NB Ball Spline

NB,ボールスプライン,メーカー,滚珠花键,滾珠花鍵,BALL SPLINE,台灣代理商,agent



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NB Ball Spline

NB Ball Spline

The NB ball spline is a linear motion mechanism utilizing the rolling motion of ball elements that can sustain loads and transfer torque simultaneously.

The NB ball spline consists of a spline shaft withraceway grooves and a spline nut. The spline nut consists of an outer cylinder (main body), retainer, side rings, and ball elements that is designed and manufactured to achieve a reliably smooth motion.

It can be used in a wide variety of applications including robotics and transport type equipment.

  • The raceway grooves are machined to a radius close to that of the ball elements. The large ball contact area results in high load capacity and long travel life.

  • Spline shaft sizes with diameters from 4mm to 100mm are available. Several types of Spline nut are available: cylindrical types (SSP/SSPM), and flange types (SSPF/SSPT). Material option of Stainless steel (SUS440C or equivalent) is also available. They can be specified to suit various applications.

  • Due to the effective contact angle between the raceway grooves and the balls, the NB ball spline can transfer large torque. By adjusting preload it is possible to obtain a higher rigidity and a higher positioning accuracy.

  • Since a round shaft with raceway grooves is used, NB ball spline shafts can be easily machined to customized specifications.

  • The outer cylinder is compact and well balanced, resulting in good performance at high speed.

  • The NB ball spline SSP-AM type has a smaller splinenut diameter compared to the conventional SSP type nut on the same shaft diameter. The SSP-AM type is best suited for the chip-mounter head device and the multiaxial applications. Anti-corrosion type is also available.