TRAPEZOIDAL SCREW JACKS

Rotating screw jack

Martinetto meccanico a vite rotante
Rotating screw jacks

Rotating screw jack

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

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.
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