Before discussing the applications of precision ball spline, you must know what a ball spline is?
Ball spline utilizes balls housed in spline bearing sleeves, rolling smoothly in finely ground grooves while transmitting torque. Thanks to the unique COMTOP transmission technology's distinctive design, the screw thread processing offers a larger contact angle of 40°. In addition to high sensitivity, it significantly enhances load-bearing capacity. It can effectively perform in environments with excessive vibration and impact loads, high positioning accuracy requirements, and where high-speed motion performance is needed.
Factors Contributing to the Damage of Ball Splined Shafts
Overload-induced damage
Under good sealing conditions, overload is often one of the main factors leading to the damage of imported ball spline shafts. Overload causes premature fatigue of the ball spline material and the chipping and peeling off of the raceway surface material. Initially, this occurs in small areas around the screw thread, but spreads rapidly. With continuous use, the cracked and peeled material in the TBI screw support will expand to both the inner and outer raceways and the surface of the steel balls. Generally, damage caused by overload starts from the inside, with the ball track on the raceway particularly wide.
2. Damage caused by domestic defects
Serious impact on imported ball spline shafts occurs with misalignment to China. When misaligned and not perpendicular, steel balls may be forced into the track edges, causing the rolling path of the balls to歪斜. Excessive歪斜 can lead to damage to the retaining bracket.
Applications for Precision Ball Splines
Ball splineiMedical Equipment Application: Used in medicaliThe ball spline surface of the therapy equipment has been treated with black RAYDENT, featuring Jiangsu screw shafts that ensure no rusting for eight years in harsh environments.
Ball spline applications in small SMT machines: The shaft outer diameter of ball spline products used in SMT machines and chip inspection equipment is φ4mm in recent years.
Ball spline usage in SMT machines/IC inspection equipment: The ball spline accessories used in SMT machines/IC inspection equipment in South Korea hold an 85% market share, featuring a vertical and horizontal linear motion speed of 0.09/sec, with a lifespan of at least 4 years when operating for 8 hours a day.
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