jack point screw

Jack Point Screw: A Comprehensive Guide

screw jack


Jack point screws are crucial components in various industries, providing stability and lifting capabilities in different applications. In this article, we will explore the features, uses, working principles, and differences between screw jacks and hydraulic jacks. Additionally, we will discuss how to choose and customize the right screw jack based on specific parameters and practical conditions.

What is a screw jack used for?

1. Lifting heavy loads: Screw jacks are commonly used in industries such as construction, manufacturing, and transportation to lift heavy objects, machinery, and equipment.

2. Positioning and leveling: These versatile devices are ideal for adjusting the position and level of various structures, including platforms, workbenches, and assembly lines.

3. Load balancing: Screw jacks help distribute weight evenly, ensuring stability and preventing strain on structures.

4. Height adjustment: They facilitate precise height adjustments in applications like stage setups, industrial platforms, and automotive ramps.

5. Mechanical systems: Screw jacks play a crucial role in mechanical systems, providing controlled linear motion for tasks such as pushing, pulling, and pressing.

screw jack

What is the working principle of screw jack?

The working principle of a screw jack involves converting rotary motion into linear motion through the use of a screw and a nut. When the screw is rotated, it moves the nut along its thread, resulting in linear displacement. This mechanism allows for controlled lifting, lowering, or positioning of loads with precision and stability.

screw jack

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

1. Power source: Screw jacks are manually operated or driven by electric motors, while hydraulic jacks use hydraulic fluid pressure.

2. Load capacity: Screw jacks typically have a lower load capacity compared to hydraulic jacks, making them suitable for lighter loads.

3. Speed of operation: Hydraulic jacks offer faster lifting and lowering speeds compared to screw jacks.

4. Maintenance and durability: Screw jacks require less maintenance and have a longer lifespan due to their mechanical nature, while hydraulic jacks may need more upkeep.

5. Precision and control: Screw jacks provide precise and controlled motion, making them suitable for applications requiring accuracy and stability, whereas hydraulic jacks offer greater speed and force.

screw jack

Choosing and Customizing the Right Screw Jack

When selecting or customizing a screw jack, consider the following parameters and their practical implications:

1. Load capacity: Determine the maximum weight the screw jack needs to lift or support to ensure it meets the application’s requirements.

2. Travel length: Assess the distance the screw jack must cover to accommodate the desired vertical movement.

3. Speed requirements: Consider the desired lifting or lowering speed and select a screw jack with an appropriate gear ratio or motor speed.

4. Environmental conditions: Factor in the operating environment, including temperature, humidity, and the presence of dust or corrosive substances, to choose a screw jack with suitable material coatings or sealing.

5. Safety features: Prioritize screw jacks equipped with safety features such as overload protection, emergency stop mechanisms, and limit switches to ensure safe and reliable operation.

Discover the HZPT Advantage in Screw Jacks

screw jack

As a leading manufacturer of industrial motors, gearboxes, and drives in China, HZPT takes pride in pioneering technological innovation and delivering exceptional quality. Our product range includes:

1. Micro Gear Motors

2. Medium Gear Motors

3. Brake Speed Motors

4. Torque Motors

5. DC Motors

6. NMRV Worm Gear Motors

7. Bevel Gear Motors

8. WPRV Worm Gear Reducers

9. Rigid Face Gear Reducers

10. Worm Gear Screw Jacks

11. Parallel Axis Bevel Gear Reducers

12. Helical Bevel Gear Reducers

13. Worm Gear Spiral Lifts

14. Rigid Face Gear Reducers

15. Planetary Gear Reducers

Our transmission products find extensive applications in various industries such as transportation, food processing, medical equipment, printing machinery, textile machinery, packaging machinery, office equipment, and instrumentation. We offer the perfect automation solution to meet your needs.

Why Choose HZPT?

1. Technological Innovation: We constantly invest in research and development to stay at the forefront of technology, ensuring our products meet the latest industry standards.

2. Superior Quality: Our products undergo rigorous quality control measures at every stage of manufacturing, guaranteeing their reliability and durability.

3. Customization Options: We provide tailored solutions to meet specific customer requirements, offering a wide range of configurations, sizes, and materials.

4. Excellent Customer Support: Our dedicated team of experts provides professional technical support, prompt responses to inquiries, and efficient after-sales service.

5. Trusted Partner: With years of industry experience, HZPT has established a reputation for delivering exceptional products and building long-term partnerships with customers worldwide.

Choose HZPT for your screw jack needs and experience the superior performance and reliability our products offer. Contact us today for a customized solution that meets your exact requirements.


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.