Table 2 Macro-geometry of gear pairs.
From: Effects of manufacturing errors of gear macro-geometry on gear performance
Description | Symbol | Gear pair 1 | Gear pair 2 |
---|---|---|---|
Normal module (mm) | \(m_{n}\) | 2.5 | 3.0 |
Normal pressure angle (°) | \(\alpha_{n}\) | 20 | 22.5 |
Helix angle (°) | \(\beta\) | 5 | 15 |
Number of teeth of pinion | \(z_{1}\) | 35 | 27 |
Number of teeth of wheel | \(z_{2}\) | 47 | 36 |
Face width (mm) | b | 20 | 20 |
Profile shift coefficient of pinion | \(x_{n}^{*}\) | āāā0.451 | 0.370 |
Center distance (mm) | \(a_{w}\) | 101 | 101 |