hilti jack screw

What is Hilti Jack Screw and How Does it Work?


In this blog post, we will explore the fascinating world of Hilti jack screw, a specialized tool used in various industries for lifting heavy loads. We will delve into its applications, working principle, and the key differences between a screw jack and a hydraulic jack. Additionally, we will provide insights on how to choose and customize the right screw jack for your specific needs.

screw jack

What is a Screw Jack Used For?

  • Industrial Lifting and Lowering: Screw jacks are primarily used for lifting and lowering heavy machinery and equipment in industrial settings. Their robust design and high load-bearing capacity make them ideal for applications such as assembly lines, construction sites, and manufacturing plants.
  • Positioning and Alignment: Screw jacks offer precise control over height adjustment, allowing for accurate positioning and alignment of components. This is crucial in industries such as automotive, aerospace, and robotics, where precision is of utmost importance.
  • Load Balancing: Screw jacks can be used to distribute the weight of heavy loads evenly, ensuring stability and preventing overloading on specific parts of a structure or machine. This helps enhance safety and longevity in various applications.
  • Height Adjustment: Screw jacks provide a reliable and efficient solution for adjusting the height of platforms, stages, and workbenches. This versatility makes them indispensable in theaters, concert halls, and other performance venues.
  • Stabilization: In situations where stability is crucial, such as in the installation of large structures or heavy equipment, screw jacks can be used to provide temporary or permanent stabilization support, ensuring a secure and level foundation.

screw jack

What is the Working Principle of Screw Jack?

The working principle of a screw jack revolves around the concept of mechanical advantage achieved through the rotation of a threaded screw. Here are the key elements of its working principle:

  • Threaded Screw: The central component of a screw jack is a threaded screw, usually made of high-strength steel. This screw acts as a mechanical lever, converting rotational motion into linear motion.
  • Worm Gear: The threaded screw engages with a worm gear, which is a cylindrical gear with teeth that mesh with the screw threads. As the worm gear rotates, it moves the screw up or down depending on the direction of rotation.
  • Load Capacity: The load to be lifted or lowered is applied to a load-bearing plate or platform connected to the screw. As the screw moves, it pushes or pulls the load, providing the necessary lifting or lowering force.
  • Efficiency and Safety Mechanisms: Modern screw jacks are equipped with efficient gear mechanisms and safety features to ensure smooth operation, precise control, and protection against overloading or accidental release of the load.

screw jack

What is the Difference Between a Screw Jack and a Hydraulic Jack?

While both screw jacks and hydraulic jacks serve the purpose of lifting heavy loads, they operate on different principles and offer distinct advantages:

  • Principle of Operation: Screw jacks use the mechanical advantage of threaded screws, while hydraulic jacks utilize hydraulic pressure to lift loads.
  • Load Capacity: Screw jacks are typically capable of handling heavier loads compared to hydraulic jacks, making them suitable for industrial applications where substantial lifting capacity is required.
  • Precision and Control: Screw jacks offer finer control over the lifting process, allowing for precise height adjustments and alignment. Hydraulic jacks, on the other hand, provide faster operation but with less precision.
  • Maintenance and Reliability: Screw jacks are generally more robust and require less maintenance compared to hydraulic jacks, which rely on hydraulic fluid and seals that may wear out over time.
  • Portability and Flexibility: Hydraulic jacks are often more portable and compact, making them suitable for mobile applications. Screw jacks, with their sturdy construction, are better suited for stationary or heavy-duty applications.

Choosing and Customizing the Right Screw Jack

When selecting or customizing a screw jack for your specific needs, several key parameters and considerations come into play:

  • Load Capacity: Determine the maximum weight the screw jack needs to lift or lower to ensure it can handle the required load. Consider factors such as dynamic load, impact, and safety margins.
  • Travel Distance: Assess the vertical travel distance required for your application, considering both the minimum and maximum heights needed.
  • Speed and Efficiency: Evaluate the desired lifting or lowering speed and choose a screw jack with an appropriate gear ratio or lifting speed.
  • Environmental Factors: Consider the operating environment, including temperature, humidity, dust, and vibration, to select a screw jack that can withstand these conditions.
  • Mounting and Integration: Determine the mounting options and integration requirements based on the available space and the specific configuration of your application.

screw jack

About HZPT

As a leading manufacturer of industrial motors, gear reducers, and drives, HZPT is committed to technological innovation and delivering excellent quality products. Our extensive range of products includes micro gear motors, medium-sized gear motors, brake adjustable-speed motors, torque motors, DC motors, NMRV worm gear motors, bevel gear motors, WPRV worm gear reducers, rigid face gear reducers, spiral bevel gear reducers, parallel shaft helical gear reducers, helical bevel gear reducers, worm gear screw lifts, rigid face gear reducers, and planetary gear reducers, among others. These transmission products find wide applications in various industries such as transportation machinery, food machinery, medical machinery, printing machinery, textile machinery, packaging machinery, office equipment, and instrumentation, making them the preferred choice for automation equipment.

Our company specializes in the production and sale of screw jacks, offering superior quality and performance. Here are five key advantages of our screw jack products:

  1. High Load Capacity: Our screw jacks are designed to handle heavy loads, ensuring reliable and safe lifting operations even in demanding industrial environments.
  2. Precision and Control: With precise gear mechanisms and fine adjustment capabilities, our screw jacks enable accurate positioning and alignment of loads, providing exceptional control over height adjustments.
  3. Durability and Reliability: Manufactured with robust materials and advanced engineering techniques, our screw jacks offer long-lasting performance and require minimal maintenance, resulting in reduced downtime and increased productivity.
  4. Customization Options: We offer a wide range of customization options, allowing you to tailor the screw jack to your specific requirements, including load capacity, travel distance, speed, and mounting options.
  5. Expert Support and Service: Our team of experienced professionals is dedicated to providing exceptional customer support and service, assisting you throughout the selection, installation, and maintenance process.

At HZPT, we take pride in our commitment to delivering high-quality screw jacks that meet the diverse needs of our customers. Contact us today to discuss your requirements and experience the excellence of our products and services.


Find us

Ep Screw Jack Co., Ltd.

Mail: [email protected]

As one of leading manufacturers, suppliers and exporters of mechanical products in China, We offer reducers, sprockets, industrial and conveyor chain, belts, pulleys, gears, racks, gearboxes, motors, PTO Shafts, taper lock Bushing, vacuum Pumps, screw air compressors and many other products. Please contact us for details.