<abstract xmlns="http://www.w3.org/1999/xhtml"><p>As part of continuous quality improvement in well-managed enterprises, identifying unconformity should initiate actions to find their causes. Therefore, it was proposed to the enterprise located in Podkarpacie to use in the sequential way the Ishikawa diagram and 5Why method. The aim was to analyse of unconformity (porosity cluster) on the turbine outlet nozzle and identify the root of its creation. In the enterprise, the quality analysis of the products with a fluorescent method was carried out, but after identifying the unconformity, non-analysis of their reason for their occurrence was not practiced. Therefore, it was intentional to propose the use of sequence i.e. Ishikawa diagram and 5Why method to identify the root of unconformity. The subject of study was the turbine outlet nozzle, on which the fluorescent method the porosity cluster was identified. With the use of the Ishikawa diagram, the main cause of the problem was pointed (unconformity during production), and by the 5Why method the root cause of the problem, i.e. unconformity material from the supplier, was identified. The proposed method sequence is a simple and effective way to make analyses of unconformities and it can be used in different products and service enterprises.</p></abstract>

As part of continuous quality improvement in well-managed enterprises, identifying unconformity should initiate actions to find their causes. Therefore, it was proposed to the enterprise located in Podkarpacie to use in the sequential way the Ishikawa diagram and 5Why method. The aim was to analyse of unconformity (porosity cluster) on the turbine outlet nozzle and identify the root of its creation. In the enterprise, the quality analysis of the products with a fluorescent method was carried out, but after identifying the unconformity, non-analysis of their reason for their occurrence was not practiced. Therefore, it was intentional to propose the use of sequence i.e. Ishikawa diagram and 5Why method to identify the root of unconformity. The subject of study was the turbine outlet nozzle, on which the fluorescent method the porosity cluster was identified. With the use of the Ishikawa diagram, the main cause of the problem was pointed (unconformity during production), and by the 5Why method the root cause of the problem, i.e. unconformity material from the supplier, was identified. The proposed method sequence is a simple and effective way to make analyses of unconformities and it can be used in different products and service enterprises.

The use of quality management techniques to analyse the cluster of porosities on the turbine outlet nozzle

The Faculty of Mechanical Engineering and Aeronautics

Production Engineering Archives

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

As part of continuous quality improvement in well-managed enterprises, identifying unconformity should initiate actions to find their causes. Therefore, it was...

The use of quality management techniques to analyse the cluster of porosities on the turbine outlet nozzle

Published Online: Oct 07, 2019

Page range: 33 - 36

Received: Jul 15, 2019

Accepted: Sep 05, 2019

DOI: https://doi.org/10.30657/pea.2019.24.08

Keywords
quality, unconformity, mechanical engineering, Ishikawa diagram, 5Why method

© 2019 Dominika Siwiec et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

The use of quality management techniques to analyse the cluster of porosities on the turbine outlet nozzle

Published Online: Oct 07, 2019

Page range: 33 - 36

Received: Jul 15, 2019

Accepted: Sep 05, 2019

DOI: https://doi.org/10.30657/pea.2019.24.08

Keywordsquality, unconformity, mechanical engineering, Ishikawa diagram, 5Why method

© 2019 Dominika Siwiec et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
quality, unconformity, mechanical engineering, Ishikawa diagram, 5Why method