telescopic screw jack

Telescopic Screw Jack

Telescopic Screw Jack

A telescopic screw jack is a mechanical device that is used to lift heavy loads vertically or to apply great forces. It is also known as a worm gear screw jack. It is a versatile and cost-effective solution for various applications and industries. In this article, we will discuss what a screw jack is used for, the working principle of a screw jack, the difference between a screw jack and a hydraulic jack, and how to choose or customize a suitable screw jack. We will also introduce HZPT, a leading manufacturer of industrial electric motors, reducers, and drivers, and recommend our products to potential customers.

screw jack

What is a screw jack used for?

  • Lifting heavy loads in a vertical direction
  • Applying great forces
  • Positioning equipment or machinery
  • Maintaining stability in heavy machinery
  • Adjusting the height of workbenches or platforms

screw jack

What is the working principle of a screw jack?

The working principle of a screw jack is based on the simple machine concept of the screw. The screw jack consists of a screw and a nut. When the screw is rotated, the nut moves up or down along the screw. This linear motion is used to lift or lower a load. The mechanical advantage of a screw jack comes from the thread pitch of the screw. The greater the pitch of the screw, the greater the mechanical advantage. However, the speed of the load movement will be slower with a larger pitch screw.

screw jack

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

The main difference between a screw jack and a hydraulic jack is the method of operation. A screw jack is operated manually by turning the screw, while a hydraulic jack is powered by hydraulic pressure. Hydraulic jacks are typically faster and more powerful than screw jacks. However, hydraulic jacks are also more expensive and require a power source to operate. Screw jacks are more affordable and can be used in applications where hydraulic power is not available or necessary.

How to choose or customize a suitable screw jack?

Choosing or customizing a suitable screw jack requires consideration of several important factors, including:

  • Load capacity: The maximum weight that the screw jack can lift
  • Travel length: The distance that the screw jack can move the load
  • Screw pitch: The distance between adjacent thread crests
  • Operating speed: The speed at which the screw jack can lift or lower the load
  • Mounting options: The method of mounting the screw jack to the load

screw jack

HZPT – a leading manufacturer of screw jacks

HZPT is a professional manufacturer and supplier of screw jacks. Our products are widely used in various industries, such as transportation, food, medical, printing, textile, packaging, office equipment, instrumentation, and more. We offer a wide range of screw jacks, including micro screw jacks, miniature screw jacks, stainless steel screw jacks, bevel gear screw jacks, and more. We have over 20 years of experience in the industry and have earned a reputation for quality, reliability, and innovation. Here are some of the advantages of choosing HZPT:

  1. Customization: We can customize screw jacks to meet the specific needs of our customers
  2. High load capacity: Our screw jacks can lift heavy loads up to 100 tons
  3. High efficiency: Our screw jacks have a high mechanical advantage and low energy consumption
  4. Long lifespan: Our screw jacks are made of high-quality materials and have a long lifespan
  5. Competitive pricing: We offer our products at competitive prices to provide value to our customers


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.