The RV gearbox plays a vital role in the casting process of automotive aluminum alloy, specifically in the operation of the seventh axis robot. By expanding the operational range and eliminating arm limitations, it assists the casting robot in achieving optimal casting results. With its high rigidity and precision, the RV gearbox ensures quality by serving as the gear transmission method for the seventh axis. It acts as a "rhythm maestro," enabling segmental speed adjustments for a smoother casting process, minimizing overflow or interruption issues. This multifunctional mechanical arm joint combines high precision, large reduction ratio, and high torque, optimizing timing and enhancing casting quality. With its novel sealing device, the RV gearbox offers excellent protection and adaptability to various harsh working environments, making it an indispensable core component in the casting robot industry....