hydraulic jack screw

Hydraulic Jack Screw


A hydraulic jack screw is a type of mechanical device that is widely used in various industries. It is designed to provide linear motion by converting rotational motion through the use of a screw and a nut. In this article, we will explore the different aspects of hydraulic jack screws and their applications.

screw jack

What is a screw jack used for?

1. Lifting heavy loads: A screw jack is commonly used for lifting heavy loads in industries such as construction, automotive, and manufacturing. It provides a stable and controlled way to raise or lower objects.

2. Positioning and leveling: Screw jacks are also used for precise positioning and leveling of equipment and machinery. They offer high accuracy and repeatability, making them suitable for applications that require precise adjustments.

3. Load holding: Screw jacks are capable of holding heavy loads in a fixed position without the need for external support. This feature is particularly useful in applications where safety and stability are crucial.

4. Mechanical presses: Hydraulic jack screws are often used in mechanical presses for various forming, stamping, and punching operations. They provide the necessary force to perform these tasks efficiently.

5. Height adjustment: In certain applications, such as adjustable workbenches and platforms, screw jacks are used for height adjustment. This allows users to customize the working height according to their needs.

screw jack

What is the working principle of screw jack?

The working principle of a screw jack involves the conversion of rotational motion into linear motion. It consists of a screw (or worm) and a nut. When the screw is rotated, it moves through the threads of the nut, causing the nut to move linearly along the screw axis. This linear motion can be used to lift or lower heavy loads or to provide precise positioning.

screw jack

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

1. Power source: A screw jack is manually operated and relies on mechanical force to lift or lower loads, while a hydraulic jack uses hydraulic fluid to generate the necessary force.

2. Load capacity: Hydraulic jacks generally have a higher load capacity compared to screw jacks. They are capable of lifting much heavier loads.

3. Speed: Screw jacks typically operate at a slower speed compared to hydraulic jacks. They are more suitable for applications that require precise and controlled movements.

4. Maintenance: Screw jacks require regular lubrication of the screw and nut to ensure smooth operation, while hydraulic jacks require periodic maintenance of the hydraulic fluid and seals.

5. Cost: Screw jacks are generally more cost-effective compared to hydraulic jacks. They are often used in applications that do not require high load capacities.

Choosing and customizing the right screw jack

When selecting or customizing a screw jack, several parameters and factors need to be considered:

1. Load capacity: Determine the maximum load that the screw jack needs to support.

2. Travel distance: Calculate the required travel distance for the application.

3. Operating speed: Consider the desired speed of operation for the screw jack.

4. Environmental conditions: Evaluate the environmental factors such as temperature, humidity, and dust that may affect the screw jack’s performance.

5. Mounting options: Choose the appropriate mounting configuration that suits the application requirements.

screw jack

About HZPT

As a leading manufacturer of industrial motors, gear reducers, and drivers in China, HZPT is committed to technological innovation and exceptional quality. Our product range includes micro gear motors, medium-sized gear motors, braking adjustable-speed motors, torque motors, DC motors, NMRV worm gear motors, bevel gear motors, WPRV series worm gear reducers, rigid tooth face bevel gear reducers, bevel gear worm gear reducers, parallel shaft bevel gear reducers, spiral bevel gear reducers, worm gear screw lifts, rigid tooth face gear reducers, and planetary gear reducers. These transmission 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, and instrumentation, making them the preferred choice for automation equipment.

Here are five reasons why you should choose our screw jacks:

1. High load capacity: Our screw jacks are designed to handle heavy loads, ensuring stability and safety in your applications.

2. Precision and accuracy: We prioritize the precision and accuracy of our screw jacks, making them suitable for applications that require fine adjustments.

3. Durability and reliability: Our screw jacks are built to withstand demanding environments and provide long-lasting performance.

4. Customization options: We offer a wide range of customization options to meet specific application requirements.

5. Excellent customer support: Our dedicated team provides comprehensive technical support and guidance throughout the entire process, ensuring customer satisfaction.


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.