Pollard Banknote –Stacking System
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Date
2016-12-07
Authors
Hui, Godwin
Kim, Yeongho
Sun, Qianxie
Zhu, Bin
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Abstract
printing operation that deals with specialized printing. Today, they are one of the leading experts in instant tickets with more than 30 years of experience worldwide. The company has approached us to design an automated stacking process to replace the manual process that is currently being used in their finishing process. The entire finishing process involves separating the large groups of tickets (slabs) coming from the printing line into smaller groups of tickets (books) which are packaged and loaded into boxes (cartons). Our project only focuses on a method of stacking the books into the desired quantity and orientation to prepare them for loading into boxes. We split the stacking system in multiple subcomponents to break down the problem for easier analysis. The individual components include an input and output system, the stacking method, a buffer system, a container system, an ejection method, a notification system, system adjustability, and a counting method. After brainstorming and coming up with a list viable options for each subcomponent, we developed criteria for selecting the best idea and used weighted scoring to help us determine which option was the best for each subcomponent. We then combined the ideas and checked their compatibility and made changes where needed to reach our final concept selections summarized in the table below. Using the final concept selections, a 3D model was created in SolidWorks to use for preliminary finite element analysis (FEA) and for animation to prove the concept of our stacking system. With the results of the FEA showing that our dimensions and material selection were viable, we Elements Input / Output Stacking Buffer Container Ejection Alert Adjustment for Book Sizes Counting Selected Concept Conveyor Gravity Horizontal Tapered box Pneumatic Light + Screen + Sound Different containers Touch sensor III proceeded with a physical prototype made from wood, which could be used to demonstrate the ideas behind our concept. Finally, a failure mode and effects analysis was performed on the stacking system to determine where the problems were and what...