Strategos
L e a n
B r i e f i n g
The Newsletter of Lean Manufacturing Strategy
15
January 2011
www.strategosinc.com
Low-Tech
Statistical Process Control
The Psychology of SPC
Statistical Process Control (SPC)
has a mixed reputation. Largely because it is often employed
with little common sense and/or with little understanding of its
psychology. And the psychology of SPC
is often more important than the science.
Many people in manufacturing
incorrectly assume that SPC does not
apply to low-tech situations such as manual assembly,
simple, operator-dominated processes or non-repetitive
processes. This assumption derives from the view that SPC is all
about science and statistics and independent of operators,
attitudes, and human aspects.
SPC works very well in situations
where (seemingly) there is nothing to measure and every defect
is human error. There are several keys to success:
1. Use The Proper Charts
2. Chart Only 2-4 Important
Parameters
3. Keep It Simple
4. Leverage The Psychology
Our web page on
"The
Psychology of SPC" shows an example from my own
experience and illustrates many principles.
...
A special note for our readers in Asia: I will
be presenting a workshop on Effective Warehouse Management in
Beijing and Shanghai this March. If this is a topic of interest,
please consider attending.
Best Regards,
Quarterman Lee
816-931-1414
qlee@lean-briefing.com
Please Forward Lean Briefing To A Colleague
Effective
Warehouse Management
Beijing 7-8 March 2011
Shanghai 10-11 March 2011
Quarterman Lee, Presenter
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