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What is a screw jack system?
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The intelligent complete solution that turns individual drive components into a precise and reliable motion system.
A screw jack system is a fully designed and integrated installation for controlled, synchronised movement of loads – often at multiple points and with high repeat accuracy. It goes beyond simple component procurement and delivers a function-guaranteed solution in which mechanics, electrics and control system are combined into one unit. The system provider takes care of design, component selection and integration – from screw jacks and bevel gearboxes to connecting shafts and couplings, through to the protection and accessory programme of the ZIMM modular system.
The core components of a screw jack system
A typical system has a modular design and includes:
- Screw jacks: One or more ZIMM screw jacks (e.g. ZE/ZE-H/GSZ) perform the lifting work and form the basis for precise lifting and positioning.
- Drive motor: A central electric motor provides the rotational energy (controlled by a frequency inverter depending on the application).
- Mechanical connecting elements: Distribute the motor power to all lifting points:
- Bevel gearboxes (e.g. KSZ-H, KST) for 90° redirection and distribution in T- or L-arrangements; symmetrical design makes it easier to change the direction of rotation.
- Connecting shafts (e.g. VWZ) for bridging distances, with split-shell couplings for quick installation in the assembled state.
- Couplings (e.g. KUZ) for backlash-free, damping connection and to compensate for minor misalignments.
- Control system and sensors: Frequency inverter/PLC, limit switches or encoders for speed and position monitoring as well as safe shutdown. (The ZIMM Wiki recommends, among other things, precise alignment of all gearboxes before attaching shafts/couplings to ensure smooth, low-wear operation.)
- Operating elements: Pushbuttons or operator panel for convenient operation.
- Accessories and add-on parts: Mounting elements, bellows, safety nuts, suitable spindle ends and add-on parts – for fast system integration from a single modular kit.
Through the interaction of these coordinated components, a robust, precise system is created for complex lifting and positioning tasks – from mechanical and plant engineering through material handling/conveying technology to stage technology. Practical examples in the ZIMM environment range from multi-point synchronised lifting platforms to vehicle-carrying lifting systems with safety components.
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Questions and answers about our products
Our expertise ranges from the development and manufacture of industrial gearboxes with matching parts to casting, series production and precision machining. We not only offer robust gearboxes, but also customized drive elements, manufactured exactly according to your drawings and specifications.
As Europe’s leading manufacturer of screw jacks, we rely on state-of-the-art machinery and extensive measuring and testing facilities. This enables us to manufacture almost all products ourselves and deliver top quality at all times.
Regardless of the application or industry – our solutions are perfectly tailored to your needs. Make your inquiry today and boost your production processes with our flexible and customizable solutions.
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