Ball screw jacks

P. 7
Jacks Ktytd IramUtîn? screw jacks stop the screw from rotatmg without (ht n*ed for €nd pinning. Howevçr the keyway in th& çcntwwiU cause greater than normal wear on th* internaithreads of the worm gear. Modttl £2624 £2500 E1S

P. 20
Elevation is by means of commercial Ball screw jacks for high duty cycle operation, driven by a worm/wormgear arrangement. Elevation uses two of these screw jacks for redundancy, coupled together and driven by a common motor

P. 7
Consult Power Jacks for advice. Model Capacity (Short Tons) 100% Full Load 75% Full Load 50% Full Load or Less 28021& 98021 2 125 300 1000 28003 3 250 650 2200 2805 5 1000 2500 9000 28051 5 500 1000 4000 2825 25 700 2000 6000 2810 10 100 350 1000 28101 10 50 150 500 2820 20 150 350 1200 2860 50 600 1500 5000 2802& 9802 2 50 150 500 28631 0.5 400 1200 3500 Life

P. 32
Elevation is by means of commercial Ball screw jacks for high duty cycle operation, driven by a worm/wormgear arrangement. Elevation uses two of these screw jacks for redundancy, coupled together and driven by a common motor