Quality Control
Internal audit program planning and implementation determinants of an automotive company's ISO 9001 quality system

Forbes Chiromo; Nomupendulo Nokuthula Msibi

Volume 10, Issue 3 , July 2023, , Pages 492-505


  This single case study examined how key internal audit planning and implementation determinants impacted a South African automotive company's ISO 9001 Quality Management System (QMS) objectives. The study used a mixed method approach; qualitative data nesting in quantitative data. The purposive sampling ...  Read More

Quality Control
Status of quality improvement initiatives in manufacturing industry of madhya pradesh state in India

Chimata Murali Krishna; Satyam Sahu; Mayank Kisnya; Gunwant Mishra; Samyak Jain

Volume 9, Issue 4 , October 2022, , Pages 395-408


  The objectives of this work are to investigate the status of implementation of quality initiatives by manufacturing firms in Madhya Pradesh, India, and to compare large and small-medium scale industries. Very few researchers have attempted to compare large scale and small-medium scale firms in order ...  Read More

Quality Control
Revisiting the one-sided EWMA control chart

Duy Duong-Tran; Romina Dastoorian; Lee Wells

Volume 9, Issue 2 , June 2022, , Pages 151-164


  Exponential Weighted Moving Average (EWMA) control charts have been widely used in Statistical Process Control (SPC) to detect small and persistent process shifts. In theory, EWMA control limits monotonically increase over time to account for the continual growth of the EWMA statistic’s variance. ...  Read More

Quality Control
Developed reverse logistic airline service quality (RL AIRQUAL) model for reverse support service quality gaps analysis in air industry

Nazila Adabavzeh; Mehrdad Nikbakht

Volume 9, Issue 1 , March 2022, , Pages 95-107


  The airline industry plays a fundamental role in the economic and social development of societies and it also has an important impact on improving foreign trade. The airline industry is one of the main infrastructures for sustainable development of the country. The quality of the reverse engineering ...  Read More

Quality Control
Implementation of the quality control circle for improvement of painting production in PT QWE

Hernadewita Hernadewita; Diky Herdiawan; Afriyuddin Afriyuddin; Hermiyetti Hermiyetti

Volume 6, Issue 1 , April 2019, , Pages 16-25


  As one manufacturing industry which has engaged in the textile industry and produced zippers, the painting process at zipped production has a number of problems, as on zipper sticks to each other, uneven paint, etc. In this discussion, the improvements that will be made are related to the painting process.  ...  Read More

Quality Control
Implementation of repairing production machine productivity of spare parts speaker based on OEE value achievement

Surya Perdana; Dana Santoso Saroso

Volume 6, Issue 1 , April 2019, , Pages 26-32


  The industry under study is a company in the field of making Speaker, Megaphone and Amplifier. In this study, the Thoshiba IS 350 GS 350 Ton machine has observed. Constraints such as when producing machine Speaker Parts produce high reject products up to 7% of the total monthly production. When operating ...  Read More

Quality Control
Improvement of magazine production quality using Six Sigma method : case study of a PT.XYZ

Hernadewita Hernadewita; Mahefud Ismail; Mohamad Nurdin; Lien Kusumah

Volume 6, Issue 1 , April 2019, , Pages 71-79


  Quality control is an important thing that must be done by the company to minimize defective products. The company can analyze product defects by using the Six Sigma method, by formulating Define, Measure, Analyze, Improve, and Control (DMAIC) that occurs. PT. XYZ as a large company that prints magazines ...  Read More