Ball screw spline structure

Ball spline uses balls installed inside the nut of the spline shaft outer cylinder to roll and transmit torque in grooves. It is suitable for environments with excessive oscillation impact load effects, high positioning accuracy requirements, and high-speed motion functions. The additional load of ball spline is more than ten times that of linear bushing, so it can make the planning very delicate. Even under cantilever load, torque and other effects, it can be safely used and has high durability.
Ball spline structure: Ball splines can be divided into two types: flange type SLF and flange free SLT. Due to the different shaft diameters, the number of steel ball rings can be divided into 2 rows (steel balls horizontally distributed 180 ° parallel) (diameter specifications: SLF/SLT6~20) and 4 rows (steel balls vertically distributed 90 °) (diameter specifications: SLF/SLT25~50). In addition, hollow shafts are also available for selection and use.
The advantages of ball spline; The groove of the high load capacity ball bearing is ground and formed, and the Gothic 40 ° angle touch is selected, so it has a large load capacity in both radial and torque directions. Zero clearance in the direction of rotation, by selecting 2-4 rows of relative ball bearings with a contact angle of 40 °, the spline shaft is combined with the spline outer cylinder, and the clearance in the direction of rotation can be zero by adjusting the preloading method.
high load capacity
The rolling groove of the ball is precision researched and formed, and adopts Gothic 40 angle contact. Due to the large contact angle, it has a large fish load capacity in both radial and torque directions.
Zero clearance in rotation direction
By using 2-4 rows of relative ball bearings with a contact angle of 40 °, the spline shaft is simply combined with the spline outer, and the clearance in the rotation direction can be zero by adjusting the preload method.
Highly sensitive
Due to the special design of the contact point of the steel ball, it is more sensitive in addition to high rigidity and can reduce energy waste.