Improving a Manufacturing Process Using the 8Ds Method. A Case Study in a Manufacturing Company

Customer satisfaction is a key element for survival and competitiveness in industrial companies. This paper describes a case study in a manufacturing company that deals with several customer complaints due to defective custom cable assemblies that are integrated in an engine. The goal of this resear...

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Bibliographic Details
Published in:Applied sciences 2020-04, Vol.10 (7), p.2433
Main Authors: Realyvásquez-Vargas, Arturo, Arredondo-Soto, Karina Cecilia, García-Alcaraz, Jorge Luis, Macías, Emilio Jiménez
Format: Article
Language:English
Subjects:
8 disciplines method
Assembly lines
Cables
Case studies
Competitiveness
Complaints
Containment
custom cable assemblies
Customer satisfaction
Customer services
Defective products
Defects
Efficiency
functional test
Functional testing
Literature reviews
Manufacturing
Manufacturing industry
Methods
Motivation
Problem solving
Quality
Six Sigma
Software
Software development tools
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Summary:Customer satisfaction is a key element for survival and competitiveness in industrial companies. This paper describes a case study in a manufacturing company that deals with several customer complaints due to defective custom cable assemblies that are integrated in an engine. The goal of this research is to find a solution to this problem, as well as prevent its recurrence by implementing the eight disciplines (8Ds) method in order to: (1) develop a team, (2) describe the problem, (3) develop an interim containment action, (4) determine and verify root causes, (5) develop permanent corrective actions, (6) define and implement corrective actions, (7) prevent recurrences, and (8) recognize and congratulate teamwork as well as individual contributions. Therefore, a software tool is proposed to conduct a functional test on assembly lines. After the test, the problem was successfully reduced and detected, because from 67 engines that were identified with problems, 51 were redesigned before being sent to customers, consequently decreasing the number of defective products by 75%, whereas the remaining 16 engines were replaced by new engines. In conclusion, the research goal was accomplished, and the 8Ds method proved to be a helpful model with which to increase employees’ motivation and involvement during the problem-solving process.
ISSN:2076-3417
2076-3417
DOI:10.3390/app10072433