490 kN Capacity Machine Screw Jack Lift, 50 Ton Worm Gear Screw Jack

Jacton 490 kN Capacity Machine Screw Jack Lift, 50 Ton Worm Gear Screw Jack are the ideal product to push, pull, lift, lower and position adjustment of tension testing machines or packaging machinery. Standard worm gear ratios 10-2/3:1 and 32:1. Standard design with translating screw, keyed screw for anti-rotation, and rotating screw with traveling nut.


Features
1. Upright or inverted installation with maximum static load capacity 490 kN in tension or compression.
2. Self-locking with no need brake or lock mechanisms to hold position. 
3. Trapezoidal screw with 120mm diameter, 16mm pitch (single start trapezoidal screw thread).
4. Available in 10-2/3:1 and 32:1 ratios.
5. Custom travel lengths from 30mm to 7500mm. 
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 handwheel with handle (manual operated screw jack) or by a electrical motor (electric motor screw jack). 
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 and Materials
1. Trapezoidal 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  

Specifications
The specifications of 490 kN Capacity Machine Screw Jack Lift, 50 Ton Worm Gear Screw Jack include maximum load capacity, worm screw diameter and pitch, worm gear ratio, allowable maximum input power, torque and speed and overall efficiency etc. 

1. Conditions: within 20% running time/60 minutes or within 30% running time/10 minutes, 20 °C ambient temperature. 
2. Note: Number of synchronizing jacks which can be connected on the same line is limited by input shaft strength. Refer to the maximum allowable input shaft torque on the above table.
3. Relative humidity: 85% or less (no dew condensation). 
4. Operating ambient atmosphere: Indoor Environment (Indoor room where rain and water cannot enter. Dust volume should be normal).
5. Selection of screw jacks using above figures should only be carried out in consultation with Jacton engineers.

Assembly Drawings
Find out 490 kN Capacity Machine Screw Jack Lift, 50 Ton Worm Gear Screw Jack front view, side view and top view assembly drawings. About 2D Autocad dwg, dxf assembly drawings, and 3D stp, step, model, igs, prt or catpart assembly drawings of 490 kN Capacity Machine Screw Jack Lift, 50 Ton Worm Gear Screw Jack, please contact us directly.