disc screens conveyor baler DISC SCREENS Disc screens have been used for construction and industrial purposes for quite some time. There are generally two different types of disc screens in the recycling industry for fibre sorting: cardboard and newsprint screens. Disk screens have also been produced for single stream recycling systems to separate the containers from the fibres. Equipment carriedd by Machinex includes conveyors, disc screens, sorting platforms, magnets, eddy current separators, as well as balers.