The HIWIN Ball Spline is a rolling mechanical component specially designed for guiding linear motion. It consist of a nut, a shaft, and a retainer holding the steel balls. With the recirculation of steel balls between the nut and the shaft, high accuracy linear motion can be achieved. Angular contact designs are adopted for the steel balls to bear radial loads and torques. By integrating the nut and the bearing, the ball spline can bear high loads with the compact structure.
Three sets of loading steel balls with DF angular contact arrangements are kept inside the retainer, recirculating continuously. With the optimized design of the retainer, high speed and high accelerated guiding motion can be achieved. The steel ball holding design of the retainer can prevent the steel balls from falling off when removing the shaft from the nut.
Capable of torque transmissionComparing to the linear ball bearings, the steel balls is in angular contact condition, and the nut and the shaft is capable of transmitting the torque.
Integrated, compact structureBy integrating the nut and the bearing, the compact structure with high accuracy is realized.
Easy assemblyThe retainer will hold the steel balls during assembly process, preventing the steel balls from falling off when removing the shaft from the nut.
Lubrication pathThe grease is guided directly to the steel ball recirculating raceway by the optimized lubricating path design, improving the lubrication and increasing product life.
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