SUZHOU POLESTAR METAL PRODUCTS CO., LTD
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Smooth Grade 5 Aerospace-Grade Titanium Alloy CNC - Machined Drone Motor Shafts
Product Description:
Elevate your drone's performance with our premium Titanium Alloy CNC Drone Motor Shafts - the ultimate upgrade for demanding aerial applications. Meticulously crafted using aerospace-grade materials and state-of-the-art CNC machining, these motor shafts deliver unbeatable strength, precision, and reliability for professional drone operators and manufacturers.In real-world applications, these shafts excel in high-stress scenarios. During rapid acceleration and deceleration maneuvers, the titanium alloy's fatigue resistance - tested to endure over 10 million cycles without failure - prevents micro-cracks from forming, safeguarding the integrity of your drone's powertrain. For thermal management, the material's low coefficient of thermal expansion maintains tight tolerances even when operating in temperature extremes ranging from -40°C to 200°C, ensuring consistent performance across diverse climates.
Material Specifications:
Base Material: Titanium Alloy Ti-6Al-4V (Grade 5)
Material Certifications: MIL-T-9046J, AMS 4928
Manufacturing Process:
CNC Turning:
Equipment: Swiss-type CNC lathes (Citizen L32)
Tolerance: ±0.003mm (radial), ±0.01mm (axial)
Surface finish: 0.4μm Ra (standard), 0.2μm Ra (optional mirror polish)
Heat Treatment:
Solution treated at 955°C ±15°C
Water quenched
Aged at 538°C for 4 hours
Quality Control:
100% Dimensional inspection with optical comparators
Hardness testing (Rockwell C scale)
Dynamic balancing to G2.5 grade at 30,000 RPM
Mechanical Properties:
Tensile Strength: ≥895 MPa
Yield Strength: ≥828 MPa
Elongation: ≥10%
Fatigue Strength: 500 MPa @ 10⁷ cycles
Modulus of Elasticity: 113.8 GPa
Product Features:
Weight Optimization: 45% lighter than equivalent steel shafts (4.43 g/cm³ vs 7.87 g/cm³)
Thermal Stability: Maintains dimensional stability from -60°C to 400°C
Corrosion Resistance: Passes 1000-hour salt spray test (ASTM B117)
Wear Resistance: Surface hardness 35-40 HRC
Standard Sizes & Configurations
| Diameter (mm) | Length (mm) | Shaft Ends | Keyway Option |
|---|---|---|---|
| 3.175 | 20-50 | D-cut | Yes |
| 4.0 | 25-60 | Threaded | No |
| 5.0 | 30-80 | Smooth | Yes |
| 6.0 | 40-100 | Flanged | No |
Performance Data:
Maximum RPM: 55,000 (depending on length/diameter ratio)
Runout: <0.005mm TIR
Vibration levels: <0.5 m/s² at 30,000 RPM
Compatibility:
Designed to match leading drone motor specifications including:
T-Motor MN, U series
DJI E2000, E5000
KDE Direct 600XF
Xnova Lightning
Certifications & Compliance:
ISO 9001:2015 certified production
RoHS 3 (2015/863/EU) compliant
REACH SVHC <0.1%
DFARS compliant (US defense supply chain)
Applications:
High-performance FPV racing drones
Heavy-lift cinematography drones (8kg+ payload)
Military reconnaissance UAVs
Long-endurance mapping/surveying drones
Agricultural spraying UAVs
