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Fundamental Definition
The Rexroth GFT (Gearbox for Travel Drives) is an integrated travel drive system developed by Bosch Rexroth, delivering efficient power transmission solutions for mobile equipment through the seamless integration of hydraulic motors and planetary gear reducers. Its core positioning includes:
Functional Positioning: Terminal conversion device transforming hydraulic energy into mechanical travel force
Technical Positioning: Mechatronic-hydraulic integrated module combining precision transmission, intelligent control, and condition monitoring
Market Positioning: Standard configuration for mid-to-high-end construction machinery travel systems
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System Architecture
1. Power Input Unit
Bent-axis axial piston motors (A6VM/A10VO series)
Displacement range: 28-500 cm³/rev
Control modes: Pressure/flow/power adjustable
2. Speed Reduction Unit
Planetary gear system:
Sun gear: 17CrNiMo6 carburized steel
Planet gears: Herringbone tooth design
Ring gear: High frequency hardened internal teeth
Reduction stages: 3-4 levels (configurable by torque requirements)
3. Functional Modules
Braking system: Multi-disc wet safety brake
Cooling system: Integrated cooling fin assembly
Smart components: IoT sensor kit
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What Are Their Advantages?
1. High Power Density & Efficiency
Compact Design: Optimized gear geometry and materials enable high torque transmission in a small footprint, ideal for space-constrained applications.
Energy Efficiency: Precision gear meshing minimizes energy loss (up to 98% efficiency in some models), reducing operational costs.
2. Modularity & Flexibility
Customizable Configurations: Supports modular combinations (e.g., integrated motors, reducers, brakes) for diverse industrial needs (e.g., conveyor systems, machine tools, cranes).
Standardized Interfaces: Seamless integration with other Rexroth products (e.g., servo motors, hydraulic systems) or third-party equipment.
3. Reliability & Durability
Industrial-Grade Materials: High-strength gears and bearings resist wear and shock loads.
Long Service Life: Advanced lubrication and sealing technologies reduce maintenance, even in harsh environments (dust, high temperatures, etc.).
4. Low Noise & Vibration
Precision Engineering: Optimized gear profiles (e.g., helical or planetary gears) ensure smooth operation with noise levels well below industry standards.
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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 | |
GFT450T4 | 450000 | 320 | A2FE180 A2FE250 A2FE355 A2FM500 | A6VE160 A6VE250 A6VM200 A6VM355 | 3500 | 1450 | 1.8~5 | 1305 |
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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 about your price?
A: Yes, our prices are in line with quality, we offer competitive conditions, European quality, affordable prices.
Q: How long is the lifespan of the GFT450T4 Travel Drive?
A: With normal use and regular maintenance, the GFT450T4 Travel Drive can last for several years, depending on the working environment and intensity of use.
Q: What are the technical specifications of the GFT450T4 Travel Drive?
A: Rated torque, Maximum speed, Weight, Suitable equipment weight range.
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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