Customized Transmission Gear Shaft with Gear Milling for High-Performance Applications

1)Features of Transmission Gear Shaft

• The defining characteristics of future gear shafts will be ‘composite materials’ and ‘intelligent functionality’. For instance, hybrid structures combining carbon fibre composites with metals may be employed, or fibre optic sensors embedded within the shaft to monitor internal stress, temperature and deformation in real time.
• Additive manufacturing (3D printing) technology enables the production of gear shafts featuring intricate internal cooling oil channels or biomimetic topological structures – capabilities beyond the scope of traditional subtractive manufacturing processes.

2)Functions of Transmission Gear Shaft

• Its function will evolve from a passive power transmission component into an “intelligent structural element” with integrated sensing capabilities. Not only will it transmit force, but it will also “perceive” its own health status and wirelessly transmit this data to the control system.
• Within the digital twin model, each physical gear shaft corresponds to a virtual counterpart, enabling real-time prediction and simulation of its remaining service life and performance degradation.

3)Applications of Transmission Gear Shaft

Primarily applied in fields demanding the utmost performance from future equipment: such as precision reducers for humanoid robot joints, requiring gear shafts that are exceptionally lightweight, compact and backlash-free; within the electric drive systems of electric vertical take-off and landing (eVTOL) aircraft, demands for power density and reliability have reached unprecedented heights, driving innovation in gear shaft technology.