screw jack aircraft




Screw Jack Aircraft

Screw Jack Aircraft

A screw jack aircraft is an essential tool that is used to lift and move heavy loads in the aviation industry. It is a mechanical device that is operated by turning a lead screw and can lift or lower a load by converting rotary motion into linear motion.

screw jack

What is a screw jack used for?

  • Moving large pieces of equipment:
  • One of the most frequent applications of screw jacks is lifting and lowering heavy equipment, such as aircraft engines, fuselages, and wings. The screw jack helps avoid damage to the equipment and makes it easier to move heavy loads in tight spaces.

  • Controlled positioning:
  • Screw jacks can be used to control the position of objects to within a few thousandths of an inch. They can also be used to level and align equipment.

  • Adjusting height:
  • With the help of screw jacks, the height of work platforms, conveyor belts, and other equipment can be adjusted easily to ensure workers’ safety and optimize performance.

  • Stabilization:
  • Screw jacks can be used to stabilize structures, such as aircraft, during maintenance or repairs. They are also useful in supporting the weight of aircraft during the assembly process.

  • Other uses:
  • Screw jacks can also be used in a variety of other applications, such as in the construction, automotive, and entertainment industries.

screw jack

What is the working principle of screw jack?

The screw jack works on the principle of the inclined plane. When a force is applied to the handle of the screw jack, it rotates the screw, which moves the load in a linear motion. The load is raised or lowered based on the direction of rotation of the screw.

  • Load-bearing capacity:
  • The load-bearing capacity of a screw jack depends on the material, size, and pitch of the screw. Larger pitch screws can lift heavier loads, while smaller pitch screws are better suited for fine adjustments.

  • Efficiency:
  • The efficiency of a screw jack is determined by the lead angle and the coefficient of friction between the screw and the nut. Higher lead angles and lower coefficients of friction result in greater efficiency.

  • Lubrication:
  • Proper lubrication of the screw jack is essential for smooth operation and longevity. Lubrication also helps reduce wear and tear on the screw and nut, which can affect the efficiency and load-bearing capacity of the screw jack.

  • Power source:
  • Screw jacks can be operated manually or with the help of electric motors. Manual screw jacks are more cost-effective and are suitable for lighter loads, while electric screw jacks are better suited for heavy-duty applications.

  • Model and design:
  • The selection of a screw jack depends on several factors, such as the load capacity, travel distance, speed, and environmental conditions. Choosing the right model and design of screw jack is essential for optimal performance and safety.

screw jack

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

A screw jack is a mechanical device that lifts or lowers loads using a lead screw, while a hydraulic jack uses pressurized hydraulic fluid to lift or lower loads. Screw jacks are better suited for lower loads and finer adjustments, while hydraulic jacks are better suited for heavy-duty applications that require greater force.

How to choose or customize the appropriate screw jack?

  • Load capacity:
  • The load capacity of a screw jack depends on the size, pitch, and material of the screw. It is essential to consider the maximum load that needs to be lifted and choose a screw jack with the appropriate load capacity.

  • Travel distance:
  • The travel distance refers to the maximum distance that the screw jack can lift the load. It is essential to choose a screw jack with the appropriate travel distance based on the application requirements.

  • Speed:
  • The speed at which the screw jack can lift or lower the load is an essential consideration. It is essential to choose a screw jack with the appropriate speed based on the application requirements.

  • Environmental conditions:
  • The environmental conditions, such as temperature, humidity, and corrosive substances, can affect the performance and durability of the screw jack. It is essential to choose a screw jack with the appropriate material and coating to withstand harsh environmental conditions.

  • Customization:
  • If the standard screw jack models are not suitable for the application requirements, custom screw jacks can be designed and manufactured to meet the specific needs of the customer. Customization allows for greater flexibility in terms of load capacity, speed, travel distance, and environmental conditions.

screw jack

HZPT – Your Leading Manufacturer of Screw Jacks

As a leading manufacturer of screw jacks, HZPT has been at the forefront of technological innovation and superior product quality. We offer a wide range of transmission products, including micro gear motors, medium gear motors, brake speed control motors, torque motors, DC motors, NMRV worm gear motors, bevel gear motors, WPRV worm gear reducers, rigid face helical gear reducers, helical bevel gear reducers, parallel shaft helical gear reducers, spiral bevel gear reducers, worm gear screw lifts, rigid face gear reducers, and planetary gear reducers.

Our products are widely used in various industrial production lines, such as transportation machinery, food machinery, medical machinery, printing machinery, textile machinery, packaging machinery, office equipment, and instrumentation. They are the preferred supporting products for automation equipment.

  • High-quality materials:
  • Our screw jacks are made of high-quality materials, such as steel and aluminum, to ensure durability and longevity. We use advanced manufacturing processes to ensure that our products are of the highest quality.

  • Customization:
  • We offer customization services to meet the specific needs of our customers. We can design and manufacture screw jacks with the appropriate load capacity, travel distance, speed, and environmental conditions based on the application requirements.

  • Competitive pricing:
  • We offer our products at competitive prices without compromising on quality. Our products are cost-effective and provide value for money.

  • Excellent customer service:
  • We are committed to providing excellent customer service. Our team of experts is available to answer any questions and provide technical support to ensure that our customers are satisfied with our products.

  • Quick delivery:
  • We offer quick delivery of our products to ensure that our customers receive their orders on time. We work closely with our logistics partners to ensure that our products are delivered safely and efficiently.


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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.