Abstract
Considering the problem of frictional power loss on the tooth surface of a modified helical gear, a strategy for profile, lead and topological modifications of helical gear is proposed. Following tooth contact analysis and loaded tooth contact analysis, the computing algorithms for frictional power loss as well as friction coefficient under the condition of mixed elasto-hydrodynamic lubrication are presented. For profile, lead or topological modification, the relations between modification parameters and frictional power loss on the tooth surface are simulated. The simulation shows that modification amplitude has little influence on power loss in the case of profile modification, and the fluctuation of power loss is slight, so gear transmission performance is good. As to 4-order curve of lead modification, the power loss is affected greatly by the change of modification length, the fluctuation of power loss is large and has an adverse impact on transmission after increasing modification length. Compared with single lead modification, topological modification reduces the fluctuation of power losses in large modification length, and it is helpful to improve gear transmission performance.
| Translated title of the contribution | Frictional Power Loss on Tooth Surface of Modified Helical Gear Under Condition of Mixed Elasto-Hydrodynamic Lubrication |
|---|---|
| Original language | Chinese (Traditional) |
| Pages (from-to) | 11-17 |
| Number of pages | 7 |
| Journal | Hsi-An Chiao Tung Ta Hsueh/Journal of Xi'an Jiaotong University |
| Volume | 53 |
| Issue number | 1 |
| DOIs | |
| State | Published - 10 Jan 2019 |