Enclosure design for an automated vacuum application
Flores Milán, Mario R.
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The plastic injection industries make use of the Deflashing Machine, which requires to recycle the filter that collects the plastic shaving dust, down to 0.2um. A series of automated subsystems, located in portable frame table, were already designed with the purpose to remove dust from the filter using jet air nozzles and collecting it with a dust collector. The only system not yet designed was an enclosed system with capacity to isolate the plastic dust from the atmosphere and to hold a given external pressure load, caused from vacuum pressure, of 15 Psi. A design concept was made, then optimized with the use of plates theory, comparing stress and deflection results with computer aided engineering and design (CAE/D). The results of the finished design provided an enclosed system with 1.5 safety factor, 88% deflection decrease from the conceptual design and which consumed only 19.4% of the general budget ($21,000). Key Terms ⎯ Finite Element Analysis, Large Deflection, Plate Theory, Vacuum Pressure.