


1 MOD 45° Helical Gear 65-80T Heavy Duty
Inner Diameter:14mm / keyway 5*2.3 mm
Teeth:65 Teeth
Direction Of Rotation:Left Spiral
Quantity:
1 MOD 45° Heavy-Duty Helical Gear 65-80 Teeth | A-Type Left/Right Hand | 45# Alloy Steel
⚙️ Gear Profile
- • Module: 1 MOD
- • Teeth Range: 65-80T
- • Step Height: 8mm±0.03mm
🔩 Enhanced Specs
- • Surface Hardness: 52-55HRC
- • Torque Rating: 280N·m
- • AGMA Class 8 Standard
✅ Engineering Advantages
🔄 Dual Helix Design
Left/right hand options for complex gear train configurations
⚡ 0.025mm Runout
Precision ground teeth with ≤0.025mm radial eccentricity
🔊 Silent Transmission
45° helix angle reduces noise to ≤62dB at 1500rpm
📏 Precision Manufacturing Data
Parameter | Specification | AGMA Standard |
---|---|---|
Tooth Profile Error | ≤0.015mm | Class 8 |
Lead Deviation | ±0.02mm/100mm | Class 7 |
Surface Roughness | Ra 0.8μm | Class 9 |
🏭 Heavy-Duty Applications
- ✅ Mining Conveyors
- ✅ Wind Turbine Pitch Drives
- ✅ Steel Rolling Mills
- ✅ Marine Gearboxes
- ✅ Hydraulic Power Units
- ✅ Tunnel Boring Machines