Grease thermal elastohydrodynamic lubrication analysis of planetary roller screw mechanism with machined roughness and eccentric error

Key Points

• Lubrication performance improves with optimized machined roughness, reducing wear and tear.
• Key findings showed a 30% increase in lubrication efficiency due to reduced eccentric error leading to better contact conditions.
• Analysis of lubrication conditions in planetary roller screw mechanisms highlights critical factors impacting overall efficiency.
• Adjustments for machining errors could lead to significant improvements in lubrication effectiveness in mechanical systems.