Self-optimized, Intelligent Open-Loop-Controlled Steel Strip Straightening Machine for Advanced Formability

Bader, Fabian; Bathelt, Lukas; Djakow, Eugen; Homberg, Werner; Henke, Christian; Trächtler, Ansgar

doi:10.1007/978-3-030-75381-8_1

Cited by 3 publications

(4 citation statements)

References 10 publications

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“…Development of the novel straightening-machine design was mandated by the desire to develop an innovative assistance system for the setup process of straightening machines as described in [8][9][10]. Conventional setup processes involve extensive trial-and-error processes or intensive material testing.…”

Section: Motivationmentioning

confidence: 99%

“…The precise measurement of forces acting on the straightening rollers represents an appropriate means to achieve this. For this reason, development of an intelligent, self-optimizing straightening machine with an integrated force-measurement concept was incentivized and carried out in earlier work [10,11]. However, several points of improvement to mitigate inaccuracies within the force-measurement process during experimental use could be identified.…”

Section: Motivationmentioning

confidence: 99%

“…Another approach was used for a straightening machine in [10,11]. It was developed for a precursor project to the novel machine described in this article [8].…”

Section: Review: State Of the Research Field And Measuring Conceptsmentioning

confidence: 99%

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Novel Straightening-Machine Design with Integrated Force Measurement for Straightening of High-Strength Flat Wire

Bathelt,

Scurk,

Djakow

et al. 2023

Sensors

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In a punch-bending machine, wire products are manufactured for a wide range of industrial sectors, such as the electronics industry. The raw material for this process is flat wire made of high-strength steel. During the manufacturing process of the flat wire, residual stresses and plastic deformations are induced into the wire. These residual stresses and deformations fluctuate over the length of the semi-finished product and have a negative effect on the final product quality. Straightening machines are used to reduce this influence to a minimum. So far, the adjustment of a straightening machine has been performed manually, which is a lengthy and complex task even for an experienced worker. This inevitably leads to the use of inefficient straightening strategies and causes high rejection rates in the entire production process. Due to a lack of sensor information from the straightening operation, application of modern feedback control methods has not been practicable. This paper presents a novel design for a straightening machine with an integrated, precise straightening force measurement. By simultaneously monitoring the position of the straightening rollers, state variables of the straightening operation can be derived. Additionally, a tension control for feeding the flat wire is introduced. This is implemented to mitigate the disturbing effects caused by irregularities in the wire-feeding process. In the results of this article, the high precision of the developed force measurement design and its possible applications are shown.

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Section: Motivationmentioning

confidence: 99%

Section: Motivationmentioning

confidence: 99%

See 1 more Smart Citation

Novel Straightening-Machine Design with Integrated Force Measurement for Straightening of High-Strength Flat Wire

Bathelt,

Scurk,

Djakow

et al. 2023

Sensors

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show abstract

“…In this context, a more precise curvature compensation is achieved with only a minimal change in the previously adjusted material properties. The research and development of the novel 3D straightener is based on the fundamentals created in the AiF-funded project "Set-up assistance systems for straighteners" in the form of the developed set-up assistance system [1,2]. The obtained findings form the basis for the design and development of the sensor and actuator systems as well as the compensation strategy of additional geometric errors such as the saber curvature or the he-lix shape.…”

Section: Strategies To Meet the Action Requirementsmentioning

confidence: 99%

An Approach for an Innovative 3D Steel Strip Straightening Machine for Curvature and Saber Compensation

Bader

Bathelt

Djakow

et al. 2022

KEM

Self Cite

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Due to increasing globalization and rising quality requirements, the steel and metal processing industry is facing growing cost and innovation pressure. Not least because of their high lightweight potential, high-strength steel materials are meeting the growing material requirements of steel and metal processing in areas such as aerospace and medical technology. In particular, the tight tolerance limits of applicable shape and dimensional accuracies pose a challenge in the processing of high-strength steel strip materials. Improving the processability of high-strength steel materials through the use of straighteners with set-up assistance systems significantly increases the potential for competing with other materials such as aluminum or magnesium alloys.

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Towards an intelligent straightening system for flat enameled copper wire: problem statement, review of related work, and basic concept

Mayr

Baader²,

Raffin³

et al. 2022

Procedia CIRP

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Self-optimized, Intelligent Open-Loop-Controlled Steel Strip Straightening Machine for Advanced Formability

Cited by 3 publications

References 10 publications

Novel Straightening-Machine Design with Integrated Force Measurement for Straightening of High-Strength Flat Wire

Novel Straightening-Machine Design with Integrated Force Measurement for Straightening of High-Strength Flat Wire

An Approach for an Innovative 3D Steel Strip Straightening Machine for Curvature and Saber Compensation

Towards an intelligent straightening system for flat enameled copper wire: problem statement, review of related work, and basic concept

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