Stainless steel screw jack JSS-5T

trapezoidal screwrotating screwtranslating screw

* Maximum static load capacities 5 ton. * Self-locking trapezoidal screw sizes Tr 40x7. * Two gear ratios: high ratio 6:1, slow ratio 24:1 for high and slow linear speeds. * Custom stroke length, maximum stroke 3000 mm in compression load, 4000 mm in tension load. * Basic designs: Translating screw, Keyed screw, and Rotating screw. * Upright or Inverted mounting. Available in tension or compression loads. * Standard with 1-start thread screw, custom 2-starts threads screw which offers increased travel speed and require a brake or external locking device to hold position. * Screw end fittings: top plate, clevis end, threaded end, plain end, fork head and rod end. * Power source: manual operated by hand wheel crank , electrically by motor (ac or dc) drive, or both together. * Can be applied either individually use or combined into a exactly synchronized lifting system(multiple jack systems), linked by connecting shafts, bevel gearboxes, couplings, electric motors, gear reducers, limit switches and pillow blocks etc. * Can be used as alternatives to hydraulic and pneumatic systems. * Housing: Stainless Steel 304. * Lifting Screw: Stainless steel #304. Custom stainless steel #316. * Input Shaft (Worm): Stainless steel #304. Custom stainless steel #316. * Worm Gear / Travelling Nut / Safety Nut: ZQAl9-4 (Casting aluminum bronze) as Standard. Custom ZCuSn10Pb1(Casting tin bronze). * Bearing: Anti-friction Ball Thrust Bearings as standard. Custom stainless steel #304. * Motor Flange Adapter: Stainless steel #304. * Lifting Screw Ends (Top Plate, Clevis End): Stainless steel #304. * Protective Tube: Stainless steel #304.