machinists jacks

Machinist Jacks – The Ultimate Guide

Machinist jacks are a vital tool for any machinist or mechanic. They provide stability and support for heavy machinery and equipment. In this comprehensive guide, we will explore everything you need to know about machinist jacks – from their uses to their selection and customization.

What is a Screw Jack Used For?

A screw jack is a mechanical device that is used to lift heavy loads. It is often used in the construction industry, manufacturing plants, and maintenance facilities. Here are some common uses of screw jacks:

  • Support for heavy machinery and equipment
  • Lifting and leveling of buildings and structures
  • Adjustment of work tables and platforms
  • Alignment of pipe and ductwork
  • Automation of machinery

screw jack

What is the Working Principle of Screw Jack?

The working principle of a screw jack is simple. It consists of a screw mechanism that converts rotational motion into linear motion. The screw is turned by a handle or motor, which causes it to move up or down. As the screw moves, it raises or lowers the load that is resting on it.

  • The screw jack consists of a worm gear and worm screw, which provides a mechanical advantage to lift heavy loads with less effort.
  • The screw jack also has a locking mechanism to prevent the load from falling when the jack is not in use.
  • The screw jack can be operated manually or with a motor.
  • The screw jack is a self-locking mechanism that does not require external power to hold the load in place.

screw jack

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

While both screw jacks and hydraulic jacks are used to lift heavy loads, they operate on different principles.

  • Screw jacks are mechanical devices that use a screw mechanism to lift loads. They are slow but steady and can lift heavier loads than hydraulic jacks.
  • Hydraulic jacks, on the other hand, use hydraulic fluid to lift loads. They are fast and efficient but can only lift lighter loads than screw jacks.
  • Screw jacks are self-locking, which means they do not require external power to hold the load in place, whereas hydraulic jacks require constant pressure to maintain the load position.

How to Choose or Customize a Screw Jack?

Choosing or customizing a screw jack requires a clear understanding of the requirements and parameters of the application. Here are some important considerations:

  • Load carrying capacity – Ensure that the screw jack has the capacity to lift the load safely and efficiently.
  • Lift speed – Choose a screw jack with a lift speed that matches the requirements of the application.
  • Travel length – The travel length of the screw jack should be sufficient to meet the requirements of the application.
  • Mounting options – Select a screw jack with mounting options that are compatible with the application.
  • Protection – Choose a screw jack with protection against environmental factors and corrosion.

screw jack

Why Choose HZPT Screw Jacks?

HZPT is a leading manufacturer of industrial motors, gear reducers, and drive components. Our screw jacks are designed with precision and manufactured with the highest quality standards to meet the demands of modern industrial applications. Here are some reasons to choose HZPT screw jacks:

  • High load capacity – Our screw jacks can lift heavy loads with ease and precision.
  • Durable construction – Our screw jacks are built to last, with corrosion-resistant materials and a heavy-duty design.
  • Customizable options – We offer a variety of options and accessories to customize our screw jacks to your specific requirements.
  • Reliable performance – Our screw jacks are designed to operate smoothly and efficiently, with minimal maintenance required.
  • Competitive pricing – We offer affordable pricing without compromising on quality or performance.

With HZPT screw jacks, you can be sure that you are getting a high-quality product that meets your specific needs. Contact us today to learn more about our products and services.


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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.