CONVEYOR HANDBOOKThe layout of this manual and its easy approach to belt design will be readily . help with any problems in the design, application or operation of conveyor belts.belt conveyor design pdf,1 Technical Information12. Technical. Information project and design criteria for belt conveyors. 1. ®. 1.2. Technical Symbols a pitch of troughing sets m. A length of roller spindle mm ag.