Precision Ball Screw Spline PBSA Series

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Exhibitor: PRECISION MOTION INDUSTRIES, INC.

Booth No: J302

Characteristic

The precision ball screw spline contains ball screw grooves and ball spline grooves that cross each other on a single shaft. The precision ball screw spline nut has a special designed support bearing directly set up on the outer ring of the nuts. The precision ball screw Spline is capable of performing three modes of motion ( rotational, linear and spiral ) with a single shaft by rotating or stopping the spline nut.
Application︰SCARA robot, Assembly robot, Automatic loader, and Machining center's, ATC equipment.
Features︰
1.High Positioning Accuracy︰The ball spline groove profile is designed gothic arch. By applied preload, the backlash in the rotational direction is eliminated therefore having higher positioning accuracy.
2.Lightweight and Compact︰Spline nut and the support bearing is integration structure. The spline nut is designed lightweight. Therefore, the highly accurate and compact design is achieved.
3.Simple Installation︰The balls recirculation in ball holder, prevent balls falling from the spline nut while assembling.
4.Support Bearing︰The support bearing of the ball Screw is designed a contact angle of 45°, thus it has higher axial rigidity, while ball spline has a contact angle of 45°, thus it has the average force of axial and radial direction.
5.Smooth Motion and Lower Noise︰As the ball screw is adapting end cap recirculation structure, thus can be smooth motion with lower noise.

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Precision Ball Screw Spline PBSA Series

Characteristic

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