Gear Manufacturing Categories | Coefficients for C ma | ||
A 1 | A 2 | A 3 | |
Open drives /Form cut gears | 0.247 | 0.657 | 0.119 |
Commercial quality (enclosed) | 0.127 | 0.622 | 0.01442 |
Precision quality (enclosed) | 0.0675 | 0.504 | 0.144 |
High precision quality (enclosed) | 0.0036 | 0.402 | 0.127 |