COMPOSITE MATERIAL UNCOILER

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Date
2017-12-06
Authors
Froese, Matt
Lu, Kuankuan
Scott, Brenden
Thakur, Mannan
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Triple E RV, manufacturer of recreational vehicles, currently faces an issue regarding themanufacturing of floors and walls of their vehicles. The current system being used to handle5000 lbs rolls of composite material, called Cosmolite contains no provision to maintain thetightly wrapped roll once the packaging straps are removed. Additionally, the current system isdifficult to maneuver due to its large size and weight. To reduce operator strain and increaseefficiency, Triple E RV has requested that a new system be designed to handle the rolls ofCosmolite material.By examining the requests of the client, the team has identified the most important needs of the project which include supporting the weight of the roll of composite material,constraining the composite material in a tightly wrapped roll during use, providing a better method of uncoiling and recoiling the composite material, positively retaining the roll of composite material, and improving the maneuverability of the roll of material.A total of 56 feasible concepts to achieve the client’s requirements were generated in the team’s concept generation and selection phase. These concepts were evaluated using screening and scoring matrices based on their ability to meet the needs of the client. The results of the screening and scoring process, along with input from the client, helped the team identify the concept which would result in the optimal final design.Numerous analyses were performed during the optimization included in the final design phase of the project. Analysis of the composite material’s stiffness was determined to evaluate the force required to maintain the composite material in a tightly wrapped roll. Safety and kinematic analysis was performed on the composite roll of material to determine the force required to move the design with a full roll of material, as well as the torque required to rotate the roll at an appropriate rate for uncoiling and recoiling. Stress analysis, including preliminary finite element analysis, welding sizing analysis, and bearing stress analysis were performed on all load bearing components to determine the required component sizes necessary to maintain a safe design.The foundation of the design is the Bottom Frame, constructed of structural steel tubing. The frame is...
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