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Poka Yoke and Portfolios

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by

Carina Gering

on 25 January 2017

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Transcript of Poka Yoke and Portfolios

by Alina van Soest and Carina Gering
Poka Yoke
Portfolios
What is
Poka Yoke
?

What are
Poka Yoke Systems
?

Where do we need
Portfolios
?
What you will learn
Impressions
Poka Yoke and Portfolios
Relevance of portfolios concerning quality management
Main principle of QM: customer focus
Poka Yoke in a nutshell
Developed by Shigeo Shingo (1961)

Poka Yoke Systems
prevention
accidental defect
[mistake-proofing]
How it began
Developed by Shigeo Shingo (1961)
Original title "Baka Yoke"
Change in title to "Poka Yoke"
Source Inspection
Basic principle
human
faulty action
(cause)

defect
(consequence)
Time
Oven was not turned off
Fire breaks out
P
D
Automatic disconnection in case of overheat
Indicator lamp lights up
No oil level check
P
D
Engine damage
Indicator lamp lights up
Starting the car is not possible with too little oil
Transfering a high amount of data in a clear way
Facing several objectives, e.g. current situations, processes, products, developmental possibilites
Graphical assistance for decision-making
Evaluating the relevance
Comparison of objectives with the help of differenct criteria in
one portfolio
Graphical illustration simplifies the evaluation and decision-making
Do you remember?
BCG Growth-Share Market
Check out
Sources
Questions?
Pick-to-light




Poka Yoke is nearly everywhere!
Poka Yoke System?
"Errors are occurring while the process of production. Inspections and testing only can ensure to find the origin of an error."
-- Shigeo Shingo
Source Inspection
Poka Yoke Mechanisms
Hard
Soft
colours
checklist
hoot
buzzer
radiance
detect mistakes
prevent mistakes
sizes
process inspection
with disconnection
tape stopp
identical material
tight fit
Poka Yoke Systems
Inspection method (
Check an error)

are working in interrelation with the Source Inspection
and continuous improvement
are including always three main mechanism:
Where and how we can identify an error?
How you can recognize a faulty action?
Release mechanism
(Indentify mistakes)
How can the employee get the information about an error?
Regulation method (Avoidance of severity)
Check the source
Check an error
Self Control
Contact Method

Constant-Value-Method
Step Sequence Method
Identify mistakes
Avoidance of severity
Intervention Method
Warning Method
... detects mistakes before they become defects ...
Can be underlined by a portfolio
Due to mechanical devices, mistakes can be detected by flashing lights!
Problem: very costly!

Recommendation: to use it in complicated situations
would offend against the basic principle of Poka Yoke (Preventing and Detecting mistakes)
Technique was developed from lean manufacturing
Tries to prevent and avoid mistakes; often with mechanical pre-caution

Aim: making processes or products so reliable that they cannot fail
Poka Yoke Systems in a nutshell
"My medicine works, but only if the patient takes it."
-- Shigeo Shingo
http://www.cautos.net/images/books/661/3/index.75.jpg

http://www.awf.de/wp-content/uploads/2014/12/Poka-Yoke-%C3%9Cbersicht.pdf

http://www.vorest-ag.com/docstodown/vorlagen/S_Poka%20Yoke.pdf

https://upload.wikimedia.org/wikipedia/commons/6/6d/Creative_SoundBlaster_Audigy_2_(SB0400)-4.jpg

http://www.check24.de/files/p/2014/7/1/b/5472-sicherheitsgurt.jpg

http://www.web-books.com/eLibrary/Books/B0/B64/IMG/fwk-tanner-fig02_017.jpg

http://ecx.images-amazon.com/images/I/41wE8NPl7pL._SX348_BO1,204,203,200_.jpg

http://www.safelog.de/de/poka-yoke-loesungen/pick-by-lightput-to-light-regal/

http://www.hyundaiboard.de/index.php?page=Attachment&attachmentID=7391&h=5661d64b811cb91c217e94c09e75a3b0daaa43a5

http://img01.lachschon.de/images/133492_DamagwerkeinelangenDinger_1-medium.jpg

https://lean6sigma4all.files.wordpress.com/2014/11/poka-yoke.png

http://arcadiasolutions.com/wp-content/uploads/2014/10/LittleCrowd-poka-yoke.jpg

http://image.slidesharecdn.com/bitepokayoke-090803060153-phpapp01/95/poka-yoke-19-728.jpg?cb=1249279765

http://www.mm4xl.com/help-images/matrix-BCG-brand-portfolio-analysis-management-images/matrix-BCG-brand-portfolio-analysis-management-image-06.gif

http://www.qm-aktuell.com/newsletterarticle.asp?his=2833.2233.7301&id=13683

http://www.picktolightsystems.com/en/picking-products/poka-yoke


weight
Generic tool
Impressions
Do you have an idea where you can find
Poka Yoke
in everyday life?
Time
Costs of error deletion
... the earlier errors are recognized in the
production process, the lower are the costs of
error deletion!
Severity of errors
Relevance of portfolios concerning quality management
occurrence frequency of errors
damage if error occurs
How serious are the defects?
easy to implement
risk of errors
A combination of SI and mistake-proofing devices is the single method which leads to zero defects!
What does it tell us?
Only two dimensions can be observed
Full transcript