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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
Ball Screw Maintenance and Storage
  • October 26,2017.

Ball worm gear screw jack is widely used for lifting.It has following advantages:

Are suitable for higher travel speeds and moderate to high duty cycles

Move loads faster and with less horsepower

Are good for moving loads with longer continuous travel

ball screw maintenance

Ball screw is an important part of the ball worm screw lift.How to maintain and store the ball screw? Let’s see the following information.

Ball Screw Maintenance (Lubrication and Cleanliness)

A ball screw must be properly lubricated and kept clean at all times. Otherwise its life will be reduced. When ball screws are not lubricated, the wear life drops by as much as 85-percent. Lubrication reduces friction, prevents corrosion and allows the ball screw to operate more efficiently. Oil and grease are both used for lubrication. Grease is not normally used in low temperature or high speed applications. Graphite grease or grease with suspended solid particles are never used because they tend to clog the ball return system.

The oil supply should insure a light film of clean oil with filtration levels of three (3) microns or less at all times. Lubrication contaminated with dirt and chips increases friction. Balls traveling over metal chips in the ball thread raceway cause "spalling" and the ball screw fails.

Use lubricants recommended by the machine tool manufacturer. As in the case of any high precision assembly, contamination by chips, dirt or other foreign matter will cause and ultimately induce ball screw failure. Limited protection is provided by seals or wipers. Bellows or telescopic covers are recommended if the environment has a high concentration of contaminants. Periodic inspection for cleanliness and lubrication will extend the life of the ball screw.

Storage of Ball Screw Unit

The transport container stores the units stored in the plastic sleeve in the original shipping container. Place the ball screw assembly in the protective cover until the actual installation in the machine begins. Dirt, dust or debris will precipitate on the assembly, and the wear of the ball raceway will begin immediately after the machine is running. If stored for a long time, turn the container at intervals of three months to prevent oil from spreading over the screws.

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