Design and experimental study of eccentric shaft planetary gear drive Reuleaux triangular cutterhead full-section rectangular tunnel boring machine

Key Points

• This study demonstrates enhanced performance in tunnel boring machines with a novel gear design.
• Key improvements include a 20% increase in efficiency, observed under varied operational conditions.
• Analysis includes experimental testing of an eccentric shaft planetary gear drive configuration.
• Findings suggest the new design may enable more effective and efficient tunneling, pending further trials.