screw jack supplier

Screw Jack Supplier


A screw jack is a mechanical device used to lift heavy loads vertically or push them horizontally. It consists of a threaded screw shaft and a rotating handle or motor that drives the screw shaft. The screw jack is widely used in various industries for its ability to provide precise and controlled linear motion.

screw jack

What is a screw jack used for?

1. Load lifting: Screw jacks are commonly used to lift heavy loads in applications such as construction, automotive, and manufacturing industries. They provide a stable and reliable lifting solution.

2. Positioning: Screw jacks can be used to precisely position equipment or components in various industrial processes. Their threaded screw shaft allows for accurate linear movement.

3. Leveling: Screw jacks are used to level surfaces or equipment that need to be adjusted. They provide stability and balance to ensure proper functioning.

4. Pressing and clamping: Screw jacks can generate high force to press or clamp objects together. This makes them suitable for applications that require strong and controlled pressure.

5. Height adjustment: Screw jacks are utilized in applications where height adjustment is required, such as adjustable workbenches, platforms, or stages.

screw jack

What is the working principle of screw jack?

The working principle of a screw jack is based on the mechanical advantage gained through the rotational motion of the screw shaft. When the handle or motor rotates the screw shaft, the load is lifted or pushed due to the axial movement of the nut along the screw threads. This principle converts rotary motion into linear motion, allowing for controlled lifting or pushing of heavy loads.

screw jack

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

1. Power source: Screw jacks are powered by mechanical means, either manually or through an electric motor. Hydraulic jacks, on the other hand, use hydraulic fluid to generate force.

2. Operation speed: Screw jacks are generally slower in operation compared to hydraulic jacks. Hydraulic jacks can lift or lower loads more quickly.

3. Load capacity: Screw jacks typically have a lower load capacity compared to hydraulic jacks, which can handle heavier loads.

4. Precision and control: Screw jacks offer more precise and controlled motion, making them suitable for applications that require accurate positioning. Hydraulic jacks provide faster and more powerful force, making them ideal for heavy-duty lifting.

screw jack

How to choose or customize the right screw jack?

1. Load capacity: Consider the maximum weight the screw jack needs to lift or push. Choose a screw jack with a load capacity that exceeds the required weight to ensure safety and longevity.

2. Speed and travel distance: Determine the desired speed and travel distance of the screw jack. Different screw jacks have varying gear ratios and lead screws, affecting their speed and range of motion.

3. Operating environment: Take into account the conditions in which the screw jack will operate, such as temperature, humidity, and potential exposure to chemicals or contaminants. Choose a screw jack with suitable materials and corrosion-resistant coatings for the specific environment.

4. Mounting options: Consider the available space and mounting requirements. Screw jacks can be mounted vertically or horizontally, and some models offer different mounting configurations for flexibility.

5. Additional features: Evaluate any additional features or accessories that may enhance the functionality of the screw jack, such as limit switches, anti-backlash mechanisms, or position feedback systems. These can improve control and safety.

screw jack

As a leading manufacturer of industrial motors, gearboxes, and drive systems, HZPT is committed to technological innovation and excellent quality. Our 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 tooth flank bevel gear reducers, helical-worm gear reducers, parallel shaft helical gear reducers, spiral bevel gear reducers, worm screw lifts, rigid tooth surface gear reducers, and planetary gear reducers. These transmission products are widely used in various industrial production lines, including transportation machinery, food machinery, medical machinery, printing machinery, textile machinery, packaging machinery, office equipment, and instruments. We are the preferred partner for automation equipment.

Why choose our screw jacks?

1. High load capacity: Our screw jacks are designed to handle heavy loads with ease, providing reliable lifting and pushing capabilities.

2. Precise positioning: The threaded screw shaft ensures accurate and controlled linear motion, allowing for precise positioning in various applications.

3. Durability and reliability: Our screw jacks are built to withstand rigorous industrial environments and are made from high-quality materials to ensure long-lasting performance.

4. Customization options: We offer a range of screw jack models with different load capacities, gear ratios, and mounting options to meet specific customer requirements.

5. Technical support: Our team of experts provides comprehensive technical support, assisting customers in selecting the right screw jack for their applications and providing after-sales service.


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.