cable drum screw jacks

cable drum screw jacks


Cable drum screw jacks are powerful and versatile mechanical devices used in various industrial applications. These jacks are designed to provide precise and reliable lifting and positioning of heavy loads. With their unique screw mechanism, they offer superior load capacity and excellent stability.

screw jack

What is a screw jack used for?

1. Industrial automation: Screw jacks play a crucial role in automating various industrial processes. They are widely used in conveyors, robots, and other automated systems to control the movement and positioning of heavy equipment.

2. Material handling: Screw jacks are commonly used in material handling equipment such as cranes, lifts, and hoists. They provide precise control over the vertical movement of loads, ensuring safety and efficiency in lifting operations.

3. Construction: In the construction industry, screw jacks are utilized for lifting and supporting heavy structures during building, maintenance, and repair works. They offer stability and reliability in critical applications.

4. Renewable energy: Screw jacks are essential components in solar panel tracking systems and wind turbine maintenance platforms. They enable the adjustment of tilt angles and heights, maximizing energy generation and facilitating maintenance.

5. Automotive industry: Screw jacks are used in car lifts and automotive assembly lines for precise positioning of vehicles and machinery. They ensure accurate alignment and efficient workflow in automotive manufacturing processes.

screw jack

What is the working principle of screw jack?

Screw jacks operate based on the principle of mechanical advantage. They consist of a threaded screw shaft and a nut that engages with the threads of the screw. When the screw is rotated, the nut moves linearly along the screw shaft, resulting in vertical displacement of the load.

The mechanical advantage of the screw jack is determined by the pitch of the screw and the size of the load-bearing surface. By increasing the pitch or the diameter of the screw, the force required to lift a load can be reduced, making the process more efficient.

screw jack

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

1. Power source: A screw jack is powered by mechanical force applied manually or through an electric motor, while a hydraulic jack operates using pressurized fluid.

2. Load capacity: Screw jacks typically have higher load capacities compared to hydraulic jacks, making them suitable for lifting heavier loads.

3. Precision and control: Screw jacks provide more precise positioning and control over the load, allowing for fine adjustments. Hydraulic jacks may have faster operation but offer less precision.

4. Maintenance: Screw jacks require less maintenance compared to hydraulic jacks, which often need fluid checks and seal replacements.

5. Environmental impact: Hydraulic jacks may pose environmental risks due to potential fluid leaks, while screw jacks are considered more environmentally friendly.

Choosing and Customizing the Right Screw Jack

When selecting or customizing a screw jack for your specific application, consider the following parameters:

1. Load capacity: Determine the maximum weight the screw jack needs to lift and ensure the chosen jack can handle the load safely.

2. Travel distance: Calculate the vertical travel distance required and choose a screw jack with a suitable stroke length.

3. Screw diameter and pitch: Select the appropriate screw size and pitch to achieve the desired lifting speed and mechanical advantage.

4. Mounting options: Consider the available space and mounting requirements to ensure the screw jack can be properly installed.

5. Environmental conditions: Evaluate the operating environment for factors such as temperature, humidity, and exposure to chemicals or dust. Choose a screw jack with suitable protective measures.

screw jack

As a leading manufacturer of industrial electric motors, gearboxes, and drives in China, HZPT is dedicated to technological innovation and excellent product quality. Our wide range of products includes:

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

These transmission products find widespread applications in various industries such as transportation machinery, food machinery, medical machinery, printing machinery, textile machinery, packaging machinery, office equipment, and instrumentation. They are the preferred choice for automation equipment.

Here are some key advantages of our products and company:

1. Superior quality: Our products are manufactured using high-quality materials and cutting-edge technology, ensuring durability and reliable performance.

2. Customization options: We offer flexible customization to meet specific customer requirements and provide tailored solutions for various applications.

3. Technical expertise: With a team of experienced engineers and technicians, we provide comprehensive technical support and assistance throughout the entire project.

4. Competitive pricing: We strive to offer competitive prices without compromising on product quality, providing excellent value for money.

5. Global presence: Our products are exported to numerous countries around the world, and we have established a strong reputation for delivering superior 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.