Stainless steel worm gear screw jack (translating screw)
2 - 25 ton JOYCE

Joyce stainless steel screw jacks are specifically designed for positioning and lifting applications that are located in wet, corrosive and harsh environments. These mechanical jacks are available in 2 ton through 25 ton capacities. Upright or inverted jacks operate at full capacity in tension or compression. SWJ and RSWJ, single lead jacks are self-locking. DSWJ and DRSWJ, double lead jacks offer increased travel speed.
All exposed surfaces and components feature stainless steel or bronze construction
Nitrile rubber seals protect all internal mechanisms.
Tapered or ball thrust bearings provide rugged reliability
Double input shafts are standard
Choose one of four standard end conditions
Protective boots available
Anti-backlash devices available
Joyce/Dayton can customize to your specifications