Where to use hand operated lifting screw jack? Emergency conditions, for example, sluice gate motorized screw jacks, when power failure, the jacks can be operated by manually via a hand wheel. A handwheel is a convenient solution for manually operating a jack when using machine screw jacks in intermittent positioning applications.
1. Load capacity 1ton
2. Jack screw dia. 20mm
3. Jack screw pitch 4mm
4. Worm gear ratio 5:1
5. Self-locking acme screw, stroke 150 mm
6. Aluminum hand wheel
7. Inverted mount
8. Keyed screw for anti-rotation design
9. Standard with 1-start lifting screw
10. Lifting Screw Ends: threaded end
11. Housing(Gearbox): Ductile Iron
12.Lifting Screw: Carbon steel #45. Custom stainless steel.
13. Worm(Input Shaft): Hardened worm, carbon steel #45. Custom stainless steel.
14. Worm Gear(Wheel): High strength bronze.