160 | 3500 | 1000 | 1.8-5 | 355 |
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Industry Application Analysis
Marine Engineering
1. Mooring Systems:
Corrosion-resistant coating (5,000-hour salt spray test)
±2% dynamic tension control accuracy
2. Deep-sea Winches:
Automatic spooling for 6,000m cables
<50ms wave compensation response
Mining Operations
1. Mine Hoists:
Explosion-proof design (Ex d IIC T4 certified)
Controlled emergency braking at 0.3m/s⊃2; deceleration
2. Open-pit Draglines:
Self-cleaning gearbox prevents rock jamming
2,000-hour maintenance-free operation
Construction Projects
1. Pile Drivers:
±3% impact energy control accuracy
100,000-cycle impact life verified
2. Bridge Cranes:
Millimeter-level positioning
Anti-sway control algorithms
Forestry Equipment
1. Yarders:
Special seals resist tree sap corrosion
Instant overload protection
2. Log Handling:
Wireless remote-control interface
Dual anti-overwind protection
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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: How can I order from your company?
A: After you confirm the model and price, then we will make PI, you can send us deposit base on PI. After we get the deposit, we will produce it for you. If the goods are finished, then you can pay us balance payment. Finally, you can arrange the shipment.
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 the same as REXROTH GFT series.
Q: How's your warranty period?
A: We can give you one year after sales warranty.
Q: What's your ready time?
A: Normally our ready time is 30-60days, it is based on the models and your quantity.
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