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Torque Transmission Standout

NB Ball Splines have no backlash because precisely ground (not drawn) raceways conform to the shape of the ball in the nut and shaft so opposing raceways have the same angles of contact. The spline shaft is straighter than the competitions’ – eliminating rotational vibration. They have recirculating steel balls on the side of the outer race that are designed for high speed rotation and to eliminate backlash. Designed for applications that may require both linear motion and superior torque transmission - from robotics to transport equipment. The large surface area of ball contact with grooved shaft results in high load capacity. Perfect for high-speed motion and high-speed rotation. NB Ball Splines are endlessly adaptable to high load linear motions. 16 standard and customizable shaft sizes with diameters from 4mm to 100mm. 7 different nut (the outer cylinder that retains the ball elements) styles. The various material options include Martensite stainless.

Topics:
Automation Medical Motion Control Robotics

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    Transcript

    00:00:04 nb's ball spline utilizes ball bearings as its rolling elements and consists of a nut and a spline shaft its movement is similar in principle to that of Ball Bush the primary difference from The Ball Bush is that both the spline shaft and the outer cylinder have the arch-shaped grooves which approximate the diameter of rolling balls

    00:00:33 in effect these arch-shaped grooves of the spline shaft and outer cylinder allow ball elements to come in contact in linear motion displacing the load this compared with a ball Bush's single point contact load capacity of one ball in the NB ball spline is increased about 10-fold compared with the same size Ball Bush the NB ball spline provides approximately 700 times greater travel

    00:00:59 life with the unique structure of the NB ball spline miniaturization of a device becomes possible from conventional multiple axis to a single axis the ball elements contact the arch-shaped groove of the spline shaft and the outer cylinder so that when power is added to the spline shaft in a rotational Direction This movement is

    00:01:34 transmitted to the outer cylinder much like a gear this special feature of the NB ball spline is enhanced to achieve both linear and rotary motion either simultaneously or independently by a single AIS component nb's spr spline consists of both spline and rotary function within a single component the spr is the ideal component for application ations

    00:02:00 requiring multi-motion movement of both linear and rotary please note that applications such as pick and place and automatic tool Changers are some in which the NB ball spline is [Music] [Music] used [Music]

    00:02:36 d