Rotating screw jack

trapezoidal screwworm gearnut

Work Screw turns moving a Travel Nut. The Work Screw is fixed to the Worm Gear. This cause the load, which is attached to the Travel Nut, to move along the Work Screw. Benefits Uniform translation speed of the nut. Standard Jacks are generally self-locking, for non vibrating applications. ROTATING SCREW JACKS Characteristics - Execution full Stainless Steel, Cast Iron-Stainless Steel or Cast Iron-Steel - Capacity from 5 kN to 150 kN. - Gear ratios: from 5:1 to 36:1. - Standard model: Body in Nodular Cast Iron, Worm Screw in high resistance Stainless Steel, - Worm Gear in special Bronze, Work Screw in high resistance Steel. - Stainless Steel model: Body in Cast Stainless Steel, Worm Screw in high resistance - Stainless Steel, Worm Gear in special Bronze, Work Screw in Stainless Steel. - Screw Jacks complete with grasser nipples and end shaft keys. - Options: - Mechanical stops for max/min extension (do not use as positive stops, but for emergency only). - Special sealing to avoid internal contamination.