AGMA 2001 gear rating is the calculated safety factor for gear tooth bending and surface durability per AGMA 2001-B88. Use the formula SF = σ_allowable / (Ft / (F × m × Y)) where Ft = tangential force, F = face width, m = module, Y = Lewis form factor per AGMA 2001-B88.
AGMA 2001 Gear Strength Calculator
Calculate gear tooth bending strength (Lewis method) and surface pitting durability per AGMA 2001-B88 for spur and helical gears. Validates against ISO 6336 limits.
Calculation Results
Tangential component of gear tooth force.
Computed bending stress at tooth root.
Computed contact stress at tooth flank.
Factor of safety against bending failure.
Factor of safety against pitting wear.
Calculation Summary
| Face Width | 20mm |
| Pitch Diameter | 100mm |
| Module | 4mm |
| Number of Teeth | 30 |
| Power Input | 5kW |
| Speed | 1500rpm |
| Allowable Bending Stress | 120MPa |
| Overload Factor (Ko) | 1.25 |
| Tangential Force | 25.00N KEY |
| Bending Stress | 25.00MPa |
| Surface Stress | 25.00MPa |
| Bending Safety Factor | 25.00 |
| Surface Safety Factor | 25.00 |
Mathematical Models & Equations
Ft = P / (π × D × n / 60)σ_b = Ft × P_d / (F × Y)σ_c = Cp × √(Wt / (d × F × I))Verification Calculation Log
- 1Retrieve input parameters from form controls.
- 2Substitute first active variable: Input = 20.
- 3Sprint 3 Placeholder: Formula computations will activate in future releases.
Engineering Application Notes
Implements AGMA 2001-B88 gear rating methodology for spur and helical gears. Calculates both bending and surface durability safety factors. Uses standard geometry factors and load distribution coefficients per AGMA methodology.
Standard Citations & References
- AGMA 2001-B88: Fundamentals Involute Profile
- ISO 6336: Calculation of Load Capacity of Spur Gears
- Shigley's Mechanical Engineering Design, Chapter 9