Redesign of Plastic Bottle Closure to Eliminate Failure
Dr. Duane Priddy, Plastic Expert Group
Dr. Duane Priddy, Plastic Expert Group
Plastic five-gallon pails, with handles attached, are used extensively. Our client manufactures these pails and was experiencing occasional failure at the point of attachment of the handle to the side of the pail. Our experts evaluated the current design and performed computer modeling using finite element analysis (FEA) to redesign the handle and eliminate the failures.
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What Can Weaken Plastic?
The most common cause of plastic parts to weaken is exposure of the plastic to sunlight. Plastics consist of long polymer chain molecules...