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Product Line Overview
The GFT series represents Rexroth's heavy-duty planetary gearboxes specifically engineered for travel drives in mobile equipment. Key characteristics include:
Torque Range: 5,000-60,000 Nm
Reduction Ratios: 40:1 to 120:1
Mounting Options: SAE A/B/C/D flanges, direct motor integration
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What Is The Advantage of Gft Series Planetary Gearbox?
Engineering Design & Performance Advantages
1. Exceptional Torque Density
40% higher torque-to-weight ratio than peers (GFT32T3 achieves 520Nm/kg)
18CrNiMo7-6 carburized steel gears withstand 2,500MPa contact stress
2. Precision Transmission Control
Planetary gear set division error <0.02mm, achieving >95.5% efficiency
Optional dual planetary carrier reduces backlash to <3 arc-min (instrument-grade precision)
3. Extreme Condition Adaptability
Cold-start capability at -40°C (pre-filled with specialty synthetic grease)
IP69K rating withstands 150bar high-pressure washdown
Economic Benefits
1. Maintenance Costs:
Oil change interval extended to 2,000 hours (vs. industry average 1,000 hours)
Spin-on filter design reduces replacement time to 15 minutes
2. Energy Efficiency:
Optimized flow channels cut pressure loss by 30% (measured ΔP<5bar@200L/min)
65% regenerative braking efficiency (hybrid versions)
Industry-Specific Advantages
1. Mining Equipment:
Shock-resistant design (withstands 3.8x rated torque)
Self-cleaning housing (prevents rock jamming)
2. Port Machinery:
ISO 12944 C5-M corrosion resistance
2,000-hour maintenance-free operation (container handling)
3. Renewable Energy:
Compatible with e-motors (4,000rpm max speed)
Low-backlash version (<1 arc-min) for solar tracking
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The Drawing and Technical Parameters
Model | Output Torque Max Nm | Ratio | Hydraulic motor | Max input Speed r/min | Braking Torque Max.Nm | Brake Press. Mpa | Weight =kg | |
GFT17T2 | 17000 | 25 | A2FE45 | A6VE55 | 3500 | 450 | 1.8-5 | 90 |
Model | Output Torque Tmax Nm | Ratio | Hydraulic motor | Max.input Speed r/min | Braking Torque max. Nm | Brake Press. Mpa | Weight | |
GFT17T3 | 17000 | 64 | A2FE28 | A6VE28 | 3500 | 450 | 1.8~5 | 90 |
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Failure Analysis
Top 3 Field Issues:
1. Seal Leakage (72% cases)
Root Cause: Abrasive wear from contaminated oil
Solution: Upgrade to T3 seal kit (P/N: R9006xxxxx)
2. Bearing Spalling (18%)
Detection: High-frequency vibration >7mm/s RMS
Prevention: Strict adherence to alignment tolerances
3. Gear Pitting (10%)
Critical Factors:
Oil viscosity <ISO VG 68
Overloading >150% rated torque
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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: Is the GFT17T3 Travel Drive customizable?
A: Yes, the GFT17T3 can be customized to meet the specific needs of different equipment, such as adjusting torque output, size, or mounting methods to suit various applications.
Q: How long is the lifespan of the GFT17T3 Travel Drive?
A: With normal use and regular maintenance, the GFT17T3 can last for several years, depending on the working environment and intensity of use.
Q: What are the technical specifications of the GFT17T3 Travel Drive?
A: Rated torque, Maximum speed, Weight, Suitable equipment weight range.
Q: Is your brand can be perfectly replaced and interchanged?
A: Yes, our models are the same as REXROTH GFT series.
Q What's your MOQ?
A:1 set
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