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Using control charts X-R in monitoring a chosen production process

Dudek-Burlikowska M.

Journal of Achievements in Materials and Manufacturing Engineering

2011

Vol. 49, nr 2

487--498

Purpose: A new approach to production process monitoring in organization using control chart type X-R has been presented. Design/methodology/approach: The possibility of use of basic element of Statistical Process Control ( SPC method) is connected with continuous quality improvement of each production process in an enterprise. Interdependence of the quality research methods and production process’s requirements have been taken into account. Findings: At the present time the metallurgical enterprises should integrate quality management system and quality control with customer’s requirements, with defined both parameters of processes and quality methods. Such kind of strategy will enable to achieve success for these companies. Research limitations/implications: Control chart type X-R is very important quality tool. Its determined statistical measures are recorded properties of product obtained as a result of inspections taking randomly samples of products in the determined place of the process. Aim of control chart type X-R is observation and registration of the changeability of the characteristic of the researched element of the production process. Practical implications: The example of implementing control chart type X-R shows possibility of monitoring chosen parameters of production process according to an idea of defect prevention. Usage of this method allows for monitoring of production process, providing opportunities for cost reduction, and maintaining of production process stability. Originality/value: Application of basic element of Statistical Process Control in polish metallurgical companies have been presented. Purpose: A new approach to production process monitoring in organization using control chart type X-R has been presented. Design/methodology/approach: The possibility of use of basic element of Statistical Process Control ( SPC method) is connected with continuous quality improvement of each production process in an enterprise. Interdependence of the quality research methods and production process’s requirements have been taken into account. Findings: At the present time the metallurgical enterprises should integrate quality management system and quality control with customer’s requirements, with defined both parameters of processes and quality methods. Such kind of strategy will enable to achieve success for these companies. Research limitations/implications: Control chart type X-R is very important quality tool. Its determined statistical measures are recorded properties of product obtained as a result of inspections taking randomly samples of products in the determined place of the process. Aim of control chart type X-R is observation and registration of the changeability of the characteristic of the researched element of the production process. Practical implications: The example of implementing control chart type X-R shows possibility of monitoring chosen parameters of production process according to an idea of defect prevention. Usage of this method allows for monitoring of production process, providing opportunities for cost reduction, and maintaining of production process stability. Originality/value: Application of basic element of Statistical Process Control in polish metallurgical companies have been presented.