Improving the quality of glass containers production with plunger process control

Kovačec, Miroslav; Pilipović, Ana; Štefanić, Nedeljko

doi:10.1016/j.cirpj.2011.02.003

Cited by 8 publications

(6 citation statements)

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“…The measurement setup used in this article is similar to what was used in the article [17], with some modifications to adapt to the dimensions of the glass machine. The measurement setup was prepared for placement around an individual section IS machine [3,8] in a production line of a running glass plant. This multi-camera setup consists of two high-speed uEye UI-3060CP-M-GL-R2 monochrome cameras and an additional high-speed thermal camera FLIR A6752sc.…”

Section: Methodsmentioning

confidence: 99%

“…Typically, there are four primary operations in glass manufacturing, i.e., batching, melting, fining and forming. The production of molten glass gob that has a nice shape, homogeneity in temperature and viscosity with the desired mass and weight starts in the batching and melting stages [8]. However, when the molten glass is cut and dropped, with the pull of gravity from the fore-hearth, the glass gob travels in a state of free-fall for a while before it enters the delivery system that is attached to the glass container forming machines.…”

Section: Introductionmentioning

confidence: 99%

“…The figure shows a typical glass container manufacturing plant from hot end to cold end. The dotted circle shows the measuring point where molten gobs free-fall between the feeder mechanism and delivery system to enter into the glass forming machine [8].…”

Section: Introductionmentioning

confidence: 99%

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A Study on the Correlation between Change in the Geometrical Dimension of a Free-Falling Molten Glass Gob and Its Viscosity

Hussain

O’Nils

Lundgren

et al. 2022

Sensors

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To produce flawless glass containers, continuous monitoring of the glass gob is required. It is essential to ensure production of molten glass gobs with the right shape, temperature, viscosity and weight. At present, manual monitoring is common practice in the glass container industry, which heavily depends on previous experience, operator knowledge and trial and error. This results in inconsistent measurements and consequently loss of production. In this article, a multi-camera based setup is used as a non-invasive real-time monitoring system. We have shown that under certain conditions, such as keeping the glass composition constant, it is possible to do in-line measurement of viscosity using sensor fusion to correlate the rate of geometrical change in the gob and its temperature. The correlation models presented in this article show that there is a strong correlation, i.e., 0.65, between our measurements and the projected viscosity.

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Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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A Study on the Correlation between Change in the Geometrical Dimension of a Free-Falling Molten Glass Gob and Its Viscosity

Hussain

O’Nils

Lundgren

et al. 2022

Sensors

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“…Double plunger pump is used to achieve precise control of PCM flow. Kovacˇec et al 18 used a plunger pump to automatically adjust the quality of the glass goaf, which greatly improved the accuracy. Through the suction and discharge of the plunger metering pump, the paraffin is filled into the fixed block container.…”

Section: Pcm Packaging Processmentioning

confidence: 99%

Two-degree-of-freedom internal model control of particle swarm optimization for flow temperature control system in phase change material packaging technology

Zhang

Duan

et al. 2022

Proceedings of the Institution of Mechanical Engineers, Part I:

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In this article, a phase change material packaging process system was designed. In view of the hysteresis of the system flow temperature control, a two-degree-of-freedom internal model PID (PSO-TDF-IMC-PID) controller based on particle swarm optimization was determined based on the flow regulating valve model, so as to control the phase change material outlet temperature to keep constant with establishing the system heat transfer model. Compared with other control algorithms, the PSO-TDF-IMC-PID algorithm is proved to be fast, anti-interference and robust. The traditional integral of time multiplied by the absolute value of error criterion performance index is improved, and the improved integral of time multiplied by the absolute value of error criterion is applied to PSO-TDF-IMC-PID algorithm for simulation comparison. Simulation results show that the improved integral of time multiplied by the absolute value of error criterion can effectively eliminate overshoot. The overshoot is reduced from the original 8% to almost 0. To reduce system energy consumption and improve economy, energy consumption constraint conditions are added into the variable trial-error algorithm to calculate economic flow rate and inlet temperature of heat conduction oil. The results show that the dynamic parameters of the system accord with the constraint condition of energy consumption.

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“…No molde é formado o parison, pré-forma obtida por prensagem, que em seguida é conformada na forma final por sopro em um segundo molde [29], conforme ilustrado na Figura 9 [30]. A Figura 10 ilustra uma máquina de conformação de vidro em funcionamento.…”

Section: Conformaçãounclassified

Estudo do efeito de contaminantes provenientes do caco reciclado na qualidade de embalagens de vidro sodo-cálcico

Gonçalves

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AGRADECIMENTOSÀ Deus, por ser presente em minha vida, e me dar coragem, disciplina e determinação, mesmo nos momentos mais difíceis.À Vidroporto pelo apoio na realização deste trabalho, não só contribuindo com a flexibilidade dos meus horários para realização de disciplinas, como permitindo utilizar os dados industriais empregados no mesmo.À Owens Illinois, pelo apoio e contribuição na finalização desse trabalho, com ética, estimulando o desenvolvimento de seus funcionários, e apoiando instituições acadêmicas.Ao meu orientador e amigo Prof. Dr. Eduardo Bellini Ferreira, sempre paciente, atencioso e colaborativo, contribuindo para meu crescimento científico e intelectual, demonstrando não só seu profissionalismo e capacitação, mas seus ideais de professor e ser humano.Ao meu coorientador e grande amigo Dr. Mauro Akerman, uma pessoa ao qual eu tenho muita admiração, um grande profissional, sempre disposto a compartilhar seus conhecimentos, e que com certeza foi uma grande inspiração para a realização desse trabalho. Agradeço por todo incentivo, ajuda e disponibilidade.Ao meu esposo Alan, por sempre acreditar em minha capacidade, mesmo nas vezes que eu duvidei, por toda paciência e motivação.À minha mãe Sandra, cujos exemplos e orientações sempre nortearam minhas ações, sentindo orgulho de mim. E a minha irmã Marina que sempre me incentivou e acreditou no meu sucesso. À minha sogra Ângela, pelas palavras de incentivo.Ao meu querido amigo Yvan Agniel pelo apoio e incentivo, e por disponibilizar materiais que foram de grande ajuda para esse trabalho.Aos meus colegas Marcos H. Gibim pela ajuda com a identificação de defeitos; Pierre por disponibilizar materiais que foram de grande ajuda; Guilherme Macena pelo suporte na análise do MEV, e Ana Caroline pela ajuda com a formatação do trabalho.Aos Professores que participaram da banca de qualificação, pelas valiosas críticas e sugestões.Aos Professores que participaram da banca de defesa, Ana Cândida e Samuel Toffoli pelos sábios comentários, críticas e sugestões, que com certeza foram de muita relevância para enriquecer esse trabalho.

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Improving the quality of glass containers production with plunger process control

Cited by 8 publications

References 0 publications

A Study on the Correlation between Change in the Geometrical Dimension of a Free-Falling Molten Glass Gob and Its Viscosity

A Study on the Correlation between Change in the Geometrical Dimension of a Free-Falling Molten Glass Gob and Its Viscosity

Two-degree-of-freedom internal model control of particle swarm optimization for flow temperature control system in phase change material packaging technology

Estudo do efeito de contaminantes provenientes do caco reciclado na qualidade de embalagens de vidro sodo-cálcico

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