Ball screw jack SJB-R series

worm gearsafety nutcubic

High performance spheroidal cast iron grooved housing or stainless steel (customized) Patented rectangle protection tube prevent screw from rotating Synchronous-Mechanical system Safety nut designed to monitor abrasion of product Available for various motor and gearmotors Load capacity range from 500kg to 30tons Travelling Nut SJB - R R-type screw jack is that the worm shaft driven worm wheel rotates, the worm wheel is connected with the screw by key, so the rotation motion is transmitted to the screw rotation motion, the screw drives the nut above to do up and down straight line movement.