screw bevel gear

screw bevel gear


The screw bevel gear is a crucial component in various mechanical systems. Its unique design and functionality make it an essential part of many industrial applications. In this article, we will delve into the features and working principles of screw bevel gears, as well as their applications and advantages.

What is a screw jack used for?

Screw jacks are widely used in different industries due to their ability to provide linear motion and lifting capabilities. Here are some key applications:

  • Construction industry: Screw jacks are used for lifting heavy loads, such as in scaffolding systems.
  • Automotive industry: They are utilized in car lifts and vehicle positioning systems.
  • Manufacturing industry: Screw jacks play a crucial role in assembly lines and material handling equipment.
  • Warehouse and logistics: They are used in conveyor systems and height-adjustable platforms.
  • Medical field: Screw jacks are employed in medical beds, surgical tables, and patient lifts.

screw jack

What is the working principle of screw jack?

The working principle of a screw jack revolves around the transformation of rotary motion into linear motion. Here are the key steps involved:

  1. Rotary motion: An input torque is applied to the screw, causing it to rotate.
  2. Translation: As the screw rotates, it moves linearly along its axis.
  3. Lifting or lowering: This linear motion is used to lift or lower the load attached to the screw jack.
  4. Mechanical advantage: The pitch of the screw determines the mechanical advantage and the amount of force that can be generated.

screw jack

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

While both screw jacks and hydraulic jacks serve similar purposes, there are key differences between them:

  • Power source: Screw jacks are manually operated or driven by an electric motor, while hydraulic jacks utilize hydraulic fluid for power.
  • Load capacity: Screw jacks typically have higher load capacities compared to hydraulic jacks.
  • Speed: Hydraulic jacks offer faster lifting speeds, while screw jacks have slower but more precise lifting capabilities.
  • Maintenance: Screw jacks require less maintenance due to their simpler design, whereas hydraulic jacks need regular fluid checks and replacements.
  • Cost: Screw jacks are generally more cost-effective than hydraulic jacks.

How to choose or customize the right screw jack?

When selecting or customizing a screw jack, several parameters and real-life conditions should be taken into consideration:

  • Load capacity: Determine the maximum load the screw jack needs to handle.
  • Lifting speed: Assess the required speed at which the load needs to be lifted or lowered.
  • Environmental factors: Consider factors such as temperature, humidity, and presence of corrosive substances.
  • Space limitations: Determine the available space for installation and operation.
  • Integration requirements: Evaluate the need for additional features like safety mechanisms, motorization, or synchronization with other systems.

screw jack

Why choose HZPT’s screw jack?

As a leading manufacturer in China, HZPT specializes in producing and supplying high-quality screw jacks. Here are five reasons to choose our products:

  1. Diverse product range: We offer a wide range of screw jacks, including micro-sized, medium-sized, and torque motorized options.
  2. Advanced technology: Our products incorporate the latest technological advancements to ensure optimal performance and reliability.
  3. Customization options: We provide the flexibility to customize screw jacks according to specific requirements and application needs.
  4. Superior quality: HZPT products are known for their exceptional quality and durability, guaranteeing long-term operational efficiency.
  5. Extensive industry applications: Our screw jacks find applications in various industrial sectors, including transportation, food processing, medical, printing, and packaging.

With our commitment to technological innovation and excellence, HZPT is the ideal partner for all your screw jack needs.

screw jack


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.