Statistical Process Control (SPC) method to improve the capability process of drop impact resistance: a case study at aluminum cans manufacturing industry in Indonesia

Sunadi, Sunadi; Purba, Humiras Hardi; Saroso, Dana Santoso

doi:10.22105/jarie.2020.217565.1135

Document Type : Research Paper

Authors

¹ Department of Industrial Engineering, Postgraduate Faculty, Mercu Buana University, Jakarta 11650, Indonesia.

² Mercu Buana University.

https://doi.org/10.22105/jarie.2020.217565.1135

Abstract

The purposes of this study are, first, analyzing why the Capability Process (Cpk) index of Drop Impact Resistance (DIR) does not meet the customer requirement or below 1.33, second, finding out what improvements should be made to make it meet the specifications. Statistical Process Control (SPC) is a method used in this research with supporting other tools such as Cause and Effect Diagrams (CED), Nominal Group Techniques (NGT) and why, what, where, when, and how (5W1H) method. After improvement was made, the results of the study were satisfactory, the average of DIR test was increased by 26.21% i.e. from 20.41 cm to 25.76 cm, standard deviations reduced from 1.80 to 1.48, and the potential Cpk increased significantly from 0.48 to 1.79. The SPC supported by other statistical tools was effective and efficient to improve quality, so the process statistically can be categorized as in control. At the end of this research, the further discussion is still needed to maintain what has been achieved and also to make the research even better. It is recommended for further researchers to examine the chemical composition of aluminum M₁ alloy 3104 influence on the strength of the drop impact resistance and to analyze data. It is recommended to integrate or combine SPC with Six Sigma or Engineering Process Control (EPC).

Keywords

Main Subjects

Industrial Mathematics

References

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Journal of Applied Research on Industrial Engineering

Statistical Process Control (SPC) method to improve the capability process of drop impact resistance: a case study at aluminum cans manufacturing industry in Indonesia

References

References

Volume 7, Issue 1
March 2020
Pages 92-108

Statistical Process Control (SPC) method to improve the capability process of drop impact resistance: a case study at aluminum cans manufacturing industry in Indonesia

References

References

Volume 7, Issue 1March 2020Pages 92-108

Volume 7, Issue 1
March 2020
Pages 92-108