Quality Progress - February 2018 - 43

time of the entire process, including core adaptor molding and
ball adaptor molding, was recalculated considering the improved
cooperation between man and machine (see Online Table 5).
This new layout allowed the core adaptor molding process to
start 20 seconds sooner, followed by the ball adaptor molding process. This reduced the wait time from 115 seconds (the
50-second wait time for machine A011 and the 65-second wait
time for machine A012 in the original layout) to only 25 seconds
with a single operator. The operator use increased from 32% to
75%. Moreover, the use of machine A012 also increased from 63%
to 75%, which attributed to the reduction of idle time waiting for
the semi-finished product to warm up.
In addition, the cycle times to produce the core adaptor and
ball adaptor were reduced from 170 seconds (the 75-second
cycle time of machine A011 and the 95-second wait time for
machine A012 in the original layout) to 100 seconds. The cycle
time of machine A012 was reduced from 95 seconds to 80
seconds.

Overall improvement

Integrating the above measurements, machine A012's availability
increased from 80.8% to 83.5% (Online Table 6) and its performance increased from 93% to 107.7% (Online Table 7). As a result,
even if the level of quality is kept the same, the total OEE of
machine A012 increased from 71.4% to 85.5%.
Although the work is dedicated to the OEE of machine A012,
these approaches and measurements can be easily applied to
other machines or different production lines.

Qiuping Yang is a quality manager at
Shanghai Brose Electric Motors Co. in
Shanghai and earned MBAs from Alliance
Manchester Business School in Manchester
and Tongji University in Shanghai. He is an
ASQ student member and an ASQ-certified
quality manager, and a certified quality director and internal
auditor.

Jian Huang is a project management
office director at Huawei Technologies in
Shanghai and earned MBAs from Alliance
Manchester Business School and Tongji
University. He is a certified practicing
accountant and project management
professional.

Qi Pan is a senior talent acquisition
manager at Jabil Technology Co. in
Suzhou, China. She earned MBAs from
Alliance Manchester Business School and
Tongji University.

Jiajie Wang is a marketing manager at
Widex Hearing Aid Co. in Shanghai. He
earned MBAs from Alliance Manchester
Business School and Tongji University.

BIBLIOGRAPHY
Agustin, R.O., and F. Santiago, "Single-Minute Exchange of Die," Advanced
Semiconductor Manufacturing Conference and Workshop, November
1996, pp. 214-217.
REFERENCES
1. Vorne Industries Inc.,"Calculate OEE," https://tinyurl.com/y94pzyc2.
2. Seiichi Nakajima, TPM Tenkai, JIPM, 1982.
3. Kaoru Ishikawa, Guide to Quality Control, JUSE, 1968.
4. Christopher J. Bamber, Pavel Castka, John M. Sharp and Yunus Motara,
"Cross-Functional Team Working for Overall Equipment Effectiveness
(OEE)," Journal of Quality in Maintenance Engineering, Vol. 9, No. 3,
2003, pp. 223-238.
5. Matthias Holweg, "The Genealogy of Lean Production," Journal of
Operations Management, Vol. 25, No. 2, 2007, pp. 420-437.
6. Peter Muchiri and Liliane Pintelon, "Performance Measurement Using
Overall Equipment Effectiveness (OEE): Literature Review and Practical
Application Discussion," International Journal of Production Research,
Vol. 46, No. 13, 2008, pp. 3,517-3,535.
7. Vorne Industries Inc.,"Calculate OEE," see reference 1.
8. Samuel Jebaraj Benjamin, Uthiyakumar Murugaiah, and M.
Srikamaladevi Marathamuthu, "The Use of SMED to Eliminate Small
Stops in a Manufacturing Firm," Journal of Manufacturing Technology
Management, Vol. 24, No. 5, 2013, pp. 792-807.
9. Shigeo Shingo, A Study of the Toyota Production System From an
Industrial Engineering Viewpoint, Productivity Press Inc., 1989.
10. Sunkal Vijaya Kumar, V.G.S. Mani and N. Devraj, "Production Planning
and Process Improvement in an Impeller Manufacturing Using
Scheduling and OEE Techniques," Procedia Materials Science, Vol. 5,
2014, pp.1710-1715.

Haiyun Wang is a procurement manager
at DIA China in Shanghai. He earned MBAs
from Alliance Manchester Business School
and Tongji University.

Ping Xue is a planning and logistic director
at Jolywood (Suzhou) Sunwatt Co. Ltd.
in China. She earned MBAs from Alliance
Manchester Business School and Tongji
University.

Qiang Su is a professor in the department
of management science and engineering
at Tongji University. He earned a doctorate
in mechanical engineering from Xi'an
Jiao Tong University in China. He is an
ASQ senior member, a senior member of
the Institute of Electrical and Electronics
Engineers and the Center for Audit Quality, and a member of the
Production and Operations Management Society.

qualityprogress.com ❘ February 2018

QP 43


https://www.tinyurl.com/y94pzyc2 http://www.qualityprogress.com

Table of Contents for the Digital Edition of Quality Progress - February 2018

Seen and Heard
Expert Answers
Progress Report
Mr. Pareto Head
Career Coach
Office Efficiency
The Crown Jewels of Design
Open Lines
Less Is More
ASQ 2018 Six Sigma Resource Guide
Standard Issues
Six Sigma Solutions
Statistics Spotlight
Marketplace
Footnotes
Try This Today
Quality Progress - February 2018 - intro
Quality Progress - February 2018 - cover1
Quality Progress - February 2018 - cover2
Quality Progress - February 2018 - 1
Quality Progress - February 2018 - 2
Quality Progress - February 2018 - 3
Quality Progress - February 2018 - 4
Quality Progress - February 2018 - 5
Quality Progress - February 2018 - Seen and Heard
Quality Progress - February 2018 - 7
Quality Progress - February 2018 - Expert Answers
Quality Progress - February 2018 - 9
Quality Progress - February 2018 - Progress Report
Quality Progress - February 2018 - 11
Quality Progress - February 2018 - Mr. Pareto Head
Quality Progress - February 2018 - 13
Quality Progress - February 2018 - Career Coach
Quality Progress - February 2018 - 15
Quality Progress - February 2018 - Office Efficiency
Quality Progress - February 2018 - 17
Quality Progress - February 2018 - 18
Quality Progress - February 2018 - 19
Quality Progress - February 2018 - 20
Quality Progress - February 2018 - 21
Quality Progress - February 2018 - The Crown Jewels of Design
Quality Progress - February 2018 - 23
Quality Progress - February 2018 - 24
Quality Progress - February 2018 - 25
Quality Progress - February 2018 - 26
Quality Progress - February 2018 - 27
Quality Progress - February 2018 - 28
Quality Progress - February 2018 - 29
Quality Progress - February 2018 - Open Lines
Quality Progress - February 2018 - 31
Quality Progress - February 2018 - 32
Quality Progress - February 2018 - 33
Quality Progress - February 2018 - 34
Quality Progress - February 2018 - 35
Quality Progress - February 2018 - 36
Quality Progress - February 2018 - 37
Quality Progress - February 2018 - Less Is More
Quality Progress - February 2018 - 39
Quality Progress - February 2018 - 40
Quality Progress - February 2018 - 41
Quality Progress - February 2018 - 42
Quality Progress - February 2018 - 43
Quality Progress - February 2018 - ASQ 2018 Six Sigma Resource Guide
Quality Progress - February 2018 - 45
Quality Progress - February 2018 - Standard Issues
Quality Progress - February 2018 - 47
Quality Progress - February 2018 - 48
Quality Progress - February 2018 - 49
Quality Progress - February 2018 - Six Sigma Solutions
Quality Progress - February 2018 - 51
Quality Progress - February 2018 - 52
Quality Progress - February 2018 - Statistics Spotlight
Quality Progress - February 2018 - 54
Quality Progress - February 2018 - 55
Quality Progress - February 2018 - 56
Quality Progress - February 2018 - 57
Quality Progress - February 2018 - Marketplace
Quality Progress - February 2018 - 59
Quality Progress - February 2018 - Footnotes
Quality Progress - February 2018 - 61
Quality Progress - February 2018 - 62
Quality Progress - February 2018 - 63
Quality Progress - February 2018 - Try This Today
Quality Progress - February 2018 - cover3
Quality Progress - February 2018 - cover4
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