Title:	DEVELOPMENT OF AN INFORMATION SYSTEM WITH MATURITY DEGREE MANAGEMENT FOR AUTOMATED SCREWING PROCESSES
Author(s):	Lebedynska Yuliya, Berger Ulrich
ISBN:	978-972-8939-68-7
Editors:	Miguel Baptista Nunes, Pedro Isaías and Philip Powell
Year:	2012
Edition:	Single
Keywords:	Information system; automated processes; screwing control; process parameterization
Type:	Full Paper
First Page:	49
Last Page:	56
Language:	English
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Paper Abstract:	Sophisticated screwing processes in modern screwing equipment are marked with complex parameter settings of the screwing operations and with their assessment requirements. To gain the potential for improvement, the screwing processes must be handled using a special strategy. To determine the exact parameters and to achieve improved process quality requires development of analysis tools to diagnose the parameter attributes. Increased requirements in the screwing processes demand operator best fit training procedures. A continuous improvement concept for the process control is required to enhance work quality. An information system with a maturity degree for automated screwing processes is developed. To avoid the technical risks, some mechanisms were developed, which automatically extract the process related data and provide it to operator afterwards. By using the information system, information (process and control data) about the parameterization of the screwing control with standardized correlations and a clear tracing of working steps is provided. In this way the running, modification and optimization of the screwing process can be implemented without errors. The developed information system was evaluated on an experimental platform for screwing process in the research laboratory. Thereby, the functionalities of the platform and their components are described and a validation of the developed system is carried out. The development and assembly of the components is presented. Data interrelations are also described in detail. With the developed information system the correct parameterization of the screwing processes with a degree of maturity of the process parameters were achieved. The evaluation of the maturity degree is made with the help of functional properties of the parameters. Consequently, an obvious minimization of the mistakes and a simple screwing process control is achieved.
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