Hand wheel screw jack for Crank Table or Desk. A handwheel is a convenient solution for manually operating a jack when using machine screw jacks in intermittent positioning applications. Note: clockwise rotation with lift screw moves down(retract), counter-clockwise rotation with lift screw moves up(extend).
1. Load capacity 2.5 tons
2. Jack screw dia. 30mm
3. Jack screw pitch 12mm (2 pitch)
4. Worm gear ratio 6:1
5. Self-locking acme screw, stroke 300 mm
6. Cast iron hand wheel
7. Upright mount
8. Translating screw design
9. Standard with 2-start lifting screw
10. Lifting Screw Ends: top plate
11. Housing(Gearbox): Ductile Iron
12.Lifting Screw: Carbon steel #45
13. Worm(Input Shaft): Hardened worm, carbon steel #45
14. Worm Gear(Wheel): High strength bronze
15. Attaches: couplings, drive shafts