Tag Archives: screening plant

the latest screening plant screenbox 480

introducing the latest screening plant to revolutionise the mobile screening and crushing industry. precisionscreen australia our launching their new 20×8 horizontal triple deck on tracks making this one of the largest mobile screening plants in the world that can be transported as one component. this machine is packed full of features that makes this plant the perfect choice for the high end producer.

features include:

•20×8 triple deck jci flat deck screenbox (480 square feet screening area)

•self levelling under carriage, so the plant can be level anywhere on quarry floor, maximising material flow efficiency and screening

•4 conveyors are hydraulically folding

•2 of the side conveyors radial hydraulically by the touch of a lever maximising stockpile capacity

•2 conveyors are hydraulically height adjusted for feeding into other machines minimising spillage and aid set-up time

•can recirculate oversize into a crusher in closed loop without the need for an extra conveyor

•discharge conveyor heights either 6m or 5m

•all discharge conveyors are 800mm wide and adopt the revolutionary ‘sealed conveyor’ system, maximises full use of

the belt width with no need for skirting

•1500mm wide feed conveyor

•hydraulically folding catwalks– to australian standard 800mm wide

•cat c7 engine powerpack

precisionscreen ‘sealed conveyor system’ technology

this technology is used on all discharge conveyors of the ps480t. these conveyors are different to the conventional ones seen on most mobile plants, as they have no roller brackets or roller carriers. the rollers are connected at the top of the wing roller by shaft and linked together by chain link (free hanging and moving). this radical idea allows material to flow evenly over the rollers and allows them to move with the weight of the belt ensuring support at all times. the main benefit of this style conveyor is the sealed arrangement so no material leaks/spills. the 800mm wide belt is supported either side above wing roller by a slide bed, weight on the belt from material forces down the belt on to this slider bed creating a full seal. this then negates the need for skirt rubber. also protects the tail drum and keeps it free from roll back stone that you may get from more common conveyors. as the conveyor is completely sealed there is minimal chance for a stone to get under the belt. even if one does there are no roller carriers for it to get caught in. this is a very simple and effective conveyor that will increase your up time and lower running costs– less roller failure, no skirts and better belt life due to no wear troughs from skirts.

former name: extec s-3 screen

the most compact member of the qa-series is a single screen box screener that uses state of the art design technology to construct a screener for today’s contractor requirements. with a variety of features such as diesel hydraulics to enable self-propelled tracks, new main conveyor spreader plate to allow full use of screen mesh width, and remote control of tracking and grid tip functions: the qa140* is truly world class.

features and values:

•capable of high production rates due to large screening area and high frequency double deck screen

•powerful enough to work at the quarry face, yet compact enough for the inner city development or recycling centre

•modern chassis design ensures in-built machine quality and strength for maximum up time

•designed for optimum fuel economy and low operating cost