MINISTRY OF EDUCATION
HO CHI MINH UNIVERSITY OF TECHNOLOGY AND EDUCATION
FACULTY OF ECONOMICS

GRADUATION THESIS
APPLYING THE 8D METHOD - ENHANCING QUALITY
CONTROL EFFECTIVENESS IN THE LOOPLINE AT HCP
FACTORY OF BOSCH VIETNAM CO., LTD.
Student

: Bui Nhu Ngoc

Student ID

: 20124386

Course

: 2020

Major

: Industrial Management

Instructor

: MBA. Truong Van Nam

Ho Chi Minh City, November 2023
1

COMMENTS OF ADVISOR

...

...
iversity Press.
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Ke Publisher
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organization of production. PhD Interdisciplinary Journal, 4(1), 127- 133
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risk of an event with multiple causes. Management research and practice, 2(1), 1-20.
11. Lestyánszka Škůrková, K., Fidlerová, H., Niciejewska, M., &amp Idzikowski, A. (2023).
Quality Improvement of the Forging Process Using Pareto Analysis and 8D
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12. Alexa, V., &amp Kiss, I. (2016). Complaint analysis using 8D method within the
companies in the field of automotive. Analecta Technica Szegedinensia, 10(1), 16-21.
13. Olivier Serrat. (2009). The Five Whys Technique. Washington, DC: Asian
Development Bank.
14. Zdenko Tkác, Štefan Pogran, Jozef Žarnovský, Katarína Kollárová. (2013).
Materials, Technologies and Quality Assurance. Trans Tech Publications Ltd,
Switzerland

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15. Marjanca Krajnc (2012). With 8D method to excellent quality. Danfoss Trata, Ulica
Jožeta Jame 16, Ljubljana, Slovenia
16. Sarah E. Burke and Rachel T. Silvestrini. (2017). The Certified Quality Engineer
Handbook. ASQ Quality PressMilwaukee, Wisconsin
17. Bosch introduction (2022) Retrieved from https://www.bosch.com.vn/ourcompany/bosch-in-vietnam
18. Nippon Steel. (2019) Retrieved from www.nipponsteel.com
19. Tuan Huynh (2019), Bạn muốn giải quyết vấn đề - Thế vấn đề là gì? Retrieved from
https://vietquality.vn/ban-muon-giai-quyet-van-de-the-van-de-la-gi/

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APPENDIX
Appendix 1: Steel coil inspection criteria
Annealing
Surface finish
Surface treatment
Surface oil
Permissible
thickness
Tolerance
Width tolerance
Thickness
Length x Width

Ủ tiêu chuẩn Standard annealing
Bright Finish
Removing lubricating oil layer
Oil-Free
Permissible Tolerance(± 0.15 mm)
± 0.25 mm
0,12 mm
762x1.829 (m)
(Source: Input Quality Inspection Department)

Appendix 2: Identified Chemical Components
Unit: mm
Chemical Names
Dimensions

C
0.15

Mn
P
S
1
0,1
0,035
(Source: Input Quality Inspection Department)

Appendix 3: Steel Coil Production Process

(Source: Nippon Supplier)

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