electric screw jack actuators

Electric Screw Jack Actuators: A Comprehensive Guide

screw jack

Electric screw jack actuators are versatile mechanical devices that are used to convert rotary motion into linear motion. They are typically used in a range of industrial applications to lift, lower, position, or move heavy loads, and they are popular for their reliability, precision, and ease of use.

What is a screw jack used for?

screw jack

Screw jacks are commonly used in various industrial and mechanical applications. Here are some of the most common uses of a screw jack:

  • Machine tools: Screw jacks are used to move and adjust the height of the tool table in various machine tools, including lathes, milling machines, and drill presses.
  • Construction: They are used in construction to lift and support heavy loads, such as bridge decks, buildings, and heavy machinery.
  • Automotive: Screw jacks are used in automotive applications, such as raising and lowering cars for maintenance and repairs.
  • Entertainment: They are used in theater and entertainment industry to move and adjust stage equipment, props, and lighting.
  • Material handling: Screw jacks are used to lift and transport heavy materials, such as pallets, crates, and machinery.

What is the working principle of screw jack?

screw jack

The working principle of a screw jack is based on the mechanical advantage obtained from a screw and nut mechanism. When the screw is rotated, the nut moves along the screw, causing the lifting mechanism to move in a linear direction.

The screw jack comprises of a screw inside a housing with a threaded opening for the screw to pass through. When the screw rotates, the nut moves along the screw, causing the load to lift or lower depending on the direction of screw rotation.

Electric screw jacks operate on the same principle as manual screw jacks; the difference is the electric motor drives the screw. The electric motor provides precise control over the speed and movement of the screw jack, making it suitable for various industrial applications where accurate positioning and repetitive movement are required.

What is the difference between a screw jack and a hydraulic jack?

Screw jacks and hydraulic jacks are both mechanical devices used to lift heavy loads. However, there are several differences between the two:

  • Operation: Screw jacks are typically operated manually or electrically, while hydraulic jacks are powered by hydraulic fluid.
  • Load capacity: Hydraulic jacks can lift heavier loads than screw jacks.
  • Precision: Screw jacks are more precise and offer better control over the load position and movement than hydraulic jacks.
  • Maintenance: Screw jacks require less maintenance than hydraulic jacks, which need regular maintenance to ensure the hydraulic fluid is clean and free from air bubbles.

How to choose or customize the right screw jack for your application?

screw jack

Choosing the right screw jack for your application requires careful consideration of various factors, including:

  • Load capacity
  • Lifting height
  • Speed
  • Environment
  • Mounting orientation
  • Operating temperature
  • Required accuracy
  • Power source
  • Operating conditions

When choosing a screw jack, it’s essential to consider the specific requirements of your application and the parameters that are critical to its success. Customization can be an excellent option for applications with unique requirements, and it can help to optimize the performance, efficiency, and reliability of the screw jack.

Why choose HZPT screw jack?

HZPT is a leading manufacturer and supplier of screw jacks, and our products are widely used in various industrial applications. Here are some reasons to choose HZPT screw jacks:

  • High load capacity
  • Precision positioning
  • Easy installation and operation
  • Low maintenance
  • Customizable to meet specific requirements

At HZPT, we are committed to delivering high-quality screw jacks that meet the specific demands of our customers. Our screw jacks are built to last, and they are designed to offer reliable, efficient, and safe performance in various industrial applications. Contact us today to learn more about our screw jacks and how they can benefit your application.

As a leading manufacturer of industrial motors, gearboxes, and drives in China, HZPT has always been committed to leading technological innovation and achieving excellent quality. Our main products include:

  • Micro gear motors
  • Medium gear motors
  • Brake speed control motors
  • Torque motors
  • DC motors
  • NMRV worm gear motors
  • Bevel gear cone gear motors
  • WPRV series worm gear reducers
  • Rigid face gear bevel gear reducers
  • Helical gear worm gear reducers
  • Parallel axis helical gear reducers
  • Spiral bevel gear reducers
  • Worm gear screw lifts
  • Rigid face gear gear reducers
  • Planetary gear reducers

Our products are widely used in various industrial production lines, such as transportation machinery, food machinery, medical machinery, printing machinery, textile machinery, packaging machinery, office equipment, instruments and meters, and other fields. They are the preferred supporting products for automation equipment.


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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.