Screw jack for university laboratories

Screw Jack for University Laboratories

A screw jack is an essential tool used in university laboratories for various applications. This versatile device is designed to provide precise vertical movement and load support in experimental setups. In this article, we will explore the functions, working principle, and selection criteria of screw jacks, as well as highlight the advantages of choosing our company’s products.

What is a Screw Jack Used For?

1. Precision Height Adjustment: Screw jacks are widely used for precise height adjustments of laboratory equipment, such as optical benches, telescopes, and testing apparatus. The threaded screw mechanism allows for smooth and accurate vertical positioning, ensuring optimal experimental conditions.

screw jack

2. Load Support: Screw jacks provide robust load support in laboratory setups, especially when dealing with heavy equipment or structures. With their high load-bearing capacity, these jacks ensure stability and safety during experiments or testing procedures.

What is the Working Principle of Screw Jack?

Screw jacks operate on the principle of a mechanical advantage gained through the rotation of a threaded screw. Here are the key aspects of their working mechanism:

  1. Input Torque: The operator applies torque to the handle or motor, causing the screw to rotate.
  2. Threaded Screw: As the screw rotates, it moves linearly through the threaded nut, translating rotary motion into linear motion.
  3. Lifting Mechanism: The linear motion of the screw raises or lowers the load attached to the jack, allowing for precise height adjustments.

screw jack

What is the Difference Between a Screw Jack and a Hydraulic Jack?

While both screw jacks and hydraulic jacks serve similar purposes, they operate on different principles. Here are the primary differences:

  1. Power Source: Screw jacks are manually operated using a rotating handle or an electric motor, while hydraulic jacks rely on hydraulic fluid pressure.
  2. Mechanical Advantage: Screw jacks provide a mechanical advantage through the screw mechanism, whereas hydraulic jacks utilize fluid pressure to generate lifting force.
  3. Precision: Screw jacks offer higher precision and control in height adjustment due to the threaded screw’s fine movements.

How to Choose or Customize the Appropriate Screw Jack?

When selecting or customizing a screw jack, several parameters and practical considerations need to be taken into account:

  1. Load Capacity: Determine the maximum load the screw jack needs to support to ensure safety and optimal performance.
  2. Travel Distance: Consider the required vertical travel distance to meet the specific experimental or equipment needs.
  3. Speed and Efficiency: Assess the desired speed and efficiency of the screw jack’s lifting mechanism to match the experimental requirements.
  4. Environmental Conditions: Take into account any specific environmental conditions, such as temperature, humidity, or exposure to chemicals, which may affect the choice of materials or coatings.
  5. Budget and Cost-effectiveness: Evaluate the cost-effectiveness of the screw jack solution while ensuring its suitability for the laboratory’s long-term needs.

screw jack

As a leading manufacturer of industrial motors, reducers, and drives, HZPT adheres to the philosophy of “Leading Technological Innovation, Achieving Excellent Quality.” Our product range includes a wide variety of transmission solutions, such as micro gear motors, brake adjustable-speed motors, torque motors, DC motors, NMRV worm gear motors, bevel gear cone gear motors, WPRV worm gear reducers, rigid tooth surface 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.

Our products find extensive application in various industrial production lines, including transportation machinery, food machinery, medical machinery, printing machinery, textile machinery, packaging machinery, office equipment, and instrumentation. They are the preferred choice for automation equipment.

By choosing our screw jack products, you benefit from the following advantages:

  1. High Load Capacity: Our screw jacks are designed to handle heavy loads and provide reliable load support.
  2. Precision and Accuracy: With their precise screw mechanism, our screw jacks ensure accurate height adjustments for your laboratory equipment.
  3. Durability: Our products are built to withstand demanding laboratory environments and provide long-lasting performance.
  4. Customization Options: We offer customization services to tailor the screw jacks to your specific requirements, ensuring optimal functionality.
  5. Competitive Pricing: Our products offer excellent value for money, combining quality, performance, and affordability.

Choose HZPT as your trusted supplier of screw jacks, and experience the difference in quality and reliability. Contact us today to discuss your laboratory’s needs and start a fruitful cooperation.


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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.