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Top-ranking products Stainless steel screw jack industrial worm screw jacks SJA/SJB
SJA/SJB series SJA Control screw rotation Absolute mechanical synchronous lift system Safety nut design, monitoring the wear and tear of the product, eliminate hidden dangers And gear motor and all kinds of accessories module combination to meet customer requirements Load capacity range: 500 kg -100 tons Ball screw jack life calculation Ball screw jack SJB series life mainly depends on the life of the ball screw and worm gear and other components; we mainly check the life of the ball screw, the worm will wear, but life of the worm is generally longer than the ball screw. Life expectancy for ball screws L10 is the operating distance at which 90% of ball screws meet or exceed the fatigue life of metal materials. The unit is millions of millimeters. Ball screw life expectancy L10 is not a promise of durability, while life expectancy should need the correct maintenance, no pollutants and the correct lubrication. If the life expectancy of the ball screw needs to above 90%: then multiply the life expectancy by the following coefficients
stainless trapezoidal jack screw
Upright rotating stainless worm gear screw jack
Lude Transmission can supply stainless steel jacks 1ton to 100ton. The stainless jacks can be translating or rotating,upright or inverted.
small machine screw jack
Mini Size Worm Gear Machine Screw Jack
Mini Size Worm Gear Machine Screw Jack is of acme screw and cubic housing.
worm gear ball and acme screw jacks
Heavy Load Worm Gear Screw Jack
Heavy Load Worm Gear Screw Jacks combine a machine screw jack, motor and gear reducer into a single compact unit.  
Cubic Screw Jacks
35 KN Cubic Screw Jacks
The cubic screw jacks offer versatile mounting options and can be mounted upright or inverted to suit specific requirements.
motorized ball screw jacks
Electric Travelling Nut Worm Screw Jack
In some models of jack screws , The lifting screw does not move up and down. It only rotates around its axis. A lifting nut (also known as travelling nut) moves along the screw.
suitable for various gates applicable industries in two screw jack systems
worm gear screw jack suitable for various gates applicable industries in two screw jack systems
Generally to say,manual screw jack is used when sluice gate is small and electricity is not available,while electric screw jack is used when the gate is heavy.
35 ton Screw jack with motor for SWL35 tons Mechanical Worm Electric Screw Jack
Electric screw jacks can also be called electric screw jacks, which include worm gear jacks and electric motors. The screw jack can be a self-locking trapezoidal screw jack or a high-precision ball screw jack. The motor can be a high-precision servo motor, stepping motor, helical gear motor, worm gear motor, three-phase asynchronous motor and 12v, 24v, 48v motors and DC gear motors, etc. If it is a high-precision ball screw jack, a brake motor or an external locking device is required to maintain the position.
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