Optimal for a mechanism that performs linear motion while transmitting torque.
The ball spline is a revolutionary linear motion system that allows torque transmission while a ball, incorporated into the spline nut, moves smoothly in a straight line along the rolling surface of a precisely ground spline shaft. Moreover, unlike conventional structures, it provides preload with a single spline nut, enabling high performance in harsh applications where vibration and impact loads occur, in areas requiring high precision positioning, and in situations demanding high-speed motion performance. Additionally, when used as a substitute for linear bushes, it has a rated load that is several times greater than that of the same shaft diameter, allowing for a compact design. This makes it usable even in cases where overhang loads and moments are applied, resulting in high safety and long lifespan.
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basic information
There are three types of ball splines: medium torque type, high torque type, and rotary type, allowing for selection based on purpose. Additionally, each type offers a variety of spline nut shapes to choose from according to installation and usage needs. Details vary by product model, so please request a catalog.
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Company information
THK pioneered the "rolling" of linear motion components in machines in 1972 and developed the "linear motion system." The development of this "linear motion system" has led to increased precision, speed, labor-saving, and improved efficiency in machinery, enabling energy-efficient equipment design. All of THK's technology is focused on providing greater lightness and precision to the "movement" of various mechanisms, bringing numerous innovations to the world. 【THK's Main Product Areas】 1. Mechanical Component Parts: - Development, manufacturing, and sales of LM guides, ball splines, ball screws, electric actuators, etc. 2. Mechatronics Related Products: - Precision XY stages, linear motor actuators, etc. 3. Automotive Parts: - Link balls, rod ends, etc. 4. Robotics: - Pick and place robots "PPR," transport robots "SIGNAS," service robots "SEED-Solutions" (including display robots and temperature measurement robots), etc. 5. Seismic Isolation: - Seismic isolation tables TSD, seismic isolation modules TGS.
