synchronization of multiple jacks, multi lift worm gear screw jacks structures include worm gear screw jacks, spiral bevel gearboxes, electric motor, gear motor or gear reducer, hand wheel or hand crank, pillow block bearing, flexible jaw couplings and connecting shafts. Load supporting capacity from several kilograms to heavy duty several hundreds tons. Self locking, precision positioning, full synchronization, multiple screw jacks systems arrangements, easy installation and operation, maintenance free.

synchronization of multiple jacks, multi lift worm gear screw jacks efficiency
Two screw jacks system, L, I and T configuration, transmission efficiency 95% .
Three screw jacks system, I and T configuration, transmission efficiency 90%.
Four screw jacks system, H, U and T configuration, transmission efficiency 85%.
Six screw jacks system, 2H and U configuration, transmission efficiency 80%.
Eight screw jacks system, 2H and H configuration, transmission efficiency 80%.
Notes: don't ignore bevel gearbox efficiency 98%.