The BJ worm gear screw jack was created in a number of different versions and happens to be found in countless solutions within Healthcare, the meals Industry and other industries.
All worm equipment screw jacks may as standard be supplied with easy-to-clean and yellow-colored chromated surfaces with stainless steel spindles and food approved lubricants.
If there are unique requirements for the look, we are very happy to offer adaptations actually in smaller quantities.
The spindles can be protected from dirt and water through the use of protecting tubes.
Ball-screw jacks feature a high-effectiveness ball screw and nut that reduces the required insight torque to about one-third the torque required for machine-screw jacks. 300 Series Stainless-metal screw jack are for conditions where corrosion level of resistance is essential. Stainless-steel 
lifting threads are precision created to Class 2-C (centralizing) thread profiles.
The design is compact, simple and its own modular construction allows great versatility in the decision of gear, installation options, flanges, oil types and surface treatments. The modular design is also ideal when there is a need for customisations where the gearbox should be optimized for particular needs. That is the reason why we can produce worm gear screw jacks adapted to your wants at an attractive price.
The worm equipment screw jack permits axial positioning and together with our other products within the field of encoders, couplings and connecting shafts, it allows for running more axial movements synchronously.
By connecting individual screw jacks with drive shafts lifting systems can be realized in a straightforward way. With the wealthy accessories many problems could be solved with the standard program.
There are two basic types of screw jacks of which a few additional styles originate. 1st, there are translating screw jacks. These types of screw jacks use a good start shaft or screw that travels into or out from the worm gear package. The lift shaft can either protrude from the mounting flange aspect of the gearbox or from the very best side of the worm equipment container. Secondly, are rotating type screw jacks. In this design, the lift shaft continues to be stationary and a lifting nut movements along the lift shaft. Much like the translating screw jacks the screw may also protrude down from the mounting flange or up from the very best of the jack. To create translation of the lift shaft or nut, both configurations must be secured to prevent rotation. Where that is unfeasible, keyed screw jacks are a choice.
Each model’s worm-gear-set arrangement uses an alloy-metal worm, which drives a high-strength bronze worm equipment (drive sleeve). The worm shaft is supported on antifriction tapered roller bearings with external seals to prevent lack of lubrication. Machine-screw jacks include a lifting shaft manufactured from alloy steel with the very least tensile strength of 95,000 psi. Lead precision is around 0.004 in./ft.