Worm Gear electric ball screw jack, anti-Rotation and higher pitches available
Translating(traveling screw) and rotating (traveling nut) configurations
Move loads and apply force more efficiently than Worm Gear Jack various other machine screw actuators
No self-locking! Due to having less friction, a keeping brake is necessary: a engine brake or a springtime pressure brake is necessary.
These worm equipment screw jacks are very precision and reliability, it can meet all of the necessary basic safety, cost-efficiency, and sturdiness mandates of the application. High power bronze worm gear is used, the payloads from 0.5T to 100T . A complete of 11 sizes can be found, each in a journeying nut version and a simple version.
The screw jacks can be utilized separately or in groupings linked with drive shafts, joints, couplings, bevel gearboxes and other mechanical components. They also could be driven by different motors: electric, with either AC engine or DC motor and also hydraulic or pneumatic motors. Each one of these motion control items can 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 simple, robust and inexpensive. The proportion of screw jacks that make use of ball screws is nevertheless constantly increasing. The reasons for this are primarily their pitch precision, their high efficiency (less power consumption and less heat generation) and the bigger pitches offered, 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 combined with the screw shaft. The lifting screw does not slide. It is like the linear actuator functioning principle which converts rotational motion into linear motion. From this stage to understand, a power linear actuator can be a motorized screw jack.
The screw thread of screw jack could be acme screw and ball screw. So are there few variants of the screw jack. Commonly, machine screw jack and ball screw jack can be found in your engineer project. Weighed against acme screw, the ball screw can be more efficient as there are ball bearings between your nut and screw. The anti-friction ball bearing can raise the ball screw efficiency.