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electric worm gear screw jacks
Motorized Electric Screw Jack Actuators Price

Electric screw jack actuators  is a basis jack-up part, accomplish the functions such as lifting, drop, push and inverting through worm gear drives screw.

electric worm gear screw jack lift
Two-set Linkage Screw Jack System

Two-set linkage screw jack system can be "L", I and T configuration.  It usually consists bevel gearbox, screw jack, electric motor, gear reducer, hand wheel, pillow block bearing, jaw coupling, line shafting.

 Automatic Screw Jack Lift System
Good Performance Screw Jack Lift System

Screw jack lift system structures include miter gearboxes, screw jacks, electric motor or gear reducer, hand wheel, pillow block bearings, jaw couplings and line shaftings.  Screw Jack System Features: 1. Heavy duty, self-locking, positioning precision, uniform lifting speed, fully synchronization, easy installation, easy operation 2. Two screw jacks system, three screw jacks system..forty screw jacks system. 3. Extremely high capacity requirements of need very precise up or down control. It's of high mechanical, they are an excellent choice when hydraulic, pneumatic or chain systems are prohibitive choices. 4. Widely used in wood working machines, plastics processing machines, textile machines, assembly equipment in the automobile and aircraft industries, food and beverage production equipment as well as packaging machines.

acme ball screw jacks screw lift
Four-set Linkage Screw Jacks System

Four-set linkage screw jack system can be  I and T configuration, transmission efficiency can be 85% .

worm screw jack lift table
High Efficiency Worm Gear Screw Jack Systems

Screw jack lift system structures include miter gearboxes, screw jacks, electric motor or gear reducer, hand wheel, pillow block bearings, jaw couplings and line shaftings.

SE enclosed housing slewing drive
Slewing Drive for Aerial platform

Slewing drives are powered with hourglass worm technology for maximum gear torque and the smoothest rotation.

Worm Gear Slewing Drive
Slewing Drive WE Series

WE Series Slewing drive is combined by the curved tooth slewing ring and worm, gear and worms are more touch supply larger torque.

spiral bevel gear unit
HD Series Spiral Bevel Gearbox

HD Series spiral bevel gearbox is hexahedron,which can fit different direction mounting.

worm gear ball and acme screw jacks
Worm Gear Screw Jack with reducer and motor

Screw jack is used in applications where linear motion is required. Lifting of any load, pushing or pulling of mechanical equipment, adjusting of tight clearances of mechanical parts can be done by screw jacks.

Spiral Gear screw jack
High-speed Lifting Bevel Gear Screw Jack

High-speed lifting bevel gear screw jacks are partly completed machines and intended for installation in complete machines or to be used for assembly with a totality of machinery to create systems.The bevel gear transmission makes high lifting speeds and a high duty cycle possible.

acme mechanical screw jacks lifts
Trapezoidal Machine Screw Jacks 5Ton

Worm Gear Machine Screws Jacks are common worm gear screw jacks,can be upright or inverted,with anti-rotation or self-locking functions.

high efficiency electric lift cylinder
Energy Saving Electric Linear Actuator with DC Motor

An Electric Linear Actuator is an actuator that creates motion in a straight line, in contrast to the circular motion of a conventional electric motor.

right angle bevel gearboxes
T Series Bevel Spiral Gearbox

T series bevel gearbox is standardized with many varieties. The deceleration ratio is 1:1, 1.5:1, 2:1, 2.5:1 and 3:1, which are all actual transmission ratios.

Acme Screw Linear Actuator
ACME Screw Linear Actuator with AC Motor

A Electric Linear Actuator is a mechanical device that converts energy (power from air, electricity or liquid) to create motion in a straight line.

ball screw electric cylinder
Ball screw lifting electric linear actuator

An electric linear actuator is a device that converts the rotational motion of a motor into linear motion – that is push and pull movements.

Screw Jack Knowledge
How much do you know about the ball screw jack
  • April 16,2019.

Ball Screw Jacks use a ball screw and nut made from hardened alloy steel with hardened bearing balls carrying the load between nut and screw.This rolling action reduces friction between the nut and the screw permitting smooth and efficient movement of the load.


The difference between a ball screw jack and a machine screw jack is  that it uses a high precision ball screw. The ball screw can be used in a wide range of applications. The ball screw has high precision, low pollution, long life and high speed forward reversal. Therefore, it has become a standard accessory in the field of precision machinery in recent years. The ball screw is used on the lift to help the screw jack have higher positioning accuracy, lower noise, faster speed and a significant increase in efficiency. Therefore, the ball screw jack is more suitable  in high-speed high-frequency environments.


The ball screw jack, whose thermal expansion  prone to cause a decrease in accuracy have always been a question for customers. In fact, if you want to pay attention to this situation, we must note that , not only the heat caused by ball friction, but also the operation of mechanical parts such as motors or gear boxes. Therefore, when using ball screw jack, we must take all the heat sources into account and calculate a better installation position so that the screw jack can operate more accurately.


If the working temperature is high, a separate cooling system can be loaded on the ball screw. Cooling down by cold air or oil mist, but air cooling is recommended because it will be more energy efficient.


The addition and replacement of ball screw jack grease is also a special consideration. Usually, the lubrication of the ball screw jack includes grease lubrication and oil lubrication, because the inside of the housing needs to be filled with grease to complete the lubrication, and the screw requires oil lubrication to be added inside the nut. So when you change, don’t forget the lubrication of the screw nut.


Above are some explanations and precautions for the ball screw jack from Lude Transmission. Hope pay more attention when purchasing and using, which can extend the service life and improve the efficiency of the screw jack .


For more information, please visit our website www.ludetransmission.com. We will provide you best suitable solutions.

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