Product Description

500 lbs. Mini screw jack allows for extremely fine adjustment, and designed for height adjustment of wash tanks in aluminium beverage can production line. Available in 5:1 and 20:1 worm gear ratios. There are no standard stroke and all worm gear screw jack systems travel lengths are built with customers required. Available stroke from 10mm to 1500mm.

Features
1. Upright or inverted installation with maximum static load capacity 500 lbs in tension or compression.
2. Self-locking with no need brake or lock mechanisms to hold position.
3. 14mm diameter lifting screw, 4mm lead acme screw (single start acme thread).
4. Available in 5:1 and 20:1 ratios.
5. Custom travel lengths from 10mm to 1500mm.
6. Translating screw (travelling screw jacks), keyed screw for anti-rotation, and rotating screw with traveling nut (travelling nut screw jacks) as the standard configurations.
7. Worm screw is rotated by a hand wheel with handle (manual mini screw jack) or by a electric motor (electric mini screw jack). Note: Can not directly coupled with motor by motor flange, because of the smallest size gearbox. Can be attached to foot mounted small DC or AC motors with couplings for powered operation.
8. Can be applied either individually use or combined into a exactly synchronized lifting system, linked by connecting shafts, bevel gears and couplings etc.

Structures
1. Lifting screw material - C45 steel
2. Worm (input shaft) material - C45 steel
3. Worm gear material - bronze
4. Housing (gearbox) material - ductile iron
5. Traveling nut or Safety nut - bronze