worm screw jack

Worm Gear electrical ball screw jack, anti-Rotation and higher pitches available
Translating(traveling screw) and rotating (traveling nut) configurations
Move loads and apply force more effectively than other machine screw actuators
No self-locking! Because of having less friction, a holding brake is essential: a engine brake or a spring pressure brake is required.
These worm gear screw jacks are extremely precision and worm screw jack reliability, it could meet all of the necessary protection, cost-efficiency, and strength mandates of your application. High power bronze worm gear can be used, the payloads from 0.5T to 100T . A complete of 11 sizes are available, each in a traveling nut version and a simple version.

The screw jacks can be utilized separately or in groups linked with drive shafts, joints, couplings, bevel gearboxes and additional mechanical components. They also could be powered by different motors: electrical, with either AC engine or DC motor and also hydraulic or pneumatic motors. All these motion control items could be built in many type jacking system arrangements or configurations.
Ball screw jacks are common where higher speeds and duty cycles are needed. Most screw jacks use trapezoidal screws Tr, because they’re basic, robust and inexpensive. The proportion of screw jacks that make use of ball screws is however constantly increasing. The reasons for this are primarily their pitch accuracy, their high efficiency (less power consumption and much less heat era) and the higher pitches obtainable, which permit higher stroke speeds.

A screw jack can truly add a machine cut lifting nut. For this model screw jack, just the bronze nut move together with the screw shaft. The lifting screw does not slide. It is certainly like the linear actuator working principle which converts rotational movement into linear motion. From this stage to understand, a power linear actuator is a motorized screw jack.

The screw thread of screw jack could be acme screw and ball screw. So there are few variants of the screw jack. Commonly, machine screw jack and ball screw jack are available in your engineer project. Weighed against acme screw, the ball screw is definitely more efficient as there are ball bearings between the nut and screw. The anti-friction ball bearing can boost the ball screw efficiency.