New Methods for Quality Analysis of Deep-Drawn Packaging Components from Paperboard

Wallmeier, Malte; Hauptmann, Marek; Majschak, Jens‐Peter

doi:10.1002/pts.2091

Cited by 20 publications

(18 citation statements)

References 6 publications

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“…The effect of the blankholder force was the dominant effect on the wrinkle quantity. This was in accordance with Hauptmann (2010) and Wallmeier et al (2015). The excess material during forming was pushed into more, but finer wrinkles at higher blankholder forces.…”

Section: Model and General Influencessupporting

confidence: 90%

“…The higher temperatures of the matrix yielded higher wrinkle quantities. This effect was confirmed by Wallmeier et al (2015).…”

Section: Model and General Influencessupporting

confidence: 59%

“…It was confirmed that the main influence was the blankholder force (Wallmeier et al 2015). An additional influence was attributed to the temperature of the matrix.…”

Section: Discussionmentioning

confidence: 83%

“…After reaching the maximum amount of wrinkles, the excess material during the deep-drawing process was added to already existing wrinkles and almost no new wrinkles were formed (cf. Wallmeier et al 2015).…”

Section: Effect Of the Drawing Heightmentioning

confidence: 99%

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Analysis of Dominant Process Parameters in Deep-Drawing of Paperboard

Müller¹,

Lenske²,

Hauptmann³

et al. 2017

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The application of the wrinkle measuring method described in Müller et al. (2017) and the subsequent evaluation algorithm of a range of deepdrawn samples were used to determine the influences and interdependencies of blankholder force, tool temperatures, and drawing height on the formation of wrinkles in paperboard. The main influences were identified and quantitatively evaluated. For the given experimental space, a regression function was derived and validated in further experiments. It was shown that a quadratic regression was superior to the previously used linear regression. The findings were discussed and compared with the results of similar experiments from past publications. Special attention was given to the wrinkles formed and the resulting quality of the formed paperboard cups. The restrictions of the data acquisition from the measuring method that was used and limitations of the model were presented to demonstrate the reliability of the results.

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Section: Model and General Influencessupporting

confidence: 90%

“…The higher temperatures of the matrix yielded higher wrinkle quantities. This effect was confirmed by Wallmeier et al (2015).…”

Section: Model and General Influencessupporting

confidence: 59%

“…It was confirmed that the main influence was the blankholder force (Wallmeier et al 2015). An additional influence was attributed to the temperature of the matrix.…”

Section: Discussionmentioning

confidence: 83%

Section: Effect Of the Drawing Heightmentioning

confidence: 99%

See 2 more Smart Citations

Analysis of Dominant Process Parameters in Deep-Drawing of Paperboard

Müller¹,

Lenske²,

Hauptmann³

et al. 2017

BioResources

Self Cite

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“…Wallmeier et al (2015a) presented a method for an automated detection of wrinkles and investigated the most important process parameters influencing the formation of wrinkles. It was found that the blankholder force was the most important parameter controlling the formation and distribution of wrinkles.…”

Section: Introductionmentioning

confidence: 99%

The Occurrence of Rupture in Deep-Drawing of Paperboard

Wallmeier¹,

Hauptmann²,

Majschak³

2016

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The production of paperboard packaging components in fast-running machines requires reliability of the production process. Boundaries for the process parameters and constraints for the geometry of the tools require investigation to determine dependable configurations. This paper aimed to investigate the relationships between process parameters, tool geometry, and the occurrence of rupture in the deep-drawing process of paperboard. Different types of ruptures in various phases of the process were distinguished and linked to their specific cause. An extensive experimental investigation with multiple variables of influence was conducted. A logistic regression model was used to describe the experimental data and was statistically validated. The blankholder force was found to be the most influential parameter. Interactions between the parameters blankholder force, punch velocity, and punch diameter were recognized. A high punch velocity can reduce the probability of rupture when the punch diameter is adjusted.

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Parametric Study of Hydroforming of Paper Materials Using the Explicit Finite Element Method with a Moisture‐dependent and Temperature‐dependent Constitutive Model

Linvill

Östlund

2016

Packag Technol Sci

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A moisture‐dependent and temperature‐dependent constitutive model for paper materials was proposed and implemented into a finite element model of the paper hydroforming process. Experimental hydroforming was conducted at temperatures of 23°C and 110 °C and moisture contents of 6.9 and 10.6 (respectively corresponding to 50 and 80% relative humidity). The proposed model, which also included the effects of drying, captured the extent of forming of all experimental results within reasonable accuracy. For the moisture content and temperature conditions in this study, the phenomenon of drying was found to be the reason why the application of temperature had a much greater effect on the degree of forming than hydroforming at various moisture contents. A simulation‐based parametric study was conducted in order to identify the importance of various process and material parameters. This parametric study confirmed many previous empirical findings and was capable of quantifying the extent to which these process and material parameters affect the three‐dimensional formability of paper. The coefficient of friction was identified as one of the most important factors when determining the extent of forming. Copyright © 2016 John Wiley & Sons, Ltd.

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New Methods for Quality Analysis of Deep-Drawn Packaging Components from Paperboard

Cited by 20 publications

References 6 publications

Analysis of Dominant Process Parameters in Deep-Drawing of Paperboard

Analysis of Dominant Process Parameters in Deep-Drawing of Paperboard

The Occurrence of Rupture in Deep-Drawing of Paperboard

Parametric Study of Hydroforming of Paper Materials Using the Explicit Finite Element Method with a Moisture‐dependent and Temperature‐dependent Constitutive Model

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