• ball screw jack
    SJB Model Ball Screw Jack with Top Plate End
    The ball screw jacks can be employed for lifting, pulling, moving, aligning any kind of load with a perfect synchronism, which is difficult to obtain by means of other handling devices. The ball screw jacks are suitable for high services as well as for a very rapid, quick and precise positioning. Ball Screw Jacks use a ball screw and nut made from hardened alloy steel with bearing balls carrying the load between nut & screw. This rolling action reduces the friction between nut and screw, permitting smooth and efficient load movement that requires approximately 1/3 less torque than a machine screw jack with the same load. Ball screw jacks are preferred for:  Long travel lengths . Long, predictable life .  High duty cycles.  Oscillating motion

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