Screw jack for aerospace maintenance

Screw Jack for Aerospace Maintenance

Screw Jack for Aerospace Maintenance

A screw jack is a mechanical device that is used to lift heavy loads or apply large forces with a small effort. It is a simple device that consists of a screw mechanism that converts rotational motion into linear motion. Screw jacks are commonly used in aerospace maintenance because of their ability to lift heavy aircraft parts with ease. In this article, we will discuss the different uses of screw jacks, their working principle, the difference between screw jacks and hydraulic jacks, and how to choose or customize the right screw jack.

What is a Screw Jack Used for?

Screw jacks are commonly used in the aerospace industry for the maintenance of aircraft. Some of the most common applications of screw jacks in aerospace maintenance include:

  • Raising and lowering landing gear
  • Supporting the aircraft during maintenance
  • Adjusting the position of aircraft components
  • Opening and closing aircraft doors
  • Replacing or repairing engines

screw jack

What is the Working Principle of Screw Jack?

The working principle of a screw jack is based on the simple machine known as a screw. A screw jack is made up of a large screw mechanism that is turned by a handle. The screw is threaded, and as it turns, it moves a load up or down depending on the direction of rotation. The load is supported by a platform or a base that is attached to the screw. As the screw turns, it pushes against the load, providing a lifting force. The efficiency of the screw jack is determined by the thread pitch and the diameter of the screw.

screw jack

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

Screw jacks and hydraulic jacks are both used for lifting heavy loads, but they work in different ways. A hydraulic jack uses a liquid to transmit pressure and lift the load. The liquid is usually oil, and it is forced through a small hole or nozzle to create a high-pressure stream that lifts the load. A screw jack, on the other hand, uses a screw mechanism to lift the load. The screw is turned by a handle, and as it turns, it moves the load up or down. Screw jacks are generally slower than hydraulic jacks but are also more precise.

How to Choose or Customize the Right Screw Jack?

Choosing the right screw jack for your application requires careful consideration of a few key factors:

  • Load capacity: Make sure you choose a screw jack that can handle the weight of your load.
  • Travel distance: Determine how high you need to lift your load and choose a screw jack with enough travel distance.
  • Lifting speed: Consider the lifting speed you need for your application and choose a screw jack with the appropriate gear ratio.
  • Environment: Choose a screw jack that is suitable for the environment in which it will be used. For example, if it will be used in a corrosive environment, choose a screw jack that is made of corrosion-resistant materials.
  • Mounting options: Consider the mounting options available for the screw jack and choose one that is compatible with your application.

screw jack

Why Choose HZPT’s Screw Jack?

As a leading manufacturer of industrial motors, gearboxes, and drive systems, HZPT has extensive experience in producing high-quality screw jacks for a wide range of applications. Here are some of the reasons why you should choose HZPT’s screw jack:

  • High load capacity: Our screw jacks are designed to handle heavy loads with ease, making them ideal for aerospace maintenance applications.
  • Precision lifting: With a variety of gear ratios available, our screw jacks provide precise and accurate lifting, positioning, and adjusting.
  • Customizable: We offer a wide range of customizable options, including different lifting speeds, travel distances, and mounting options.
  • Durable: Our screw jacks are made of high-strength materials, including aluminum, stainless steel, and brass, to ensure long-lasting durability and reliability.
  • Expert support: Our team of experts is always available to provide technical support, advice, and assistance with customization and installation.

If you’re looking for a reliable and high-quality screw jack for your aerospace maintenance needs, look no further than HZPT. Contact us today to learn more about our products and how we can help you with your specific application needs.


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Ep Screw Jack Co., Ltd.

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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.