University of Twente Student Theses
Measurements and control of mould oscillation during continuous casting of steel
Schimmel, N. (2016) Measurements and control of mould oscillation during continuous casting of steel.
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| Abstract: | Steel is cast in two continuous casting machines at the Basic Oxysteel factory at TATA Steel IJmuiden. During the casting process the mould is oscillating for various reasons. A measurement system is installed to monitor the displacements of the mould in all directions and to determine multiple parameters, like negative strip time or phase difference in movement between the corners of the mould. This is done by four sensors. Each sensor is placed on one corner of the mould. For standardisation, work instructions for the placement of the sensors are made within this report. Practical analysis is performed at the Direct Sheet Plant, at the maintenance department of the casting machines and the Basic Oxysteel Factory itself. Data analysis is done to analyse the performance of the oscillators and analyse some clear deviations in oscillator behaviour. Using the collected information, recommendations for both casting machines were made to optimize their oscillator behaviour. For further analysis, it is important to understand the boundaries of the oscillator behaviour. The possibilities for those boundaries are technical or process technical boundaries. It is also possible to develop boundaries based on Statistical Process Control. The possibilities will be investigated and discussed. Finally, a proposal for an oscillation test is set up, in order to collect more information about the parameters in combination with the casting machines. But also for process and quality control. |
| Item Type: | Internship Report (Master) |
| Faculty: | ET: Engineering Technology |
| Subject: | 52 mechanical engineering |
| Programme: | Mechanical Engineering MSc (60439) |
| Link to this item: | https://purl.utwente.nl/essays/72011 |
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