Abstract
Simulation of the injection stretch blow moulding (ISBM) process for the PET (polyethylene terephthalate) bottle manufacturing process is important in improving quality of PET bottles and reducing production time. This paper presents an investigation of finite element simulation of the ISBM process utilising B-SIM simulation software. For a given perform shape, results are obtained on the effect of various process parameters on wall thickness distribution of PET bottles. On completion of the simulation, the simulated bottle file is exported from B-SIM to ANSYS finite element analysis software for structural analysis. Top load analysis and internal pressure analysis are conducted in verifying the mechanical strength of PET bottles. Results indicate that by proper selection of process parameters and by B-SIM simulation, PET bottles of desired strength can be produced by the injection blow moulding process with more uniform thickness distribution.
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