Case Studies

Kelston Actuation Applications

Aircraft Wing Trolley


A service trolley that transports an aircraft wing between workstations.
The Top Platform is supported by a 4off Model J03 Worm Screw Jack system which can be raised from the loading position to give access for working and then lowered. The Screw Jack system moves a vertical payload of 2,500kg over a working travel of 800mm at a lifting speed of 240mm/minute.
The fully mechanically interlinked system with its Screw Jacks, Bevel Boxes, Drive Shafts, and Drive Shaft Couplings is operator controlled through a fully integrated.




Aircraft Ground Support

Trunnion Mounted Motororized J03 Bespoke Screw Jacks with a working travel of 700mm, fitted with Rotary Encoder. A set of twin Screw Jacks installed outdoors providing intermittent positional movement control to the horizontal accurate placement of independent dock load platforms against an Aircraft Fuselage.



Shipyard Roll Press

A twin Multi-Jacking system deploying an upgraded Model J09
Bespoke Worm Screw Jack for the horizontal movement and positioning of a Shipyard Roll Press bottom roll cradles. All of the Screw Jacks on each system are mechanically interlinked and driven by a common electric motor. The Worm Screw Jack is designed to move the series of interlinked cradles into their required position and sustain and hold a 150-tonne compressive load for long durations without displaying any movement.



Steel Production: Heat Treatment

A Steel Works Plate Mill Cooling Bank with a 4off Model J06 Bespoke Worm Screw Jack system to raise and lower a large structural framework over a hot steel plate.



Food Processing

A set of 2off Model J05 Worm Screw Jacks mechanically linked and driven by a common motor to raise and lower a bottom roll to provide gap adjustment on a bakery dough forming machine. Units have high ratios for finer positional control.



Paper Making

A series of 2off Bespoke Model J02 Worm Screw Jacks double clevis mounted units that are mechanically interlinked and provide short working stroke, fine adjust-ments on a paper production forming machine. The Jacks incorporate several special features which are selected and designed to recognise the harsh work-ing environment and provide protection against corrosion and liquid penetration.have high ratios for finer positional control.









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