Bottero innovates with optimized high performance mold-motion

Leading in the glass industry is Bottero’s declared ambition. The recent launch of E-MOC, a family of mold opening and closing mechanisms (MOC), has challenged the hollow glass industry.

E-MOC introduces a completely new cooling concept, granting the possibility to achieve the proper temperature profile, according to the type of process required for the application field.    

The challenge

"The innovative idea behind E-MOC design is the result of our R&D team’s work: numerous constraints were limiting thepossibility of changing the machinery design, so modeFRONTIER, the multi-objective optimization platform, came to our help."

- Marcello Ostorero, Structural and Fluid Dynamics Simulation Department Manager at Bottero

The mechanism had to be equipped with a universal mold holder providing efficient cooling and, when mounted, it had to be readily accessible and installable on both new and existing machines. The optimal system performance called for a smooth and precise mold motion, with fast closing time, and maximum closing and clamping forces.

The solution

The complexity of the problem was tackled with modeFRONTIER within two optimization cycles. The aim of the first one was to minimize mold motion oscillations. The results were then used to conduct a sensitivity analysis, which revealed the piston center movement as the most important variable for mechanism stability, but the geometrical constraints did not allow the piston to maintain the optimal trajectory. This unexpected obstacle was bypassed by replacing the single large piston with three smaller ones. In the second optimization cycle modeFRONTIER guided the model adjustments to minimize mechanism lability and oscillations, while keeping constant the newfound optimal values of component geometries and of piston center movement. 

Selected configuration highlighted in modeFRONTIER parallel chart.

Courtesy of Bottero


modeFRONTIER benefits

“Due to the intricate nature of the required mechanism, the systematic optimization approach proposed by modeFRONTIER was the only way to obtain a functioning high-performance design. modeFRONTIER managed to find a fine balance between a high number of rigorous constraints and adjust the model geometry to the most important mechanism specifications so as to increase its efficiency and quality, while successfully driving a number of software, each solving a single aspect of the problem, integrated in a single workflow”

- Marcello Ostorero, Structural and Fluid Dynamics Simulation Department Manager at Bottero

DOWNLOAD ► Bottero Infosheet (pdf)

VISIT ► Bottero website

600450 Bottero innovates with optimized high performance mold-motion
Date: 14 May 2013

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