Ведущий гайка Jacks

* Lead Screw Nut Jacks is composed of worm gear, worm shaft, bearings, oil seals, housing, lifting screw, travelling nut. Its defined A keyed for traveling nut jack features a lifting screw keyed to the worm gear as a single unit, forcing the lifting screw to rotate, but not translate, A traveling nut, attached to the load, is driven by the rotation of the lifting screw. *Travelling Nut Screw Jack and translating screw jack have the same input torque, as well as the efficiency and axial load ratings. * Safely self locking, Positioning Precision, Heavy Duty, Uniform Lifting Speed, Low Efficiency, Use Infrequently, Easy Installation, Low Noise. * Linear Motions: Elevating,Lowering,Pulling,Pressing,Pushing,Rolling.* Manual Operation and Electrical Operation are available.* Multiple Screw Jack Systems are availbale and fully synchronized.* Absolutely irreversible, they can support their applied loads without needing any brakes or other locking systems.*Three reduction ratio are available for each model. Fast ratio,1 turn shaft,1 mm stroke; Medium ratio,1 turn shaft,0.5 mm stroke;Low ratio,1 turn shaft,0.25 mm stroke.* Max Linear Speed 3600 mm/min* Application Industries: Machinery,Metallurgy,Construction, Irrigation,Chemical industry,Health Care,Culture,Health,etc* Features: It is not necessary for the lifting space of lifting screw, one can effectively use the stroke to the end point and it is convenient for use in limited space. A steady movement is possible even for a long stroke, it is easy to support lifting screw. lifting screw end is finished in round. Instead of using commonly using radial bearing, a trust bearing is adopted in lifting screw support. This design is a partially modified for reducing the side force even in a long stroke. * Take Care: Travelling nut screw jack with a lift screw bearing support, loosen the bearing support fasteners and re-tighten to ensure that the lift screw is parallel to the guide system. Failure to do this could result in lifting screw stress fracture.