The TBI SLT40 ball spline with black oxidation treatment offers superior durability and corrosion resistance for demanding CNC machine applications, combining precision motion control with enhanced surface protection. This specialized oxidation process creates a protective barrier that significantly improves wear characteristics while maintaining the component's critical dimensional tolerances and smooth operation. The dark oxide layer provides excellent resistance to environmental factors common in machining environments, including coolants, lubricants, and airborne contaminants, without compromising the spline's mechanical performance. Precision-ground raceways maintain their exacting specifications beneath the protective coating, ensuring consistent ball movement and load distribution throughout extended service life. The oxidation treatment works in harmony with the spline's optimized geometry to reduce friction and prevent galling, particularly beneficial in high-cycle CNC operations where reliability is paramount. Designed for integration in machining centers, automated tool changers, and precision manufacturing equipment, this treated spline demonstrates TBI's commitment to enhancing component longevity in challenging industrial conditions. The black surface finish also provides visual distinction for quality control in precision assemblies. The SLT40 series represents an ideal solution for CNC applications requiring both the motion accuracy of premium ball spline technology and the added protection of advanced surface treatment, offering machine builders a durable component that maintains performance standards even in rigorous operating environments. This oxidation-processed spline shaft exemplifies how surface engineering can enhance fundamental mechanical components for specialized industrial applications.

②Features of TBI Ball Splines

③Model Number of ball screw series

④SLF,SLT Spline Shaft Cross-Sectional Shape

⑤All type of TBI MOTION Ball Spline

④Actual product photo