BESPOKE SOFTWARE CREATES VIRTUAL BOTTLE

Investment in advanced CAD software means RETAL can create precise bottle simulations without incurring the cost or time of prototyping.

PET and rPET packaging producer RETAL is dedicated to delivering responsible solutions to its global beverage customers, so this latest development supports its focus on creating lighter, stronger bottles that meet the precise performance and sustainability goals of brand owners.

Designer Andzejus Buinovskis explains, “We searched the market for a dedicated software suite that would allow us to simulate the stretch blow moulding process, but we couldn't find what we wanted, so we worked with Dassault Systemes to add several plug ins to its ABAQUS software product that provided the exact 3D modelling and types of parameters we require.”

The bespoke simulation software now in operation at RETAL's dedicated R&D Centre means that it is able to create precise information regarding performance relating to the distribution of the thickness and stretch ratio of the bottles without needing to produce a physical product. Buinovskis adds, “With the 3D model of the preform and bottle, we can simulate different temperatures, movements, pressures and pre-blow and blow variations. It's a powerful tool that saves the considerable time and money associated with prototyping; in one case, two bottles of the same weight but different geometry showed that one had a better stretch ratio, making it stronger.”

Comparing bottles of the same weight with different geometry, it is possible to choose the most durable bottle in terms of stretch ratio. This means that physical tests can be conducted for the most optimal model, avoiding the cost of testing all intermediate versions.

Investing in this complex software makes it faster, cheaper and easier for its global brand customers to choose the precise bottle for their food and beverage applications.



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