Tham khảo tài liệu 'tribology - lubricants and lubrication part 8', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | 132 Tribology - Lubricants and Lubrication The results of calculation are presented in Fig. 8-17 . On the diagrams only those results can be seen where the gears have no undercut or too thin top land. Fig. 8. The power loss ratio of planetary gear KB KB as a function of gear ratio. Prescribed gearbox lifetime 5000 h Fig. 9. The power loss ratio of planetary gear KB KB as a function of gear ratio. Prescribed gearbox lifetime 50000 h 133 The Bearing Friction of Compound Planetary Gears in the Early Stage Design for Cost Saving and Efficiency Fig. 10. The power loss ratio of planetary gear PV as a function of gear ratio. Prescribed gearbox lifetime 5000 h 100 n 90 80 70 60 50 40 30 20 10 ----v tooth ib 2 -----v tooth ib 4 ----v tooth ib 6 -----v tooth ib 8 v bearing ib 2 v bearing ib 4 v bearing ib 6 v bearing ib 8 0 4 0 20 40 60 i PV 80 100 Fig. 11. The power loss ratio of planetary gear PV as a function of gear ratio. Prescribed gearbox lifetime 50000 h
