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Advanced Cooling Fixture Implementation to Maintain Dimensional Stability in Silo Boot Parts for Plastic Injection Molding from PP Bapolene 5063C

Author(s) Dhrudipsinh Dabhi
Country United States
Abstract This research paper presents the design and implementation of an advanced cooling fixture to address critical dimensional instability in Silo Boot parts molded with PP Bapolene 5063C material. The Silo Boot parts, being heavy and bulky, exhibited significant post-molding shrinkage, particularly at the rectangular openings. Traditional cooling methods, including belt conveyors, were inadequate to maintain dimensional specifications, leading to parts becoming oval-shaped and out of tolerance. This study introduces a novel cooling fixture connected to a constant chiller flow and exhaust system, ensuring effective cooling of the rectangular opening and stabilizing critical dimensions. The fixture was tested through DOE trials, and a finalized mass-production fixture was developed to enhance process efficiency while addressing floor space constraints and operator ergonomics. Results demonstrated a significant improvement in product quality, meeting the OD requirement of 17.400 +0.080/-0.020 inches and ensuring roundness.
Keywords Plastic Injection Molding, Cooling Fixture, Dimensional Stability, Silo Boot, Smart Manufacturing, DOE Trial, PP Bapolene 5063C, Shrinkage Control
Published In Volume 10, Issue 4, October-December 2019
Published On 2019-10-08
Cite This Advanced Cooling Fixture Implementation to Maintain Dimensional Stability in Silo Boot Parts for Plastic Injection Molding from PP Bapolene 5063C - Dhrudipsinh Dabhi - IJSAT Volume 10, Issue 4, October-December 2019. DOI 10.5281/zenodo.14551732
DOI https://doi.org/10.5281/zenodo.14551732
Short DOI https://doi.org/g8wtfc
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