hand wheel manual operated 3 ton worm gear screw jacks lifting devices 300mm for NC precision slitting production line automatic slitter machine, such as slit tinplate coil slitter line, galvanized coil sheet slitter line, siliconized steel sheet slitter line, cold rolled coil sheet slitter line, stainless coil sheet slitter line, aluminum coil sheet slitter line. A 8″ diameter hand wheel manual operated two screw jacks for upper rolls adjuster in the vertical plane to permit synchronized roll penetration into the material to be achieved from the operator side of this machine, and all lower flattening rolls and pinch rolls are fixed.

Two 3 ton worm gear screw jacks lifting devices model JT-3T-IS-300-H-II-C-PP/HW, maximum load capacity 3 ton, inverted translating screw type, 300mm(12″) travel stroke, high gear ratio 1/6, clevis end, double input worm shaft, additional protective pipe for dust-proof and 8″ diameter hand wheel.