SCREW CONVEYOR MANUAL- design handbook conveyors ,They are not to be considered design drawings for the concept of a process or system. All screw conveyor components are manufactured to the standards of the Conveyor Equipment Manufacturers’ Association. (CEMA) ... Screw Conveyor Manual ...Screw Conveyor Design Manual | Material Handling Systems ...Screw Conveyor Component & Design Manual: Click to request a copy *by electing to download the manual you are agreeing to receive periodic product updates from Conveyor Engineering.